CN104571758A - Array base plate and display panel - Google Patents
Array base plate and display panel Download PDFInfo
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- CN104571758A CN104571758A CN201410831607.4A CN201410831607A CN104571758A CN 104571758 A CN104571758 A CN 104571758A CN 201410831607 A CN201410831607 A CN 201410831607A CN 104571758 A CN104571758 A CN 104571758A
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- touch control
- control electrode
- array base
- base palte
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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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136204—Arrangements to prevent high voltage or static electricity failures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Human Computer Interaction (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses an array base plate and a display panel. Through the arrangement of a virtual electrode in a cutting region of the array base plate, and in addition, touch control electrodes are electrically connected with the virtual electrode through a touch control electrode lead wire, so that the touch control electrodes are in short circuit connection, i.e., the voltage difference among the touch control electrodes is zero; or a first electrostatic defending device is arranged in a step region of the array base plate, in addition, the touch control electrodes are electrically connected onto a first short circuit ring through the touch control electrode lead wire and the first electrostatic defending device, when the first electrostatic defending device is switched on through the static electricity of the touch control electrodes, the touch control electrodes conduct the static electricity on the touch control electrodes onto the first short circuit ring through the first electrostatic defending device, and the voltage of the static electricity of the touch control electrodes is reduced. Through the technical scheme provided by the invention, the static electricity discharge among the touch control electrodes can be prevented, so that the damage to the touch control electrodes and the display panel due to the static electricity discharge can be avoided.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of array base palte and display panel.
Background technology
Along with the development of modern electronic technology, corresponding assembly can be set in display panel to realize corresponding function, such as, realize capacitive touch function etc., to bring the facility in application to user.
At present, according to the generation type of electric capacity, capacitance touching control can be divided into self-capacitance touch-control and mutual capacitance touch-control, wherein, self-capacitance touch-control is by the electric capacity formed between touch control electrode and ground to realize touch controllable function, and mutual capacitance touch-control is to realize touch controllable function by the electric capacity formed between touch-control drive electrode and touch-control sensing electrode.
As shown in Figure 1, display panel 10 is for realizing the display panel of self-capacitance touch-control, this display panel 10 is by viewing area 11, form around the frame region 12 of viewing area 11 and the stepped area 13 that is positioned at frame region 12 side, block touch control electrode 111 is provided with in viewing area 11, each touch control electrode 111 is by contact conductor 112 and integral control circuit 131 (Integrated Circuit the is called for short IC) electrical connection being arranged on stepped area 13.
As shown in Figure 1, in the production run of display panel, a large amount of electrostatic can be produced, and make touch control electrode 111 with electrostatic.Because touch control electrode 111 can make to produce voltage difference between touch control electrode 111 with electrostatic, thus can static discharge be there is between touch control electrode 111, touch control electrode 111 can be made like this to be damaged, display panel 10 even can be made to be damaged.
But, in prior art, the data line (not shown in FIG.) be arranged in display panel 10 also with electrostatic, therefore, can arrange corresponding electrostatic protection structure to prevent data line generation static discharge in process of production in the region A of frame region 12.Due to the limited space of region A, the electrostatic protection structure of touch control electrode 111 cannot be set in this region again.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of array base palte and display panel, to solve touch control electrode in prior art causes occurring between touch control electrode static discharge technical matters with electrostatic.
First aspect, the embodiment of the present invention provides a kind of array base palte, comprise viewing area, around the frame region of described viewing area, in the cutting zone of described frame region side and the stepped area between described frame region and described cutting zone, described array base palte comprises the touch control electrode of the multiple bulks being arranged in described viewing area and many touch control electrode corresponding with described multiple touch control electrode go between, the first end of described many touch control electrode lead-in wire respectively and the touch control electrode electrical connection corresponding with it, wherein, described array base palte also comprises:
Be arranged in the dummy electrodes of described cutting zone, the second end that described dummy electrodes goes between with described many touch control electrode is electrically connected.
Second aspect, the embodiment of the present invention also provides a kind of array base palte, comprise viewing area, around described viewing area frame region and be positioned at the stepped area of described frame region side, described array base palte comprises the first short-circuited conducting sleeve being arranged in described stepped area, the touch control electrode of the multiple bulks being arranged in described viewing area and many touch control electrode corresponding with described multiple touch control electrode and goes between, the first end of described many touch control electrode lead-in wire and the touch control electrode corresponding with it electrical connection, wherein, described array base palte also comprises:
Be arranged in multiple first electrostatic protection devices of described stepped area, described in every bar, the second end of touch control electrode lead-in wire is electrically connected with described first short-circuited conducting sleeve by the first electrostatic protection device described at least one.
The third aspect, the embodiment of the present invention also provides a kind of display panel, comprise array base palte that color membrane substrates and described color membrane substrates be oppositely arranged and the liquid crystal layer between described color membrane substrates and described array base palte, wherein, described array base palte is for the array base palte described in above-mentioned first aspect is through cutting away cutting zone and obtain or being the array base palte described in above-mentioned second aspect.
The array base palte that the embodiment of the present invention provides and display panel, by the cutting zone at array base palte, dummy electrodes is set, and touch control electrode is electrically connected with dummy electrodes by touch control electrode lead-in wire, touch control electrode is shorted together, namely the voltage difference between touch control electrode is zero, can prevent from like this, between touch control electrode, static discharge occurs, thus can avoid because static discharge is to the damage of touch control electrode and display panel; And
By arranging the first electrostatic protection device in the stepped area of array base palte, and touch control electrode is electrically connected on the first short-circuited conducting sleeve by touch control electrode lead-in wire and the first electrostatic protection device, when touch control electrode with electrostatic make first electrostatic protection device open time, electrostatic on it to be transmitted on the first short-circuited conducting sleeve by the first electrostatic protection device opened and to reduce the voltage of touch control electrode institute static electrification by touch control electrode, can prevent from like this, between touch control electrode, static discharge occurs, thus can avoid because static discharge is to the damage of touch control electrode and display panel.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features of the present invention, object and advantage will become more obvious:
Fig. 1 is the structural representation of the display panel of prior art;
Fig. 2 is the structural representation of a kind of array base palte that the embodiment of the present invention provides;
Fig. 3 is the structural representation of the another kind of array base palte that the embodiment of the present invention provides;
Fig. 4 is the structural representation of another array base palte that the embodiment of the present invention provides;
Fig. 5 is the structural representation of another array base palte that the embodiment of the present invention provides;
Fig. 6 is the structural representation of another array base palte that the embodiment of the present invention provides;
Fig. 7 is the structural representation of another array base palte that the embodiment of the present invention provides;
Fig. 8 is the structural representation of another array base palte that the embodiment of the present invention provides;
Fig. 9 is the structural representation of another array base palte that the embodiment of the present invention provides;
Figure 10 is the structural representation of another array base palte that the embodiment of the present invention provides;
Figure 11 is the structural representation of a kind of display panel that the embodiment of the present invention provides.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not full content.
The embodiment of the present invention provides a kind of array base palte.Fig. 2 is the structural representation of a kind of array base palte that the embodiment of the present invention provides.As shown in Figure 2, described array base palte 20 is by viewing area 21, around the frame region 22 of described viewing area 21, be arranged in the described cutting zone 23 of frame region 22 side (figure is downside) and the stepped area 24 between described frame region 22 and described cutting zone 23 is formed, described array base palte 20 comprises the touch control electrode 211 of the multiple bulks being arranged in described viewing area 21 and many touch control electrode corresponding with described multiple touch control electrode 211 go between 212, the first end of described many touch control electrode lead-in wire 212 respectively and the touch control electrode 211 corresponding with it be electrically connected, described array base palte 20 also comprises: the dummy electrodes 231 being arranged in described cutting zone 23, described dummy electrodes 231 and described many touch control electrode go between 212 the second end be electrically connected.
In the production run of array base palte, can produce a large amount of electrostatic, this can make touch control electrode 211 with electrostatic, and makes to produce voltage difference between touch control electrode 211, thus causes, between touch control electrode 211, static discharge occurs, and damages touch control electrode 211.The present invention is in the process of producing array base palte, by arranging dummy electrodes 231 in the cutting zone 23 of array base palte, and touch control electrode 211 is electrically connected on dummy electrodes 231 by touch control electrode lead-in wire 212, all like this touch control electrode 211 are all shorted together, namely the voltage difference between all touch control electrode 211 is 0, thus the static discharge between touch control electrode 211 can be prevented, and avoid because static discharge is to the damage of touch control electrode 211.
In addition, after array base palte manufacture completes, cutting zone can be cut away, correspondingly, touch control electrode lead-in wire 212 and dummy electrodes 231 can disconnect, no longer short circuit between such touch control electrode 211, can be gone between by touch control electrode and 212 be electrically connected to the integral control circuit be arranged in stepped area 24, thus make touch control electrode 211 realize capacitive touch function.
In embodiments of the present invention, as an embodiment, the area of described dummy electrodes 231 is greater than the area of described touch control electrode 211, or the area of described dummy electrodes 231 equals the area of described cutting zone 23.Because the area of the area ratio touch control electrode 211 of dummy electrodes 231 is large, therefore the ability that the energy force rate touch control electrode 211 that dummy electrodes 231 carries electrostatic carries electrostatic wants large, thus be conducive to electrostatic to concentrate on cutting zone and reduce touch control electrode 211 in viewing area 21 with electrostatic, and then can reduce touch control electrode 211 with electrostatic on the impact of other devices in viewing area 21.
In embodiments of the present invention, as shown in Figure 2, described touch control electrode 211 is arranged in array.The benefit of such setting to make touch control electrode 211 distribute relatively evenly, thus can improve the accuracy of capacitance touching control.
In embodiments of the present invention, as shown in Figure 2, described touch control electrode 211 and described touch control electrode lead-in wire 212 are arranged with layer, and such touch control electrode lead-in wire 212 can be formed by synchronous manufacturing process with touch control electrode 211, thus the manufacturing process of array base palte can be reduced, and reduce production cost.
In addition, as shown in Figure 3, described touch control electrode 211 and 212 (represented by dashed line) layering of described touch control electrode lead-in wire are arranged, and the first end of described touch control electrode lead-in wire 212 is electrically connected with corresponding described touch control electrode 211 by through-hole structure 213.Wherein, touch control electrode lead-in wire 212 shown in Fig. 3, the rete at other electrode places in array base palte except touch control electrode 211 can be arranged on, such as, be arranged on the rete at the grid place of the thin film transistor (TFT) in array base palte, or the rete etc. at source electrode and drain electrode place.How through-hole structure 213 is specifically realized to the electrical connection of touch control electrode lead-in wire 212 and touch control electrode 211, be the common technology of this area, do not repeat them here in the present invention.Due to the array base palte shown in Fig. 2 with Fig. 3 be touch control electrode lead-in wire 212 set-up mode different, other structure is all identical, therefore, same layer is set is described for touch control electrode 211 and touch control electrode lead-in wire 212 in each embodiment ensuing, in like manner can obtain touch control electrode 211 and touch control electrode and to go between the corresponding situation that 212 layerings arrange.
In embodiments of the present invention, the material of described touch control electrode lead-in wire 212 is transparent conductive material or metal material.Transparent conductive material elected as by the material being preferably touch control electrode lead-in wire 212, such as: tin indium oxide (Indium Tin Oxide is called for short ITO), indium zinc oxide (Indium Zinc Oxide is called for short IZO) or both combinations etc.Due to can corrosive liquid cutting be adopted to cutting zone 23, therefore, touch control electrode lead-in wire 212 adopts transparent conductive material, can play corrosion resistant effect.
In embodiments of the present invention, in order to prevent excessive with the voltage difference produced due to electrostatic between other electrode layers (such as data line and sweep trace etc.) in the touch control electrode 211 of electrostatic and array base palte 20 and static discharge occur, therefore, as shown in Figure 4, described array base palte 20 also comprises the common electrical bit line 221 being arranged in described frame region 22, and described dummy electrodes 231 is electrically connected with described common electrical bit line 221.Be electrically connected with public electrode wire 221 by making dummy electrodes 231, electrostatic in touch control electrode 211 and dummy electrodes 231 can be discharged by public electrode wire 221, and then the voltage difference that can reduce in touch control electrode 211 and array base palte 20 between other electrode layers, thus the voltage difference that produces due to electrostatic between touch control electrode 211 and other electrode layers can be prevented excessive and static discharge occurs, and array base palte can be avoided to be subject to the damage of static discharge, array substrate plays the effect of electrostatic defending.
In the diagram, described array base palte 20 also comprises the first short-circuited conducting sleeve 241 being arranged in described stepped area 24 and the second short-circuited conducting sleeve 222 being arranged in described frame region 22, described dummy electrodes 231 is electrically connected with described first short-circuited conducting sleeve 241, and described first short-circuited conducting sleeve 241 is electrically connected with described common electrical bit line 221 by described second short-circuited conducting sleeve 222.
Further, on the basis of the array base palte shown in Fig. 4, as shown in Figure 5, described array base palte 20 also comprises at least one first electrostatic protection device 242 being arranged in described stepped area 24, and described dummy electrodes 231 is electrically connected with described first short-circuited conducting sleeve 241 by least one first electrostatic protection device 242 described.By arranging the first electrostatic protection device 242 between dummy electrodes 231 and the first short-circuited conducting sleeve 241, when on dummy electrodes 231 the voltage of the cut-in voltage or negative electrostatic that are not less than the first electrostatic protection device 242 of the voltage with positive electrostatic be not more than the cut-in voltage of the first electrostatic protection device 242 time, first electrostatic protection device 242 is opened, electrostatic on it can be transmitted on the first short-circuited conducting sleeve 241 by the first electrostatic protection device 242 opened by such dummy electrodes 231, and be transmitted on common electrical bit line 221 again by the first short-circuited conducting sleeve 241, thus can by touch control electrode 211 and dummy electrodes 231 with electrostatic discharge, and the voltage difference reduced in touch control electrode 211 and array base palte 20 between other electrode layers, and then can avoid, between touch control electrode 211 and other electrode layers, static discharge occurs.
Above-mentioned first electrostatic protection device 242 can fetch realization by being electrically connected of two thin film transistor (TFT)s, wherein the grid of first thin film transistor (TFT) is electrically connected with its source electrode and is electrically connected with the drain electrode of second thin film transistor (TFT), as one end of the first electrostatic protection device 242, the grid of second thin film transistor (TFT) is electrically connected with its source electrode and is electrically connected with the drain electrode of first thin film transistor (TFT), as the other end of the first electrostatic protection device 242.Described thin film transistor (TFT) can adopt interlock system fabrication technique to obtain with the thin film transistor (TFT) be arranged in the viewing area of array base palte.Certainly, the first electrostatic protection device 242 also can adopt other device to obtain or adopt existing any device that can play electrostatic defending effect, is not construed as limiting in this structure to the first electrostatic protection device 242.
Further, on the basis of the array base palte shown in Fig. 5, as shown in Figure 6, described array base palte 20 also comprises multiple second electrostatic protection devices 243 being arranged in described stepped area 24, and described first short-circuited conducting sleeve 241 is electrically connected with described second short-circuited conducting sleeve 222 by described multiple second electrostatic protection device 243.By arranging the second electrostatic protection device 243 between the first short-circuited conducting sleeve 241 and the second short-circuited conducting sleeve 222, when the voltage of cut-in voltage or negative electrostatic that the voltage being transmitted to the positive electrostatic on the first short-circuited conducting sleeve 241 is not less than the second electrostatic protection device 243 is not more than the cut-in voltage of the second electrostatic protection device 243, second electrostatic protection device 243 is opened, electrostatic on it can be transmitted on the second short-circuited conducting sleeve 222 by the second electrostatic protection device 243 opened by such first short-circuited conducting sleeve 241, and be transmitted on common electrical bit line 221 again, thus the electrostatic on the first short-circuited conducting sleeve 241 can be realized to discharge.Also on the basis of the array base palte shown in Fig. 4, multiple second electrostatic protection device can be set in the stepped area 24 of array base palte 20, and the first short-circuited conducting sleeve 241 is electrically connected with described second short-circuited conducting sleeve 222 by described multiple second electrostatic protection device.Illustrate, refer to the above-mentioned related description about Fig. 6, do not repeat them here.
Above-mentioned second electrostatic protection device 243 can fetch realization by being electrically connected of two thin film transistor (TFT)s, wherein the grid of first thin film transistor (TFT) is electrically connected with its source electrode and is electrically connected with the drain electrode of second thin film transistor (TFT), as one end of the second electrostatic protection device 243, the grid of second thin film transistor (TFT) is electrically connected with its source electrode and is electrically connected with the drain electrode of first thin film transistor (TFT), as the other end of the second electrostatic protection device 243.Described thin film transistor (TFT) can adopt interlock system fabrication technique to obtain with the thin film transistor (TFT) be arranged in the viewing area of array base palte.Certainly, the second electrostatic protection device 243 also can adopt other device to obtain or adopt existing any device that can play electrostatic defending effect, is not construed as limiting in this structure to the second electrostatic protection device 243.
In the various embodiments described above, further, described array base palte also comprise be arranged in described viewing area multiple thin film transistor (TFT)s, be positioned at the pixel electrode above described thin film transistor (TFT) and be positioned at the public electrode of described pixel electrode side, wherein said thin film transistor (TFT) comprises grid, source electrode and drain electrode; Described dummy electrodes is formed by least one rete in the grid of described thin film transistor (TFT), source electrode, drain electrode, described pixel electrode and described public electrode.Dummy electrodes is formed by least one rete in above-mentioned rete, not only can reduce the manufacturing process of array base palte, can also reduce production cost.In addition, dummy electrodes also can be formed by other electrode layers or metal level being arranged in array base palte, in this no limit.
Further, described touch control electrode and described public electrode can be that same rete is formed, namely public electrode is multiplexed with touch control electrode, and in the case, touch-control state and display state adopt time-shared fashion to carry out, that is, under touch-control state, public electrode as touch control electrode, under display state, public electrode for receiving public voltage signal, and forms electric field to control the rotation of liquid crystal molecule with pixel electrode.In addition, touch control electrode also can be arranged between pixel electrode and common electrode layer, and touch control electrode and pixel electrode and common electrode layer electrical isolation, and in such cases, touch-control state and display state also need to adopt time-shared fashion to carry out.Except the set-up mode of above-mentioned two kinds of touch control electrode, touch control electrode also can be arranged on other positions of array base palte, in this no limit.
The embodiment of the present invention also provides a kind of array base palte.As shown in Figure 7, described array base palte 30 is by viewing area 31, frame region 32 around described viewing area 31 is formed with the stepped area 33 being positioned at described frame region 32 side (being downside in the drawings), described array base palte 30 comprises the first short-circuited conducting sleeve 331 being arranged in described stepped area 33, the touch control electrode 311 and many touch control electrode corresponding with described multiple touch control electrode 311 that are arranged in multiple bulks of described viewing area 31 go between 312, first end and the touch control electrode 311 corresponding with it of described many touch control electrode lead-in wire 312 are electrically connected, described array base palte 30 also comprises: multiple first electrostatic protection devices 332 being arranged in described stepped area 33, described in every bar, the second end of touch control electrode lead-in wire 312 is electrically connected with described first short-circuited conducting sleeve 331 by the first electrostatic protection device 332 described at least one.
It should be noted that, usually in the stepped area 33 of array base palte 30, can integral control circuit be set, and integral control circuit can occupy the larger area of stepped area 33.For multiple first electrostatic protection devices 332 that the present invention is arranged in stepped area 33, refer to that the interstice coverage in stepped area 33 arranges multiple first electrostatic protection device 332, thus do not affect the deployment scenarios of integral control circuit in stepped area 33.
Above-mentioned first electrostatic protection device 332 can fetch realization by being electrically connected of two thin film transistor (TFT)s, wherein the grid of first thin film transistor (TFT) is electrically connected with its source electrode and is electrically connected with the drain electrode of second thin film transistor (TFT), as one end of the first electrostatic protection device 332, the grid of second thin film transistor (TFT) is electrically connected with its source electrode and is electrically connected with the drain electrode of first thin film transistor (TFT), as the other end of the first electrostatic protection device 332.Described thin film transistor (TFT) can adopt interlock system fabrication technique to obtain with the thin film transistor (TFT) be arranged in the viewing area of array base palte.Certainly, the first electrostatic protection device 332 also can adopt other device to obtain or adopt existing any device that can play electrostatic defending effect, is not construed as limiting in this structure to the first electrostatic protection device 332.
In the production run of array base palte, can produce a large amount of electrostatic, this can make touch control electrode 311 with electrostatic, and makes to produce voltage difference between touch control electrode 311, thus causes, between touch control electrode 311, static discharge occurs, and damages touch control electrode 311.The present invention by arranging the first electrostatic protection device 332 in the stepped area 33 of array base palte, and touch control electrode 311 is electrically connected on the first short-circuited conducting sleeve 331 by touch control electrode lead-in wire 312 and the first electrostatic protection device 332, when in touch control electrode 311 the voltage of the cut-in voltage or negative electrostatic that are not less than the first electrostatic protection device 332 of the voltage with positive electrostatic be not more than the cut-in voltage of the first electrostatic protection device 332 time, first electrostatic protection device 332 is opened, electrostatic on it can be transmitted on the first short-circuited conducting sleeve 331 by the first electrostatic protection device 332 opened by such touch control electrode 311, the voltage of touch control electrode 311 static electrifications can be reduced, thus the static discharge between touch control electrode 311 can be prevented, and the static discharge on touch control electrode 311 and array base palte 30 between other electrodes (such as data line and sweep trace etc.), and then can avoid because static discharge is to the damage of touch control electrode 311 and array base palte 30.
In embodiments of the present invention, as shown in Figure 7, described touch control electrode 311 is arranged in array.The benefit of such setting to make touch control electrode 311 distribute relatively evenly, thus can improve the accuracy of capacitance touching control.
In embodiments of the present invention, as shown in Figure 7, described touch control electrode 311 and described touch control electrode lead-in wire 312 are arranged with layer, and such touch control electrode lead-in wire 312 can be formed by synchronous manufacturing process with touch control electrode 311, thus the manufacturing process of array base palte can be reduced, and reduce production cost.
In addition, as shown in Figure 8, described touch control electrode 311 and 312 (represented by dashed line) layering of described touch control electrode lead-in wire are arranged, and the first end of described touch control electrode lead-in wire 311 is electrically connected with corresponding described touch control electrode 311 by through-hole structure 313.Wherein, touch control electrode lead-in wire 312 shown in Fig. 8, the rete at other electrode places in array base palte except touch control electrode 311 can be arranged on, such as, be arranged on the rete at the grid place of the thin film transistor (TFT) in array base palte, or the rete etc. at source electrode and drain electrode place.Due to the array base palte shown in Fig. 7 with Fig. 8 be touch control electrode lead-in wire 312 set-up mode different, other structure is all identical, therefore, same layer is set is described for touch control electrode 311 and touch control electrode lead-in wire 312 in each embodiment ensuing, in like manner can obtain touch control electrode 311 and touch control electrode and to go between the corresponding situation that 312 layerings arrange.
In embodiments of the present invention, as shown in Figure 7, described array base palte 30 also comprises the second short-circuited conducting sleeve 321 being arranged in described frame region 32, and described first short-circuited conducting sleeve 331 is electrically connected with described second short-circuited conducting sleeve 321.Can be conducive to like this reducing the voltage difference in touch control electrode 311 and array base palte 30 between other electrodes, to avoid the generation static discharge between touch control electrode 311 and other electrodes.
In embodiments of the present invention, as shown in Figure 7, described array base palte 30 also comprises the common electrical bit line 322 being arranged in described frame region 32, and described common electrical bit line 322 is electrically connected with described second short-circuited conducting sleeve 321.Can be conducive to like this reducing the voltage difference in touch control electrode 311 and array base palte 30 between other electrodes, to avoid the generation static discharge between touch control electrode 311 and other electrodes.
In embodiments of the present invention, on the basis of the array base palte shown in Fig. 7, as shown in Figure 9, described array base palte 30 also comprises multiple second electrostatic protection devices 333 being arranged in described stepped area 33, and described first short-circuited conducting sleeve 331 is electrically connected with described second short-circuited conducting sleeve 321 by described multiple second electrostatic protection device 333.By arranging the second electrostatic protection device 333 between the first short-circuited conducting sleeve 331 and the second short-circuited conducting sleeve 321, when the voltage of cut-in voltage or negative electrostatic that the voltage being transmitted to electrostatic positive on the first short-circuited conducting sleeve 331 is not less than the second electrostatic protection device 333 is not more than the cut-in voltage of the second electrostatic protection device 333, second electrostatic protection device 333 is opened, electrostatic on it can be transmitted on the second short-circuited conducting sleeve 321 by the second electrostatic protection device 333 opened by such first short-circuited conducting sleeve 331, and be transmitted on common electrical bit line 322 again, thus the electrostatic on the first short-circuited conducting sleeve 331 can be realized to discharge.
Above-mentioned second electrostatic protection device 333 can fetch realization by being electrically connected of two thin film transistor (TFT)s, wherein the grid of first thin film transistor (TFT) is electrically connected with its source electrode and is electrically connected with the drain electrode of second thin film transistor (TFT), as one end of the second electrostatic protection device 333, the grid of second thin film transistor (TFT) is electrically connected with its source electrode and is electrically connected with the drain electrode of first thin film transistor (TFT), as the other end of the second electrostatic protection device 333.Described thin film transistor (TFT) can adopt interlock system fabrication technique to obtain with the thin film transistor (TFT) be arranged in the viewing area of array base palte.Certainly, the second electrostatic protection device 333 also can adopt other device to obtain or adopt existing any device that can play electrostatic defending effect, is not construed as limiting in this structure to the second electrostatic protection device 333.
As shown in figures 7 and 9, described in every bar, the second end of touch control electrode lead-in wire 312 is electrically connected with described first short-circuited conducting sleeve 331 by described first electrostatic protection device 332.This is only a kind of embodiment arranging the first electrostatic protection device 332 between touch control electrode lead-in wire 312 and the first short-circuited conducting sleeve 331.In another embodiment, as shown in Figure 10, described in every bar, the second end of touch control electrode lead-in wire 312 is electrically connected with described first short-circuited conducting sleeve 331 by described first electrostatic protection device 332 of two series connection.Because two the first electrostatic protection devices 332 are electrically connected in series; when the voltage of touch control electrode 311 static electrifications is not less than the cut-in voltage of the first electrostatic protection device 332 of twice; first electrostatic protection device 332 that two can be made to connect is opened; therefore; by connecting, the first electrostatic protection device 332 when the voltage of touch control electrode 311 static electrifications is larger, can play the effect of protection to the first electrostatic protection device 332.In actual design; can select the number of the first electrostatic protection device 332 of series connection as required; as long as can either to touch control electrode 311 with electrostatic discharge, can play the first electrostatic protection device 332 again and well protect, in this no limit.
In addition, if touch control electrode institute static electrification is producing larger electric current when the first electrostatic protection device 332 discharges, then can be electrically connected with the first short-circuited conducting sleeve by two the first electrostatic protection devices in parallel at the second end of every bar touch control electrode lead-in wire.Such two the first electrostatic protection devices in parallel can play shunting action to electric current, thus can prevent from causing the first electrostatic protection device to damage because electric current is excessive, the first electrostatic protection device are played to the effect of protection.In actual design; can select the number of the first electrostatic protection device 332 of parallel connection as required; as long as can either to touch control electrode 311 with electrostatic discharge, can play the first electrostatic protection device 332 again and well protect, in this no limit.
The embodiment of the present invention also provides a kind of display panel.Figure 11 is the structural representation of a kind of display panel that the embodiment of the present invention provides.As shown in figure 11, described display panel comprises color membrane substrates 42 that array base palte 41 and array base palte 41 be oppositely arranged and the liquid crystal layer 43 between array base palte 41 and color membrane substrates 42, wherein, described liquid crystal layer 43 comprises multiple liquid crystal molecule 431, and described array base palte 41 is the array base palte described in the various embodiments described above.But for the array base palte with cutting zone in the various embodiments described above, the array base palte 41 in Figure 11 obtains after being cut by cutting zone.
The array base palte that the embodiment of the present invention provides and display panel, by the cutting zone at array base palte, dummy electrodes is set, and touch control electrode is electrically connected with dummy electrodes by touch control electrode lead-in wire, touch control electrode is shorted together, namely the voltage difference between touch control electrode is zero, can prevent from like this, between touch control electrode, static discharge occurs, thus can avoid because static discharge is to the damage of touch control electrode and display panel; And
By arranging the first electrostatic protection device in the stepped area of array base palte, and touch control electrode is electrically connected on the first short-circuited conducting sleeve by touch control electrode lead-in wire and the first electrostatic protection device, when touch control electrode with electrostatic make first electrostatic protection device open time, electrostatic on it to be transmitted on the first short-circuited conducting sleeve by the first electrostatic protection device opened and to reduce the voltage of touch control electrode institute static electrification by touch control electrode, can prevent from like this, between touch control electrode, static discharge occurs, thus can avoid because static discharge is to the damage of touch control electrode and display panel.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (19)
1. an array base palte, it is characterized in that, comprise viewing area, around the frame region of described viewing area, in the cutting zone of described frame region side and the stepped area between described frame region and described cutting zone, described array base palte comprises the touch control electrode of the multiple bulks being arranged in described viewing area and many touch control electrode corresponding with described multiple touch control electrode go between, and the first end of described many touch control electrode lead-in wire respectively and the touch control electrode electrical connection corresponding with it;
Described array base palte also comprises: the dummy electrodes being arranged in described cutting zone, and the second end that described dummy electrodes goes between with described many touch control electrode is electrically connected.
2. array base palte according to claim 1, is characterized in that, described array base palte also comprises the common electrical bit line being arranged in described frame region, and described dummy electrodes is electrically connected with described common electrical bit line.
3. array base palte according to claim 2, it is characterized in that, described array base palte also comprises the first short-circuited conducting sleeve being arranged in described stepped area and the second short-circuited conducting sleeve being arranged in described frame region, described dummy electrodes is electrically connected with described first short-circuited conducting sleeve, and described first short-circuited conducting sleeve is electrically connected with described common electrical bit line by described second short-circuited conducting sleeve.
4. array base palte according to claim 3, it is characterized in that, described array base palte also comprises at least one first electrostatic protection device being arranged in described stepped area, and described dummy electrodes is electrically connected with described first short-circuited conducting sleeve by least one first electrostatic protection device described.
5. the array base palte according to claim 3 or 4, it is characterized in that, described array base palte also comprises multiple second electrostatic protection devices being arranged in described stepped area, and described first short-circuited conducting sleeve is electrically connected with described second short-circuited conducting sleeve by described multiple second electrostatic protection device.
6. the array base palte according to any one of claim 1-4, it is characterized in that, described array base palte also comprise be arranged in described viewing area multiple thin film transistor (TFT)s, be positioned at the pixel electrode above described thin film transistor (TFT) and be positioned at the public electrode of described pixel electrode side, wherein said thin film transistor (TFT) comprises grid, source electrode and drain electrode;
Described dummy electrodes is formed by least one rete in the grid of described thin film transistor (TFT), source electrode, drain electrode, described pixel electrode and described public electrode.
7. array base palte according to claim 6, is characterized in that, described touch control electrode and described public electrode are that same rete is formed; Or
Described touch control electrode between described pixel electrode and described common electrode layer, and with described pixel electrode and described common electrode layer electrical isolation.
8. array base palte according to claim 1, is characterized in that, the area of described dummy electrodes is greater than the area of described touch control electrode; Or
The area of described dummy electrodes equals the area of described cutting zone.
9. array base palte according to claim 1, is characterized in that, described touch control electrode is arranged in array.
10. array base palte according to claim 1, is characterized in that, described touch control electrode and described touch control electrode lead-in wire are arranged with layer; Or
Described touch control electrode and the layering of described touch control electrode lead-in wire are arranged, and the first end of described touch control electrode lead-in wire is electrically connected with corresponding described touch control electrode by through-hole structure.
11. array base paltes according to claim 1, is characterized in that, the material of described touch control electrode lead-in wire is transparent conductive material or metal material.
12. 1 kinds of array base paltes, it is characterized in that, comprise viewing area, around described viewing area frame region and be positioned at the stepped area of described frame region side, described array base palte comprises the first short-circuited conducting sleeve being arranged in described stepped area, the touch control electrode of the multiple bulks being arranged in described viewing area and many touch control electrode corresponding with described multiple touch control electrode and goes between, the first end of described many touch control electrode lead-in wire and the touch control electrode corresponding with it electrical connection
Described array base palte also comprises: multiple first electrostatic protection devices being arranged in described stepped area, and described in every bar, the second end of touch control electrode lead-in wire is electrically connected with described first short-circuited conducting sleeve by the first electrostatic protection device described at least one.
13. array base paltes according to claim 12, is characterized in that, described in every bar, the second end of touch control electrode lead-in wire is electrically connected with described first short-circuited conducting sleeve by described first electrostatic protection device; Or
Described in every bar, the second end of touch control electrode lead-in wire is electrically connected with described first short-circuited conducting sleeve by described first electrostatic protection device of two series connection; Or
Described in every bar, the second end of touch control electrode lead-in wire is electrically connected with described first short-circuited conducting sleeve by two described first electrostatic protection devices in parallel.
14. array base paltes according to claim 12, is characterized in that, described array base palte also comprises the second short-circuited conducting sleeve being arranged in described frame region, and described first short-circuited conducting sleeve is electrically connected with described second short-circuited conducting sleeve.
15. array base paltes according to claim 14, is characterized in that, described array base palte also comprises the common electrical bit line being arranged in described frame region, and described common electrical bit line is electrically connected with described second short-circuited conducting sleeve.
16. array base paltes according to claims 14 or 15, it is characterized in that, described array base palte also comprises multiple second electrostatic protection devices being arranged in described stepped area, and described first short-circuited conducting sleeve is electrically connected with described second short-circuited conducting sleeve by described multiple second electrostatic protection device.
17. array base paltes according to claim 12, is characterized in that, described touch control electrode is arranged in array.
18. array base paltes according to claim 12, is characterized in that, described touch control electrode and described touch control electrode lead-in wire are arranged with layer; Or
Described touch control electrode and the layering of described touch control electrode lead-in wire are arranged, and the first end of described touch control electrode lead-in wire is electrically connected with corresponding described touch control electrode by through-hole structure.
19. 1 kinds of display panels, comprise array base palte that color membrane substrates and described color membrane substrates be oppositely arranged and the liquid crystal layer between described color membrane substrates and described array base palte, it is characterized in that, the array base palte of the array base palte of described array base palte according to any one of claim 1-11 through cutting away cutting zone and obtain or according to any one of claim 12-18.
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