CN102129135A - Touch display device - Google Patents
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- CN102129135A CN102129135A CN2010100007233A CN201010000723A CN102129135A CN 102129135 A CN102129135 A CN 102129135A CN 2010100007233 A CN2010100007233 A CN 2010100007233A CN 201010000723 A CN201010000723 A CN 201010000723A CN 102129135 A CN102129135 A CN 102129135A
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Abstract
The invention discloses a touch display device, which comprises a display device, a touch panel and a transparent shielding layer, wherein the touch panel is arranged on the display device and comprises a substrate and a touch element. The transparent shielding layer is arranged between the display device and the touch element and comprises a peripheral region and a central region, wherein the resistance of the peripheral region is smaller than or equal to the resistance of the central region.
Description
Technical field
The invention relates to a kind of display device, and the touch control display device that particularly disturbs about a kind of electrostatic prevention.
Background technology
Since the contact panel technical development, contact panel has occupied high city and has accounted for rate in consumption electronic product.As seen, be integrated with the product such as communication handset, notebook computer, PDA, digital camera of contact panel in the existing market.
Because contact panel is that it is very easy to produce the electrostatic interference or the problem of external noise, directly or indirectly has influence on the electronic operation signal of other electronic components in the product by finger or pointer operation.For instance, general contact panel can be applicable in the liquid crystal indicator, and when producing the static discharge phenomenon, static might import in the liquid crystal panel by the common electrode (Vcom) of liquid crystal indicator, causes the picture demonstration bad even damage drive IC.The common electrode of liquid crystal indicator is an AC driving in addition, more easily produces the noise effect contact panel thereby produces the situation of misoperation, and the user can't be operated accurately, and this is real in being worth discussion and problem demanding prompt solution.
Summary of the invention
The present invention utilizes transparent screen layer low resistivity materials together about the touch control display device that a kind of electrostatic prevention disturbs, and static or noise can not entered in the display device, solves the problem of electrostatic interference and noise whereby.
According to an aspect of the present invention, propose the touch control display device that a kind of electrostatic prevention disturbs, comprise display device, contact panel and transparent screen layer, wherein contact panel is arranged on the display device, and comprises substrate and touch control component.Transparent screen layer is arranged between display device and the touch control component, and comprises peripheral edge margin and central area, and wherein the resistance of peripheral edge margin is smaller or equal to the resistance of central area.
According to a further aspect in the invention, also comprise the low resistivity materials layer that is arranged on transparent screen layer peripheral edge margin, and be connected altogether with transparent screen layer.
For foregoing of the present invention can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below:
Description of drawings
Fig. 1 is the synoptic diagram according to the touch control display device of a kind of electrostatic prevention interference of the preferred embodiment of the present invention.
Fig. 2 also comprises the synoptic diagram of transparent overlay for Fig. 1 touch control display device.
Fig. 3 is the synoptic diagram of another example of Fig. 2 touch control display device.
Fig. 4 is the synoptic diagram of the touch control component of contact panel.
Fig. 5 A, Fig. 5 B, Fig. 5 C, Fig. 6 A, Fig. 6 B be respectively contact panel first, second, third and fourth, the synoptic diagram of five kinds of single layer of substrate material design.
Fig. 7 A, Fig. 7 B are the synoptic diagram of the double-deck base material design of first and second kind of contact panel.
The main element symbol description
1: touch control display device 116,250: insulation course
10: contact panel 116a: contact hole
12: active array base plate 118: protective seam
14: transparent screen layer 124,126: lead
16: low resistivity materials layer 128: flexible circuit board
18: 210: the first base materials of flatness layer
20: 220: the second base materials of chromatic filter layer
22: liquid crystal layer 230: sept
24: common electrode 240: optical cement
26,28: polaroid 11: transparent overlay
110: the first sensing electrodes
112: the first region piece
120: the second sensing electrodes
122: the second electrode blocks
130: base material
Embodiment
Present embodiment proposes the touch control display device that a kind of electrostatic prevention disturbs, and it comprises contact panel and the display device that be arranged in parallel.Be provided with transparent screen layer between contact panel and the display device, and be provided with the Low ESR material that connects commonly, make touch control display device except possessing demonstration, touch control operation, more promote and suppress noise and electrostatic protection effect at transparent screen layer periphery.
Please refer to Fig. 1, it is the synoptic diagram according to the touch control display device of a kind of electrostatic prevention interference of the preferred embodiment of the present invention.As shown in Figure 1, touch control display device 1 comprises a contact panel 10, an active array base plate 12, one transparent screen layer 14 and a low resistivity materials layer 16.Active array base plate 12 parallel contact panels 10 are provided with, and it for example is a thin-film transistor array base-plate.Contact panel 10 is a capacitance type touch-control panel, comprises a substrate and touch control component disposed thereon, and its thin portion structural design will be afterwards with reference to description of drawings.
If whole transparent screen layer 14 that is made of tin indium oxide only is set, it has often reduced the effect of shielding because of impedance is too high, therefore, metal material is set and during the low resistivity materials layer 16 that connects altogether, can strengthens the antistatic capacity of single transparent screen layer 14 in the lower periphery of transparent screen layer 14.In addition, on transparent screen layer 14, also can reach identical effect smaller or equal to the design of central area resistance in another embodiment by the peripheral edge margin resistance.
Touch control display device 1 also comprises a flatness layer 18, and its whole covers transparent screen layer 14 and low resistivity materials layer 16, protecting this double-layer structure, and makes the body structure surface planarization, is more conducive to the setting of other layers structure.
The touch control display device 1 of present embodiment can be monochromatic display device or the colour display device that utilizes lcd technology.Preferably, touch control display device 1 also comprises a chromatic filter layer 20 and a liquid crystal layer 22.Chromatic filter layer 20 can be arranged between contact panel 10 and the active array base plate 12, and liquid crystal layer 22 then can be arranged between active array base plate 12 and the chromatic filter layer 20.With the structure of present embodiment, preferably, chromatic filter layer 20 is arranged between contact panel 10 and the transparent screen layer 14, and liquid crystal layer 22 then is arranged between flatness layer 18 and the active array base plate 12.In the present embodiment, chromatic filter layer 20 also can be directly and the base material of contact panel 10 combine, to reduce integrally-built thickness.
Touch control display device 1 also comprises community electrode 24, and it is arranged on the lower surface of flatness layer 18, and connects active array base plate 12.Because 16 on transparent screen layer 14 and low resistivity materials layer are above common electrode 24, its static or external noise that prevents that touch control component produced on the contact panel 10 enters in the active array base plate 12 by common electrode 24, makes static or external noise can't disturb electronic signal on drive IC (not shown) or the active array base plate 12.In addition, touch control display device 1 also comprises two polaroids 26,28, and wherein, polaroid 26 is attached to contact panel 10 upper surfaces, and 28 of polaroids are attached to active array base plate 12 lower surfaces.
And please refer to Fig. 2, it also comprises the synoptic diagram of transparent overlay (Cover lens) for Fig. 1 touch control display device.As shown in Figure 2, transparent overlay 11 is arranged between polaroid 26 and the chromatic filter layer 20, and is the base material of contact panel 10, and material can be the material that glass, acryl or engineering plastics etc. have characteristics such as high strength, scratch resistance, high printing opacity.
In fact shown in Figure 2 each layer structure can be provided with demand according to device and have other different configurations with processing procedure.Please refer to Fig. 3, it is the synoptic diagram of another example of Fig. 2 touch control display device.As shown in Figure 3, flatness layer 18 is arranged on the lower surface of contact panel 10, low resistivity materials layer 16 and transparent screen layer 14 are arranged on the lower surface of flatness layer 18, then, chromatic filter layer 20 and common 24 lower surfaces that are arranged on transparent screen layer 14 in regular turn of electrode, other are then constant with the position of polaroid 28 as liquid crystal layer 22, active array base plate 12.Because still between the touch control component of common electrode 24 and contact panel 10, the structure of this device also can be avoided the problem of static, noise for transparent screen layer 14 and low resistivity materials layer 16.
Below be further described at the contact panel 10 of present embodiment.The contact panel 10 of present embodiment can be the structural design of single layer of substrate material or double-deck base material in fact, will distinguish explanation with reference to the accompanying drawings.
Please refer to Fig. 4, it is the synoptic diagram of the touch control component of contact panel.As shown in Figure 4, touch control component comprises a plurality of first sensing electrodes 110 and a plurality of second sensing electrodes 120.First sensing electrode 110 is parallel to each other and uniformly-spaced, and extends along first direction (as the Y direction of accompanying drawing) separately.Second sensing electrode 120 is parallel to each other and uniformly-spaced is provided with, and extends along the second direction (as the directions X of accompanying drawing) of vertical first direction separately.Each first sensing electrode 110 comprises that a plurality of continuous the first region piece 112, the second sensing electrodes 120 comprise a plurality of second continuous electrode blocks 122.The first region piece 112 and the second electrode block 122 can be arbitrary shape, and as square, rectangle, rhombus, triangle, polygon, circle, ellipse etc., present embodiment is that the electrode block with rhombus is an example.
As shown in Figure 4, the first region piece 112 and the second electrode block 122 are interconnected, with X and the Building Y mark in the single position of definition.When first sensing electrode 110 and second sensing electrode 120 are arranged on the single layer of substrate material (as Fig. 1 and shown in Figure 3), the plotted point C of insulating material at the two can be set, make wherein that a sensing electrode is connected across on another sensing electrode, to avoid first sensing electrode 110 and 120 short circuits of second sensing electrode.In addition, first sensing electrode 110 and second sensing electrode 120 also can be arranged on (as shown in Figure 2) on the double-deck base material, and this kind design promptly need not be considered the short circuit problem of plotted point C.Below lift the structural design of numerical example explanation contact panel 10.
Each layer structure with the cross sectional illustration contact panel 10 of Fig. 4 centre-exchange-meeting point C.Please refer to Fig. 5 A, it is the synoptic diagram of first kind of single layer of substrate material design of contact panel.First sensing electrode 110 and second sensing electrode 120 are arranged on the same base material 130.Shown in Fig. 5 A, be coated with insulation course 116 on first sensing electrode 110,122 of second electrode blocks of first sensing electrode, 110 both sides are connected across on first sensing electrode 110 to constitute the structure of an island type bridge joint (bridge island) by the lead 124 that is arranged on the insulation course 116, thus, all second electrode blocks 122 of second sensing electrode 120 are coupled together, also avoided problem of short-circuit simultaneously.
In addition, the second electrode block 122 also can be connected to the external circuit board by other leads 126, for example is flexible circuit board 128.The material of lead 124,126 can be metal or transparent conductive material, as tin indium oxide.At last, cover structures such as first sensing electrode 110, second sensing electrode 120 and lead 124,126 again with a protective seam 118.14 of the transparent screen layers of tool antistatic protection function can be arranged on the base material 130 in contrast to the side of first sensing electrode 110 and second sensing electrode 120, for example are the lower surfaces of base material 130.The chromatic filter layer 20 of Fig. 1 can be arranged between base material 130 and the transparent screen layer 14, or directly and base material 130 combine.Elements such as the low resistivity materials layer 16 of Fig. 1, flatness layer 18, common electrode 24, liquid crystal layer 22 and active array base plate 12 then are arranged on the below of transparent screen layer 14.
Please refer to Fig. 5 B, Fig. 5 C, it is the synoptic diagram of second and third kind single layer of substrate material design of contact panel.Insulation course 116 whole faces cover on first sensing electrode 110 and second sensing electrode 120, and have a plurality of contact hole 116a.These contact holes 116a exposes the local surfaces of the second electrode block 122, lead 124 extends among the contact hole 116a, and connects the second electrode block 122, wherein, the only local filling contact hole 116a of lead 124 (seeing Fig. 5 B), or fill up contact hole 116a (seeing Fig. 5 C) fully.118 of protective seams cover structures such as first sensing electrode 110, second sensing electrode 120 and lead 124.
Please refer to Fig. 6 A, Fig. 6 B, it is the synoptic diagram of fourth, fifth kind of single layer of substrate material design of contact panel.Lead 124 also can be provided with otherwise connection electrode block except the mode connection electrode block with above-mentioned island type bridge joint and contact hole.As shown in Figure 6A, lead 124 is embedded on the base material 130, and wherein, lead 124 is to be set directly on the base material 130, covers lead 124 with insulation course 116 parts again.First sensing electrode 110 is arranged on the insulation course 116, by insulation course 116 to separate with lead 124.Second sensing electrode, 120 parts are arranged on the insulation course 116, and its second electrode block 122 is connected to lead 124 and is not insulated the part that layer 116 covers, and all second electrode blocks 122 of second sensing electrode 120 are coupled together.Cover structures such as first sensing electrode 110, second sensing electrode 120 at last again with protective seam 118.
Shown in Fig. 6 B, insulation course 116 also can cover lead 124 and base material 130 by whole face.Insulation course 116 has contact hole 116a, wherein, and the local surfaces of contact hole 116a exposed leads 124.The second electrode block 122 of first sensing electrode, 110 both sides extends among the contact hole 116a, and connects lead 124, so can make all the second electrode block, 122 total polyphones of second sensing electrode 120.
The structural design of the double-deck base material of contact panel 10 tools below is described.Please refer to Fig. 7 A, Fig. 7 B, it is the synoptic diagram of the double-deck base material design of first and second kind of contact panel.Contact panel 10 has first base material 210 and second base material 220 that be arranged in parallel, and wherein, first sensing electrode 110 is arranged on first base material 210, and second sensing electrode 120 is arranged on second base material 220.Shown in Fig. 5 A, first sensing electrode 110 and second sensing electrode 120 are that subtend is arranged between first base material 210 and second base material 220, that is, the electrode pattern of first sensing electrode 110 and second sensing electrode 120 is to be provided with face-to-face, and transparent screen layer 14 then is arranged on the outside of first base material 210 (or second base material 220).Contact panel 10 also has sept 230, in order to keep distance between first base material 210 and second base material 220.Also can be coated with one deck optical cement 240 between first base material 210 and second base material 220 so that two base materials are fixed up.
Shown in Fig. 7 B, first sensing electrode 110 and second sensing electrode 120 are to be provided with in the same way, and for example, first sensing electrode 110 is arranged on the lower surface of first base material 210, and second sensing electrode 120 is arranged on the lower surface of second base material 220, and the position is between first base material 210 and second base material 220.Because first sensing electrode 110 is positioned at the outside of first base material 210, preferably, cover and protect first sensing electrode 110 with 250 whole of insulation courses.Transparent screen layer 14 can be arranged on the homonymy of first base material 210 with first sensing electrode 110, and directly with insulation course 250 the two is separated.
Contact panel 10 designs among the above-mentioned Fig. 5 of being disclosed in A to Fig. 7 B all can be applicable in the touch control display device 1 of Fig. 1, or other electronic installations, in the device as tool touch control operations such as communication handset, personal digital assistant, guiders, to solve the problem of electrostatic interference.Especially the disclosed touch control display device of present embodiment is provided with the common ground becket of transparent screen layer and Low ESR material formation, more strengthened the ability of squelch and electrostatic defending, and the misoperation that the interference of effectively avoiding electronic signal in contact panel and the display device causes makes product performance more excellent.
In sum, though the present invention with preferred embodiment openly as above, so it is not in order to limit the present invention.The persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (10)
1. touch control display device comprises:
One display device;
One contact panel is arranged on this display device, and comprises:
One substrate; And
One touch control component is arranged on this substrate; And
One transparent screen layer is arranged between this display device and this touch control component, and comprises a peripheral edge margin and a central area, and wherein the resistance of this peripheral edge margin is smaller or equal to the resistance of this central area.
2. touch control display device according to claim 1 also comprises a low resistivity materials layer, is arranged on this peripheral edge margin of this transparent screen layer, and is connected to this transparent screen layer altogether.
3. touch control display device according to claim 2, wherein this display device is a liquid crystal indicator, this liquid crystal indicator comprises:
One active array base plate;
One chromatic filter layer, parallel this active array base plate is provided with;
One liquid crystal layer is configured between this active array base plate and this chromatic filter layer; And
Community electrode is configured on this liquid crystal layer.
4. touch control display device according to claim 3, wherein this transparent screen layer and this low resistivity materials layer are configured in the one side of this chromatic filter layer towards this active array base plate.
5. touch control display device according to claim 3, wherein this transparent screen layer and this low resistivity materials layer are configured in the one side of this chromatic filter layer away from this active array base plate.
6. touch control display device according to claim 3, wherein this substrate is a transparent overlay, wherein this touch control component is configured on this transparent overlay.
7. touch control display device according to claim 2, wherein the material of this low resistivity materials layer is a metal.
8. touch control display device according to claim 3, wherein this touch control component comprises:
A plurality of first sensing electrodes are arranged on this chromatic filter layer along a first direction;
A plurality of second sensing electrodes are arranged on this chromatic filter layer along a second direction, wherein vertical this first direction of this second direction; And
One insulation course is arranged between those first sensing electrodes and those second sensing electrodes.
9. touch control display device according to claim 6, wherein this touch control component comprises:
A plurality of first sensing electrodes are arranged on this chromatic filter layer along a first direction; And
A plurality of second sensing electrodes are arranged on this transparent overlay along a second direction, wherein vertical this first direction of this second direction.
10. touch control display device according to claim 6, wherein this touch control component comprises:
A plurality of first sensing electrodes are arranged on this transparent overlay along a first direction;
A plurality of second sensing electrodes are arranged on this transparent overlay along a second direction, wherein vertical this first direction of this second direction; And
One insulation course is arranged between those first sensing electrodes and those second sensing electrodes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100007233A CN102129135A (en) | 2010-01-15 | 2010-01-15 | Touch display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100007233A CN102129135A (en) | 2010-01-15 | 2010-01-15 | Touch display device |
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| Publication Number | Publication Date |
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| CN102129135A true CN102129135A (en) | 2011-07-20 |
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| CN2010100007233A Pending CN102129135A (en) | 2010-01-15 | 2010-01-15 | Touch display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102830849A (en) * | 2012-09-07 | 2012-12-19 | 京东方科技集团股份有限公司 | Touch liquid crystal display device, touch liquid crystal display panel and colorful membrane substrate |
| CN102999199A (en) * | 2011-09-16 | 2013-03-27 | 宸鸿科技(厦门)有限公司 | Touch sensing device and electronic device |
| CN103092379A (en) * | 2011-11-02 | 2013-05-08 | 群康科技(深圳)有限公司 | Manufacturing method for image display system and touch sensing device |
| CN103164080A (en) * | 2011-12-19 | 2013-06-19 | 胜华科技股份有限公司 | Touch panel with electrostatic protection structure |
| CN103164056A (en) * | 2011-12-08 | 2013-06-19 | 群康科技(深圳)有限公司 | Touch control panel, formation method thereof and display system |
| CN103246095A (en) * | 2012-02-08 | 2013-08-14 | 东莞万士达液晶显示器有限公司 | Liquid crystal display panel and touch display device using same |
| CN103294239A (en) * | 2012-03-02 | 2013-09-11 | 东莞万士达液晶显示器有限公司 | Touch panel |
| CN103309539A (en) * | 2013-06-20 | 2013-09-18 | 深圳南玻伟光导电膜有限公司 | Capacitive touch screen provided with in OGS structure and fabrication method of capacitive touch screen |
| WO2013170703A1 (en) * | 2012-05-16 | 2013-11-21 | 宸鸿科技(厦门)有限公司 | Touch panel and fabrication method therefor |
| WO2015180421A1 (en) * | 2014-05-30 | 2015-12-03 | 京东方科技集团股份有限公司 | Touch display panel, manufacturing method therefor, and touch display device |
| US9535528B2 (en) | 2011-11-02 | 2017-01-03 | Innocom Technology (Shenzhen) Co., Ltd. | Systems for displaying images |
| CN107153296A (en) * | 2017-07-19 | 2017-09-12 | 武汉华星光电技术有限公司 | Display panel and preparation method thereof, display |
| CN107367863A (en) * | 2017-08-29 | 2017-11-21 | 武汉华星光电技术有限公司 | Liquid crystal display panel Electro-static Driven Comb structure, liquid crystal display panel and liquid crystal display |
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- 2010-01-15 CN CN2010100007233A patent/CN102129135A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102999199A (en) * | 2011-09-16 | 2013-03-27 | 宸鸿科技(厦门)有限公司 | Touch sensing device and electronic device |
| CN102999199B (en) * | 2011-09-16 | 2016-08-10 | 宸鸿科技(厦门)有限公司 | Touch sensing device and electronic installation |
| CN103092379B (en) * | 2011-11-02 | 2016-05-25 | 群康科技(深圳)有限公司 | The manufacture method of image display system and touch sensing device |
| CN103092379A (en) * | 2011-11-02 | 2013-05-08 | 群康科技(深圳)有限公司 | Manufacturing method for image display system and touch sensing device |
| US9535528B2 (en) | 2011-11-02 | 2017-01-03 | Innocom Technology (Shenzhen) Co., Ltd. | Systems for displaying images |
| CN103164056A (en) * | 2011-12-08 | 2013-06-19 | 群康科技(深圳)有限公司 | Touch control panel, formation method thereof and display system |
| CN103164080A (en) * | 2011-12-19 | 2013-06-19 | 胜华科技股份有限公司 | Touch panel with electrostatic protection structure |
| CN103246095A (en) * | 2012-02-08 | 2013-08-14 | 东莞万士达液晶显示器有限公司 | Liquid crystal display panel and touch display device using same |
| CN103294239A (en) * | 2012-03-02 | 2013-09-11 | 东莞万士达液晶显示器有限公司 | Touch panel |
| WO2013170703A1 (en) * | 2012-05-16 | 2013-11-21 | 宸鸿科技(厦门)有限公司 | Touch panel and fabrication method therefor |
| CN102830849A (en) * | 2012-09-07 | 2012-12-19 | 京东方科技集团股份有限公司 | Touch liquid crystal display device, touch liquid crystal display panel and colorful membrane substrate |
| CN103309539A (en) * | 2013-06-20 | 2013-09-18 | 深圳南玻伟光导电膜有限公司 | Capacitive touch screen provided with in OGS structure and fabrication method of capacitive touch screen |
| WO2015180421A1 (en) * | 2014-05-30 | 2015-12-03 | 京东方科技集团股份有限公司 | Touch display panel, manufacturing method therefor, and touch display device |
| CN107153296A (en) * | 2017-07-19 | 2017-09-12 | 武汉华星光电技术有限公司 | Display panel and preparation method thereof, display |
| CN107367863A (en) * | 2017-08-29 | 2017-11-21 | 武汉华星光电技术有限公司 | Liquid crystal display panel Electro-static Driven Comb structure, liquid crystal display panel and liquid crystal display |
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Application publication date: 20110720 |