CN105045433A - Touch display panel and display device - Google Patents
Touch display panel and display device Download PDFInfo
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- CN105045433A CN105045433A CN201510549008.8A CN201510549008A CN105045433A CN 105045433 A CN105045433 A CN 105045433A CN 201510549008 A CN201510549008 A CN 201510549008A CN 105045433 A CN105045433 A CN 105045433A
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Abstract
The invention discloses a touch display panel and a display device. The touch display panel comprises a colored film substrate, an array substrate and a liquid crystal layer positioned between the colored film substrate and the array substrate; the colored film substrate is provided with a plurality of touch driving electrodes arranged along a first direction, and a plurality of touch induction electrodes arranged along a second direction vertical to the first direction; each touch driving electrode comprises a plurality of touch driving sub-electrodes formed by metal materials, and each touch induction electrode comprises a plurality of touch induction sub-electrodes formed by the metal materials, wherein the touch driving sub-electrodes and the touch induction sub-electrodes are mutually independent; the plurality of touch driving sub-electrodes are connected in parallel through first terminal blocks; and the plurality of touch induction sub-electrodes are connected in parallel through second terminal blocks. Only a two-time composition technology needs to be added on the colored film substrate to form the touch driving electrodes and the touch induction electrodes, so that the touch display panel has the advantages of being simple in technology and easy in implementation. In addition, since the electrode materials are the metal materials, the resistance of an electrode can be effectively lowered, and the electrode is suitable for applying to a middle and large size touch display panels.
Description
Technical field
The present invention relates to display technique field, espespecially a kind of touch-control display panel and display device.
Background technology
At present, along with the development of display technique, display technique is widely used in the display of TV, mobile phone and public information, middle large scale display panel becomes a part important in people's life gradually, simultaneously along with the develop rapidly of display technique, touch-screen (TouchScreenPanel) is gradually in the life of people, pursuing today of excellent experience functions, touch-control performance is a large defect of middle large scale display panel always, or is limited to technology or is limited to cost.
Current embedded touch control panel mainly contains three types: electric resistance touch-control panel, capacitance type touch-control panel, optical touch control panel, corresponding embedded touch technology now tentatively applies in small size display screen, the touch-control performance of its excellence becomes the direction of following touch-control design, therefore, also be the excellent touch-control performance of large scale display panel in realization, provide the direction of effort.And in small size touch-control display panel, usually will by tin indium oxide (IndiumTinOxide on array base palte, be called for short ITO) material formed common electrode layer be divided into touch-control drive electrode and touch-control sensing electrode, touch-control drive electrode now on array base palte and touch-control sensing electrode are electrically connected by via hole with corresponding metal routing respectively, easily noise can be caused like this when liquid crystal deflects, and in order to reduce the impact on display, general employing low-voltage driving, therefore, overall signal to noise ratio (S/N ratio) is lower.If when the program is applied to middle large touch display panel, because ITO resistance is comparatively large, add employing low-voltage driving, signal to noise ratio (S/N ratio) can be made lower, affect touch function, if improve driving voltage can affect Presentation Function again, therefore, this scheme is not suitable for being applied to middle large touch display screen.
Therefore, the excellent touch-control performance of large touch display screen in how realizing is those skilled in the art's technical matterss urgently to be resolved hurrily.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of touch-control display panel and display device, can be formed on color membrane substrates by touch-control drive electrode and touch-control sensing electrode, and technique is simple, is easy to realize, is applicable to being applied to middle large touch display screen.
Therefore, embodiments provide a kind of touch-control display panel, comprising: color membrane substrates, array base palte, and the liquid crystal layer between described color membrane substrates and array base palte;
Described color membrane substrates has at least one touch-control drive electrode arranged along first direction, and the touch-control sensing electrode that at least one is arranged along the second direction vertical with described first direction; Wherein,
Touch-control drive electrode described in each comprises many separate touch-control driven element electrodes formed by metal material; Described in each, many of touch-control drive electrode described touch-control driven element electrodes are connected in parallel by the first connection terminal;
Touch-control sensing electrode described in each comprises many separate touch-control sensing sub-electrodes formed by metal material; Described in each, many of touch-control sensing electrode described touch-control sensing sub-electrodes are connected in parallel by the second connection terminal.
In a kind of possible implementation, in the above-mentioned touch-control display panel that the embodiment of the present invention provides, the multiple described touch-control driven element electrode of touch-control drive electrode described in each is arranged in parallel, and all parallel with described first direction;
The multiple described touch-control sensing sub-electrode of touch-control sensing electrode described in each is arranged in parallel, and all parallel with described second direction.
In a kind of possible implementation, in the above-mentioned touch-control display panel that the embodiment of the present invention provides, between described touch-control drive electrode and touch-control sensing electrode, be provided with black matrix;
Described touch-control driven element electrode and touch-control sensing sub-electrode are all positioned at the region corresponding with described black matrix.
In a kind of possible implementation, in the above-mentioned touch-control display panel that the embodiment of the present invention provides, described first connection terminal and the second connection terminal cover the top of black matrix at least partially.
In a kind of possible implementation, in the above-mentioned touch-control display panel that the embodiment of the present invention provides, the top of described touch-control drive electrode and touch-control sensing electrode is provided with color rete.
In a kind of possible implementation, in the above-mentioned touch-control display panel that the embodiment of the present invention provides, the neighboring area of described array base palte has at least one touch-control drive wire and at least one touch induction lines;
Touch-control drive wire described in each connects with the 3rd corresponding connection terminal; Touch induction lines described in each connects with the 4th corresponding connection terminal;
Described color membrane substrates is connected by multiple contact conducting sphere with between array base palte;
Described first connection terminal is electrically connected by part described contact conducting sphere and described 3rd connection terminal; Described second connection terminal is electrically connected by contact conducting sphere described in remainder and described 4th connection terminal.
In a kind of possible implementation, in the above-mentioned touch-control display panel that the embodiment of the present invention provides, part described touch-control drive wire and the described touch induction lines of part and grid are arranged with layer, and described in touch-control drive wire described in remainder and remainder, touch induction lines and source-drain electrode are arranged with layer.
In a kind of possible implementation, in the above-mentioned touch-control display panel that the embodiment of the present invention provides, described touch-control drive wire and grid are arranged with layer, and described touch induction lines and source-drain electrode are arranged with layer; Or,
Described touch induction lines and grid are arranged with layer, and described touch-control drive wire and source-drain electrode are arranged with layer.
In a kind of possible implementation, in the above-mentioned touch-control display panel that the embodiment of the present invention provides, above described touch-control drive wire or described touch induction lines, be provided with public electrode.
In a kind of possible implementation, in the above-mentioned touch-control display panel that the embodiment of the present invention provides, between described touch-control drive wire and described 3rd connection terminal, be provided with electrostatic-proof protection device; And/or,
Electrostatic-proof protection device is provided with between described touch induction lines and described 4th connection terminal.
The embodiment of the present invention additionally provides a kind of display device, comprises the above-mentioned touch-control display panel that the embodiment of the present invention provides.
The beneficial effect of the embodiment of the present invention comprises:
A kind of touch-control display panel that the embodiment of the present invention provides and display device, comprising: color membrane substrates, array base palte, and the liquid crystal layer between color membrane substrates and array base palte; Color membrane substrates has at least one touch-control drive electrode arranged along first direction, and the touch-control sensing electrode that at least one is arranged along the second direction vertical with first direction; Wherein, each touch-control drive electrode comprises many separate touch-control driven element electrodes formed by metal material; Many touch-control driven element electrodes of each touch-control drive electrode are connected in parallel by the first connection terminal; Each touch-control sensing electrode comprises many separate touch-control sensing sub-electrodes formed by metal material; Many touch-control sensing sub-electrodes of each touch-control sensing electrode are connected in parallel by the second connection terminal.Only need increase by twice patterning processes in the above-mentioned touch-control display panel that the embodiment of the present invention provides and form touch-control drive electrode and touch-control sensing electrode on color membrane substrates, technique is simple, is easy to realize; Further, because the material of touch-control driven element electrode and touch-control sensing sub-electrode is metal material, effectively can reduce resistance, be applicable to being applied to middle large scale display panel; In addition, when finger touch display panel, closely, sensitivity is higher for the distance of touch-control sensing electrode and finger, and induced signal is stronger.
Accompanying drawing explanation
The schematic top plan view of the touch-control display panel that Fig. 1 provides for the embodiment of the present invention;
The schematic top plan view of the color membrane substrates that Fig. 2 a provides for the embodiment of the present invention;
Fig. 2 b is the cross-sectional view of Fig. 2 a along a-a ' direction;
Fig. 2 c is the cross-sectional view of Fig. 2 a along b-b ' direction;
The schematic top plan view of the array base palte that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the touch-control display panel that Fig. 4 provides for the embodiment of the present invention;
Fig. 5 a and Fig. 5 b is respectively the structural representation of the array base palte that the embodiment of the present invention provides.
Embodiment
Below in conjunction with accompanying drawing, the touch-control display panel provide the embodiment of the present invention and the embodiment of display device are described in detail.
Wherein, in accompanying drawing, the thickness of each rete and shape do not reflect the actual proportions of touch-control display panel, and object just signal illustrates content of the present invention.
Embodiments provide a kind of touch-control display panel, comprising: color membrane substrates, array base palte, and the liquid crystal layer between color membrane substrates and array base palte;
As shown in Figure 1, color membrane substrates 1 has at least one touch-control drive electrode 11 arranged along first direction, and at least one the touch-control sensing electrode 12 arranged along the second direction vertical with first direction (the following examples take first direction as transverse direction, second direction is be longitudinally example explanation, it should be noted that, the position of touch-control drive electrode and touch-control sensing electrode can exchange mutually, in this no limit); Wherein,
Each touch-control drive electrode 11 comprises many separate touch-control driven element electrodes 111 formed by metal material; Many touch-control driven element electrodes 111 of each touch-control drive electrode 11 are connected in parallel by the first connection terminal 112;
Each touch-control sensing electrode 12 comprises many separate touch-control sensing sub-electrodes 121 formed by metal material; Many touch-control sensing sub-electrodes 121 of each touch-control sensing electrode 12 are connected in parallel by the second connection terminal 122.
In the above-mentioned touch-control display panel that the embodiment of the present invention provides, only need increase by twice patterning processes and form touch-control drive electrode and touch-control sensing electrode on color membrane substrates, technique is simple, is easy to realize; Further, because the material of touch-control driven element electrode and touch-control sensing sub-electrode is metal material, and be connected in parallel by connection terminal, effectively can reduce resistance; In addition, when finger touch display panel, closely, sensitivity is higher for the distance of touch-control sensing electrode and finger, and induced signal is stronger.
In the specific implementation, in the above-mentioned touch-control display panel that the embodiment of the present invention provides, as shown in Figure 1, multiple touch-control driven element electrodes 111 of each touch-control drive electrode 11 are arranged in parallel, and multiple touch-control driven element electrode 111 can be all parallel with first direction; Multiple touch-control sensing sub-electrodes 121 of each touch-control sensing electrode 12 are arranged in parallel, and multiple touch-control sensing sub-electrode 121 can be all parallel with second direction.
In the specific implementation, in the above-mentioned touch-control display panel that the embodiment of the present invention provides, in order to prevent touch-control drive electrode and touch-control sensing electric pole short circuit, particularly, as shown in Figure 2 a, black matrix 13 can be provided with between touch-control drive electrode 11 and touch-control sensing electrode 12; Touch-control driven element electrode 111 and touch-control sensing sub-electrode 121 all can be positioned at the region corresponding with black matrix 13, so just can ensure the aperture opening ratio of touch-control display panel.
Further, in the specific implementation, in the above-mentioned touch-control display panel that the embodiment of the present invention provides, as shown in Figure 2 a, the first connection terminal 112 and the second connection terminal 122 cover the top of black matrix 13 at least partially.Illustrate, as shown in Figure 2 c, a wherein part for first connection terminal 112 covers the top of black matrix 13, another part and the touch-control driven element electrode 111 below it are directly electrical connected, so both can play the effect that light blocks, and ensure the aperture opening ratio of touch-control display panel, metal can be prevented again too much exposed outside black matrix, reduce color membrane substrates edge metal visual, realize narrow frame.Particularly, as shown in Figure 2 a, first connection terminal 112, second connection terminal 122 and touch-control sensing sub-electrode 121 can with the same materials of layer, that is, in manufacture craft, can be formed the figure of the first connection terminal, the second connection terminal and touch-control sensing sub-electrode by same patterning processes, manufacture craft is simple, saves cost.
In the specific implementation, in the above-mentioned touch-control display panel that the embodiment of the present invention provides, in order to prevent touch-control drive electrode and touch-control sensing from coming off, particularly, as shown in Figure 2 a and 2 b, the top of touch-control drive electrode 11 and touch-control sensing electrode 12 can be provided with color rete 14.Blue B optical filter in the color rete that the top that Fig. 2 a and Fig. 2 b illustrate only touch-control drive electrode 11 and touch-control sensing electrode 12 is arranged and red R optical filter, color rete can also comprise the different optical filter of other colors, attached not shown, for the setting of the arrangement mode of the optical filter of different colours, in this no limit.
Particularly, in the specific implementation, in the above-mentioned touch-control display panel that the embodiment of the present invention provides, in order to prevent signal cross-talk, as shown in Figure 3, the neighboring area (region except except AA district, viewing area) of array base palte 2 is provided with at least one touch-control drive wire 21 and at least one touch induction lines 22, and each touch-control drive wire 21 connects with the 3rd corresponding connection terminal 211; Each touch induction lines 22 connects with the 4th corresponding connection terminal 221.For the width of touch-control drive wire and touch induction lines, can determine as the case may be, in this no limit.As shown in Figure 4, this touch-control display panel comprises: color membrane substrates 1, array base palte 2, and the liquid crystal layer 3 between color membrane substrates 1 and array base palte 2, in order to realize color membrane substrates 1 and array base palte 2 conducting, can be connected by multiple contact conducting sphere 4 between color membrane substrates 1 with array base palte 2, now, the first connection terminal 112 can passage point contact conducting sphere 4 and the 3rd connection terminal 211 be electrically connected, second connection terminal can be electrically connected (not shown in Fig. 4) by remainder contact conducting sphere and the 4th connection terminal, again due to the first connection terminal 112, second connection terminal (not shown in Fig. 4) all covers the top of black matrix 13, first connection terminal and the second connection terminal keep same level, 3rd connection terminal and the 4th connection terminal keep same level again simultaneously, can ensure that the decrement of each contact conducting sphere is identical like this, there is identical conductance, and then guarantee yield, and, can ensure that each touch-control drive electrode is electrical connected with corresponding touch-control drive wire, and each touch-control sensing electrode is electrical connected with corresponding touch induction lines, touch-control display panel is made to affect by liquid crystal deflection so little, noise is low, signal to noise ratio (S/N ratio) is higher, be applicable to being applied to middle large touch display panel.
In the specific implementation, in the above-mentioned touch-control display panel that the embodiment of the present invention provides, in order to reduce touch-control cabling interval, realize narrow frame, improve the utilization factor of display panel, as shown in figure 5 a and 5b, the present invention can adopt the mode of two-layer wiring for the distribution of touch-control drive wire 21 and touch induction lines 22, below enumerates several embodiment:
Particularly, in a first embodiment, as shown in Figure 5 a, part touch-control drive wire 21 and part touch induction lines 22 are arranged with layer with grid, remainder touch-control drive wire 21 and remainder touch induction lines 22 are arranged with layer with source-drain electrode, now, there is between grid and source-drain electrode insulation course 5, there is above source-drain electrode passivation layer 6.
Particularly, in the second embodiment, as shown in Figure 5 b, whole touch-control drive wires 21 is arranged with layer with grid, and whole touch induction lines 22 is arranged with layer with source-drain electrode, now, have insulation course 5 between grid and source-drain electrode, the top of source-drain electrode has passivation layer 6.
Particularly, in the third embodiment, as shown in Figure 5 b, whole touch induction lines 22 is arranged with layer with grid, and whole touch-control drive wires 21 is arranged with layer with source-drain electrode, now, have insulation course 5 between grid and source-drain electrode, the top of source-drain electrode has passivation layer 6.
These three kinds of embodiments are two-layer wiring, can reduce cabling interval, realize narrow frame, specifically choose which kind of embodiment, determine as the case may be, in this no limit.
Further, in the specific implementation, the above-mentioned touch-control display panel provided in the embodiment of the present invention can be applied to superelevation level super dimension field switch (HighAdvancedSuperDimensionSwitch, HADS) in type liquid crystal panel, particularly, pixel electrode in array base palte is positioned at lower floor's (closer to underlay substrate) as plate electrode, public electrode is positioned at upper strata (closer to liquid crystal layer) as gap electrode, namely pixel electrode is positioned at the below of public electrode, between pixel electrode and public electrode, be provided with insulation course; Now, as shown in Figure 5 b, public electrode 7 can be provided with above touch-control drive wire 21 or touch induction lines 22, like this, public electrode 7 can play the effect of shielding to touch-control drive wire 21 or touch induction lines 22, and then can omit isolation cabling, realizes narrow frame.
In the specific implementation, in the above-mentioned touch-control display panel that the embodiment of the present invention provides, in order to have anti-static ability better, between touch-control drive wire and the 3rd connection terminal, electrostatic-proof protection device can be provided with; And/or, can electrostatic-proof protection device be provided with between touch induction lines and the 4th connection terminal.
In the specific implementation, array base palte in the touch-control display panel that the embodiment of the present invention provides generally also can have other film layer structures such as such as pixel electrode layer, semiconductor layer, flatness layer, and also the structures such as thin film transistor (TFT), grid line, data line, public electrode wire are generally formed with on underlay substrate, these concrete structures can have multiple implementation, do not limit at this.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of display device, comprise the above-mentioned touch-control display panel that the embodiment of the present invention provides, this display device can be: any product or parts with Presentation Function such as mobile phone, panel computer, televisor, display, notebook computer, digital album (digital photo frame), navigating instrument.Other requisite ingredient for this display device is and will be understood by those skilled in the art that to have, and does not repeat at this, also should as limitation of the present invention.The enforcement of this display device see the embodiment of above-mentioned touch-control display panel, can repeat part and repeats no more.
A kind of touch-control display panel that the embodiment of the present invention provides and display device, comprising: color membrane substrates, array base palte, and the liquid crystal layer between color membrane substrates and array base palte; Color membrane substrates has at least one touch-control drive electrode arranged along first direction, and the touch-control sensing electrode that at least one is arranged along the second direction vertical with first direction; Wherein, each touch-control drive electrode comprises many separate touch-control driven element electrodes formed by metal material; Many touch-control driven element electrodes of each touch-control drive electrode are connected in parallel by the first connection terminal; Each touch-control sensing electrode comprises many separate touch-control sensing sub-electrodes formed by metal material; Many touch-control sensing sub-electrodes of each touch-control sensing electrode are connected in parallel by the second connection terminal.Only need increase by twice patterning processes in the above-mentioned touch-control display panel that the embodiment of the present invention provides and form touch-control drive electrode and touch-control sensing electrode on color membrane substrates, technique is simple, is easy to realize; Further, because the material of touch-control driven element electrode and touch-control sensing sub-electrode is metal material, effectively can reduce resistance, be applicable to being applied to middle large scale display panel; In addition, when finger touch display panel, closely, sensitivity is higher for the distance of touch-control sensing electrode and finger, and induced signal is stronger.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (11)
1. a touch-control display panel, comprising: color membrane substrates, array base palte, and the liquid crystal layer between described color membrane substrates and array base palte; It is characterized in that,
Described color membrane substrates has at least one touch-control drive electrode arranged along first direction, and the touch-control sensing electrode that at least one is arranged along the second direction vertical with described first direction; Wherein,
Touch-control drive electrode described in each comprises many separate touch-control driven element electrodes formed by metal material; Described in each, many of touch-control drive electrode described touch-control driven element electrodes are connected in parallel by the first connection terminal;
Touch-control sensing electrode described in each comprises many separate touch-control sensing sub-electrodes formed by metal material; Described in each, many of touch-control sensing electrode described touch-control sensing sub-electrodes are connected in parallel by the second connection terminal.
2. touch-control display panel as claimed in claim 1, it is characterized in that, the multiple described touch-control driven element electrode of touch-control drive electrode described in each is arranged in parallel, and all parallel with described first direction;
The multiple described touch-control sensing sub-electrode of touch-control sensing electrode described in each is arranged in parallel, and all parallel with described second direction.
3. touch-control display panel as claimed in claim 2, is characterized in that, be provided with black matrix between described touch-control drive electrode and touch-control sensing electrode;
Described touch-control driven element electrode and touch-control sensing sub-electrode are all positioned at the region corresponding with described black matrix.
4. touch-control display panel as claimed in claim 3, it is characterized in that, described first connection terminal and the second connection terminal cover the top of black matrix at least partially.
5. touch-control display panel as claimed in claim 2, it is characterized in that, the top of described touch-control drive electrode and touch-control sensing electrode is provided with color rete.
6. touch-control display panel as claimed in claim 1, it is characterized in that, the neighboring area of described array base palte has at least one touch-control drive wire and at least one touch induction lines;
Touch-control drive wire described in each connects with the 3rd corresponding connection terminal; Touch induction lines described in each connects with the 4th corresponding connection terminal;
Described color membrane substrates is connected by multiple contact conducting sphere with between array base palte;
Described first connection terminal is electrically connected by part described contact conducting sphere and described 3rd connection terminal; Described second connection terminal is electrically connected by contact conducting sphere described in remainder and described 4th connection terminal.
7. touch-control display panel as claimed in claim 6, it is characterized in that, part described touch-control drive wire and the described touch induction lines of part and grid are arranged with layer, and described in touch-control drive wire described in remainder and remainder, touch induction lines and source-drain electrode are arranged with layer.
8. touch-control display panel as claimed in claim 6, it is characterized in that, described touch-control drive wire and grid are arranged with layer, and described touch induction lines and source-drain electrode are arranged with layer; Or,
Described touch induction lines and grid are arranged with layer, and described touch-control drive wire and source-drain electrode are arranged with layer.
9. touch-control display panel as claimed in claim 7 or 8, is characterized in that, above described touch-control drive wire or described touch induction lines, be provided with public electrode.
10. touch-control display panel as claimed in claim 6, is characterized in that, be provided with electrostatic-proof protection device between described touch-control drive wire and described 3rd connection terminal; And/or,
Electrostatic-proof protection device is provided with between described touch induction lines and described 4th connection terminal.
11. 1 kinds of display device, is characterized in that, comprise the touch-control display panel as described in any one of claim 1-10.
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| CN201510549008.8A CN105045433B (en) | 2015-08-31 | 2015-08-31 | A kind of touch-control display panel and display device |
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| CN105045433B (en) | 2016-08-24 |
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