CN104516614A - Touch device - Google Patents
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- CN104516614A CN104516614A CN201310443494.6A CN201310443494A CN104516614A CN 104516614 A CN104516614 A CN 104516614A CN 201310443494 A CN201310443494 A CN 201310443494A CN 104516614 A CN104516614 A CN 104516614A
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- conductive layer
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- contactor control
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a touch device. The touch device comprises a first conductive layer and a second conductive layer, wherein the first conductive layer and the second conductive layer are insulated from each other to form a capacitive touch sensing structure; the touch device also comprises a resistance reduction layer which is electrically connected with the first conductive layer; equivalent resistance formed by electrically connecting the resistance reduction layer with the first conductive layer is smaller than the resistance of the first conductive layer. The touch device is easier to drive than a single touch sensing electrode through the structure that the resistance reduction layer is electrically connected with the first conductive layer, so the response speed and the touch flexibility of the touch device are quickened.
Description
Technical field
The present invention relates to a kind of contactor control device, especially a kind of touch-control liquid crystal display panel.
Background technology
Along with the development of human-computer interaction interface, contactor control device, especially touch control display panel becomes more and more popular now.For realizing light, the thinning of contactor control device, existing very popular touch controllable function to be integrated in display panels or in organic electroluminescence panel.But under the background that panel resolution is more and more higher, touch control electrode will become more and more difficult and drive, and affect the touch-control sensitivity of contactor control device.
Summary of the invention
In view of this, be necessary to provide a kind of contactor control device.This contactor control device comprises the first conductive layer and the second conductive layer, described first conductive layer and the second conductive layer mutually insulated and form capacitive touch-sensing structure.Described contactor control device also comprise be electrically connected with described first conductive layer resistance layer is fallen, described in come down to a lower group layer and described first conductive layer be electrically connected the resistance that the equivalent resistance formed is less than described first conductive layer.
Compared with prior art, contactor control device provided by the present invention makes described contactor control device be more prone to drive than simple use touch-control sensing electrode by the structure of falling resistance layer and the first conductive layer and being electrically connected, and accelerates response speed and the touch-control sensitivity of described contactor control device with this.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of the contactor control device that the specific embodiment of the invention provides.
Fig. 2 is the diagrammatic cross-section of contactor control device first embodiment of the present invention.
Fig. 3 is the planar structure schematic diagram of metal level distribution on touch-control carry electrode in the array base palte shown in Fig. 2.
Fig. 4 is the planar structure schematic diagram of the another embodiment of metal level distribution on touch-control carry electrode in the array base palte shown in Fig. 2.
Fig. 5 is the diagrammatic cross-section of contactor control device second embodiment of the present invention.
Fig. 6 is the diagrammatic cross-section of contactor control device of the present invention 3rd embodiment.
Main element symbol description
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1, the contactor control device 1000 that the specific embodiment of the invention provides comprises display panel 1, touch-control sensing structure 2 and falls resistance layer 3.
Specifically, described display panel 1 comprises first substrate 11, second substrate 12 and liquid crystal layer 13.Described first substrate 11 is oppositely arranged with described second substrate 12.Described liquid crystal layer 13 is sandwiched between described first substrate 11 and second substrate 12.Wherein, described first substrate 11 comprises the first substrate 1101, raster data model line 1102 and source drive line 1103.Described raster data model line 1102 and source drive line 1103 are arranged in described first substrate 1101, and interlaced and insulation is arranged.Described display panel 1 also comprise multiple printing opacity for showing the pixel cell 1104 of image and the alternatively non-transparent district A between adjacent two pixel cells 1104.Described pixel cell 1104 is positioned at the intersection of described raster data model line 1102 and source drive line 1103.Described second substrate 12 comprises the second substrate 1201.
Described touch-control sensing structure 2 comprises the first conductive layer 21 and the second conductive layer 22.Described first conductive layer 21 is arranged in described first substrate 1101, and is positioned at described raster data model line 1102 with source drive line 1103 near the side of described liquid crystal layer 13.Described second conductive layer 22 is arranged in described second substrate 1201, and is positioned at the side of described second substrate 1201 away from described liquid crystal layer 13.Described second conductive layer 22 and the first conductive layer 21 mutually insulated and form capacitive touch-sensing structure as touch control electrode, when a finger touches on described contactor control device 1000, electric capacity between this finger described second conductive layer 22 of impact and the first conductive layer 21, and detect the position of touch by this.Described first conductive layer 21 comprises multiple touch-control sensing electrode 211, and described second conductive layer 22 comprises multiple touch-control sensing electrode 221.
Described resistance layer 3 of falling directly is covered on described first conductive layer 21, and is electrically connected with described first conductive layer 21.Described resistance layer 3 of falling comprises corresponding the falling of multiple and described touch-control sensing electrode 211 and hinders unit 31.Described resistance unit 31 correspondence of falling is distributed in described alternatively non-transparent district A.On the direction perpendicular to described first substrate 11, described in fall resistance unit 31 position just to described raster data model line 1102.The object of such design is the aperture opening ratio not affecting this display panel 1.
Refer to Fig. 2, Fig. 2 is the diagrammatic cross-section (wherein said section can be comprise stepped cross-section) of contactor control device 1,000 first embodiment of the present invention.Described first substrate 11 also comprises thin film transistor (TFT) 1105, passivation layer 1106 and pixel electrode 1107.Described thin film transistor (TFT) 1105 is arranged in described first substrate 1101.Described passivation layer 1106 covers this thin film transistor (TFT) 1105.Described first conductive layer 21 insulate with this thin film transistor (TFT) 1105 and arranges.Described pixel electrode 1107 insulate with this first conductive layer 21 and arranges.
In present embodiment, described second substrate 12 comprises black matrix 1202 and chromatic filter layer 1203, and described black matrix 1202 and chromatic filter layer 1203 form the colored filter of described contactor control device 1000 jointly.Wherein, described chromatic filter layer 1203 can comprise the red filter unit R at interval, green filter unit G and blue filter unit B.
Further, described black matrix 1202 and described chromatic filter layer 1203 are arranged at contiguous described liquid crystal layer 13 side of described second substrate 1201, and described red filter unit R, green filter unit G and blue filter unit B are arranged at intervals between adjacent black matrix 1202.Dielectric layer between described second conductive layer 22 and described first conductive layer 21 at least comprises described black matrix 1202, chromatic filter layer 1203 and liquid crystal layer 13.
In the present embodiment, described display panel 1 can be plane electric fields switch type (In-Plane Switching, IPS) display panels or fringe field switch type (Fringing Field Switching, FFS) display panels.Described first conductive layer 21 as the public electrode of described display panel 1, can also coordinate described pixel electrode 1107 to produce the electric field being basically parallel to described first substrate 11 and planar rotates to drive the liquid crystal molecule 1301 of liquid crystal layer 13.
Described first conductive layer 21 is arranged on described passivation layer 1106, described in fall resistance layer 3 and be arranged at side away from described passivation layer 1106 on described first conductive layer 21.Each touch-control sensing electrode 211 on described first conductive layer 21 at least falls with described of falling in resistance layer 3 and hinders unit 31 and be electrically connected.
Described display panel 1 also comprises insulation course 1108, and described insulation course 1108 is covered in described first conductive layer 21 and falls in resistance layer 3.Described pixel electrode 1107 is arranged on described insulation course 1108.Described passivation layer 1106 offers the via 1116 running through described passivation layer 1106, and described first substrate 11 also comprises and is arranged on described passivation layer 1106 and connects the conductive part 1111 of described thin film transistor (TFT) 1105 via described via 1116.Described conductive part 1111 and described first conductive layer 21 interval are arranged.Described insulation course 1108 comprises the via 1117 running through described insulation course 1108, and described pixel electrode 1107 is electrically connected described conductive part 1111 to be electrically connected with described thin film transistor (TFT) 1105 via described via 1117.
Wherein, described first conductive layer 21 can be transparent conductive material, such as tin indium oxide (Indium tin oxide, ITO) etc. with the material of described pixel electrode 1107.Described resistance layer 3 material that falls can be metal, such as metal molybdenum, metallic aluminium, metallic copper etc.The material of described conductive part 1111 is also metal.Described resistance layer 3 of falling is arranged on described first conductive layer 21, and described in fall resistance layer 3 and described first conductive layer 21 and be electrically connected the resistance that the equivalent resistance formed is less than described first conductive layer 21 self, therefore fall described in that structure that resistance layer 3 and the first conductive layer 21 be electrically connected is easier than described first conductive layer 21 to be driven, and response speed and the touch-control sensitivity of described contactor control device 1000 can be accelerated further.
As shown in Figure 3, for the planar structure schematic diagram of the embodiment that resistance unit 31 is arranged on a touch-control sensing electrode 211 of described first conductive layer 21 falls in described of falling resistance layer 3.The described resistance unit 31 that falls is pattern structure, and it comprises some falling and hinders bar 311 and fall by these opening 312 hindering bar 311 and surround.In the present embodiment, fall resistance bar 311 described in comprise at least two first and fall resistance bar 3111 and fall and hinder crossing at least two second of bar 3111 with described first and fall and hinder bar 3112.Wherein, those first fall resistance bar 3111 arranged in parallel, and those first two ends falling resistance bar 3111 described with two second fall and hinder bar 3112 and be connected respectively.
As shown in Figure 4, for the planar structure schematic diagram of another embodiment that resistance unit 31 is arranged on a touch-control sensing electrode 211 of described first conductive layer 21 falls in described of falling resistance layer 3.This falls resistance bar 311 and comprises at least two first equally and fall resistance bar 3111 and fall and hinder crossing at least two second of bar 3111 with described first and fall and hinder bar 3112.Wherein, this first falls resistance bar 3111 and extends along the bearing of trend with described touch-control sensing electrode 211, and this first falls and hinder bar 3111 and second and fall and hinder bar 3112 and form waffle-like pattern.
Described first falls resistance bar 3111 and second falls width hinder bar 3112 and is respectively 10 μm to 30 μm, and adjacent first falls and hinder bar 3111 or adjacent second to fall the distance hindered between bar 3112 be 100 μm to 300 μm.It should be noted that, the described arrangement mode of resistance unit 31 on described touch-control sensing electrode 211 that fall is not limited to above-mentioned two kinds, the description of falling resistance unit 31 to this is above only and makes reader be easier to understand the present invention, and not limits falling the arrangement mode of resistance unit 31 on described touch-control sensing electrode 211.
As shown in Figure 2, described thin film transistor (TFT) 1105 can be low-temperature polysilicon film transistor, and it comprises grid 1105a, source electrode 1105b, drain electrode 1105c and channel layer 1105d.Described first substrate 1101 is transparent substrates, as substrate of glass.Described second substrate 1201 also can be transparent substrates.Described first substrate 11 also comprises light shield layer 1112, first separation layer group 1113, gate insulator 1114 and the second separation layer group 1115.
Particularly, this light shield layer 1112 is arranged in this first substrate 1101.This first separation layer group 1113 is covered on this light shield layer 1112, and it can comprise three layers of separation layer, and the material of these three layers of separation layers can be sequentially monox, silicon nitride and monox from bottom to top.This channel layer 1105d is arranged in this first separation layer group 1113, and it comprises light doping section and heavily doped region.This gate insulator 1114 is covered on this channel layer 1105d, and its material can be monox.This grid 1105a is arranged on this gate insulator 1114, and in present embodiment, this thin film transistor (TFT) 1105 can be double gated thin film transistor (TFT).This second separation layer group 1115 is arranged on this grid 1105a, and it can comprise silicon nitride from bottom to top and monox.This second separation layer group 1115 and this gate insulator 1114 also offer the via 1118 and via 1119 that run through this second separation layer group 1115 and this gate insulator 1114.This source electrode 1105b and this drain electrode 1105c is arranged in this second separation layer group 1115, and this source electrode 1105b is connected to one end of this channel layer 1105d by this via 1118, this drain electrode 1105c is connected to the other end of this channel layer 1105d by this via 1119.Be appreciated that, this source electrode 1105b to be also connected in this second separation layer group 1115 and source drive line 1103 (not shown) arranged with layer with this source electrode 1105b, and this grid 1105a to be also connected on this gate insulator 1114 and raster data model line 1102 (not shown) arranged with layer with this grid 1105a.This passivation layer 112 is covered on this second separation layer group 1115, this source electrode 1105b and this drain electrode 1105c, and this position running through the via 1117 of this passivation layer 112 can be corresponding with this via 1119.
In addition, be also formed with multiple first opening 1109 in this pixel electrode 1107, this first conductive layer 21 correspondence forms multiple second opening 1110, and the plurality of first opening 1109 and multiple second opening 1110 can be crisscross arranged.Certainly, when this contactor control device 1000 is fringe field switch type liquid crystal display panel, this first conductive layer 21 also can not arrange in the plurality of second opening 1110 or this pixel electrode 1107 and not arrange the first opening 1109.Again, this contactor control device 1000 can also comprise the sept 1302 being arranged in this liquid crystal layer 13, wherein this sept 1302 position can with fall that to hinder unit 31 corresponding.
Compared with prior art, in the contactor control device 1000 that the specific embodiment of the invention provides, fall the structure that resistance layer 3 and the first conductive layer 21 be electrically connected make described contactor control device be more prone to drive than simple use first conductive layer 21 by described, accelerate response speed and the touch-control sensitivity of described contactor control device 1000 with this.
Refer to Fig. 5, Fig. 5 is the diagrammatic cross-section of contactor control device 2,000 second embodiment of the present invention.The key distinction of the contactor control device 2000 of this second embodiment and the contactor control device 1000 of the first embodiment is: described in fall resistance layer 6 and be arranged on described passivation layer 4106 towards the side of described first conductive layer 51 and just to described first conductive layer 51.That is, fall resistance layer 6 described in and be positioned at described first conductive layer 51 near described passivation layer 4106 side.This falls, and resistance layer 6 is same with the structure that the first conductive layer 51 is electrically connected can make described contactor control device 2000 be more prone to drive than simple use first conductive layer 51, accelerates response speed and the touch-control sensitivity of described contactor control device 2000 with this.
Be understandable that, this design of falling resistance layer 3 can be applied on described second conductive layer 22 equally.As shown in Figure 6, in the contactor control device 3000 that third embodiment of the invention provides, by to be arranged in described second substrate 7201 and with the second conductive layer 82 and falling of connecting resistance layer 9 is same can make described contactor control device 3000 be more prone to drive than simple use second conductive layer 82, accelerate the touch-control sensitivity of described contactor control device 3000 with this.
Above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not depart from the spirit and scope of technical solution of the present invention.
Claims (19)
1. a contactor control device, comprise the first conductive layer and the second conductive layer, described first conductive layer and the second conductive layer mutually insulated and form capacitive touch-sensing structure, described contactor control device also comprise be electrically connected with described first conductive layer resistance layer is fallen, described in come down to a lower group layer and described first conductive layer be electrically connected the resistance that the equivalent resistance formed is less than described first conductive layer.
2. contactor control device as claimed in claim 1, it is characterized in that, described first conductive layer comprises multiple touch-control sensing electrode, described in fall resistance layer and comprise and multiplely fall resistance unit, each touch-control sensing electrode at least falls with one and hinders unit and be electrically connected.
3. contactor control device as claimed in claim 2, is characterized in that, described in fall resistance unit be pattern structure, it comprises and somely falls resistance bar and fall by these opening that resistance bar surrounds.
4. contactor control device as claimed in claim 3, is characterized in that, this falls resistance bar and comprises at least two first and fall resistance bar and fall and hinder crossing at least two second of bar with first and fall resistance bar.
5. contactor control device as claimed in claim 4, is characterized in that, those first fall resistance bar arranged in parallel, and those first two ends falling resistance bar described with two second fall and hinder bar and be connected respectively.
6. contactor control device as claimed in claim 5, is characterized in that, described first falls resistance bar and second falls width hinder bar and be respectively 10 μm to 30 μm, and adjacent first falls and hinder bar or adjacent second and fall the distance hindered between bar and be respectively 100 μm to 300 μm.
7. contactor control device as claimed in claim 4, is characterized in that, this first falls resistance bar along extending with the bearing of trend of described touch-control sensing electrode, and this first falls and hinder bar and second and fall and hinder bar and form waffle-like pattern.
8. contactor control device as claimed in claim 7, is characterized in that, described first falls resistance bar and second falls width hinder bar and be respectively 10 μm to 30 μm, and adjacent first falls and hinder bar or adjacent second and fall the distance hindered between bar and be respectively 100 μm to 300 μm.
9. contactor control device as claimed in claim 1, is characterized in that, described in layer of coming down to a lower group directly be covered on this first conductive layer.
10. contactor control device as claimed in claim 1, is characterized in that, described in resistance layer falls and material be metal, the material of this first conductive layer is transparent conductive material.
11. contactor control devices as described in claim 3-10 item any one, it is characterized in that, this contactor control device also comprises display panel, this display panel comprise multiple printing opacity for showing the pixel cell of image and the alternatively non-transparent district between adjacent two pixel cells, this unit correspondence of coming down to a lower group is distributed in this alternatively non-transparent district.
12. contactor control devices as claimed in claim 11, it is characterized in that, described display panel comprises first substrate, this first substrate comprises the first substrate and is arranged at this first suprabasil raster data model line and source drive line, described raster data model line and the interlaced and mutually insulated of source drive line, described pixel cell is positioned at the intersection of described raster data model line and source drive line, on the direction perpendicular to described first substrate, described in come down to a lower group the position of unit just to described raster data model line.
13. contactor control devices as claimed in claim 12, is characterized in that, this first conductive layer and this fall resistance layer and be arranged in this first substrate.
14. contactor control devices as claimed in claim 13, it is characterized in that, the second substrate that described display panel also comprises and described first substrate is oppositely arranged and the liquid crystal layer be sandwiched between this first substrate and this second substrate, this first substrate also comprises and is arranged at this first suprabasil thin film transistor (TFT), covers the passivation layer of this thin film transistor (TFT) and to insulate the pixel electrode arranged with this first conductive layer, and described first conductive layer and described film crystal pipe insulation are arranged.
15. contactor control devices as claimed in claim 14, it is characterized in that, described first conductive layer is arranged on described passivation layer, described in fall resistance layer and be arranged at side away from described passivation layer on described first conductive layer.
16. contactor control devices as claimed in claim 15, it is characterized in that, described second substrate also comprises the black matrix and chromatic filter layer that are arranged at this second substrate this liquid crystal layer side contiguous, described second conductive layer is arranged in described second substrate, and the medium between described first conductive layer and the second conductive layer at least comprises this black matrix, chromatic filter layer and liquid crystal layer.
17. contactor control devices as claimed in claim 13, it is characterized in that, this first conductive layer is also as the public electrode of display panel.
18. contactor control devices as claimed in claim 16, it is characterized in that, described first substrate also comprises insulation course, and this insulation course is covered in this first conductive layer and this falls resistance layer, and this pixel electrode is arranged on this insulation course.
19. contactor control devices as claimed in claim 14, it is characterized in that, described first conductive layer is arranged on described passivation layer, described in fall resistance layer and be arranged on described passivation layer towards the side of described first conductive layer and just to described first conductive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310443494.6A CN104516614A (en) | 2013-09-26 | 2013-09-26 | Touch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310443494.6A CN104516614A (en) | 2013-09-26 | 2013-09-26 | Touch device |
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| Publication Number | Publication Date |
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| CN104516614A true CN104516614A (en) | 2015-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310443494.6A Pending CN104516614A (en) | 2013-09-26 | 2013-09-26 | Touch device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106020581A (en) * | 2016-05-25 | 2016-10-12 | 厦门天马微电子有限公司 | Array substrate and touch display panel |
| CN106098710A (en) * | 2016-08-29 | 2016-11-09 | 京东方科技集团股份有限公司 | A kind of array base palte and preparation method thereof, display device |
| WO2023102990A1 (en) * | 2021-12-10 | 2023-06-15 | 武汉华星光电技术有限公司 | Display panel and display apparatus |
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| CN106020581A (en) * | 2016-05-25 | 2016-10-12 | 厦门天马微电子有限公司 | Array substrate and touch display panel |
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| WO2023102990A1 (en) * | 2021-12-10 | 2023-06-15 | 武汉华星光电技术有限公司 | Display panel and display apparatus |
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Effective date of registration: 20161020 Address after: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Applicant after: Hongfujin Precise Industry (Shenzhen) Co., Ltd. Applicant after: Hon Hai Precision Industry Co., Ltd. Address before: Taiwan Hsinchu County Chinese jhubei City, Taiwan 1 yuan a Street No. 7 Building 1 Applicant before: YEXIN TECHNOLOGY CONSULATION CO., LTD. Applicant before: AU OPTRONICS CO., LTD. |
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Application publication date: 20150415 |