CN104461164A - Touch display panel and touch display device - Google Patents
Touch display panel and touch display device Download PDFInfo
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- CN104461164A CN104461164A CN201510004830.6A CN201510004830A CN104461164A CN 104461164 A CN104461164 A CN 104461164A CN 201510004830 A CN201510004830 A CN 201510004830A CN 104461164 A CN104461164 A CN 104461164A
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- electrode
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- control display
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a touch display panel and a touch display device. The touch display panel comprises an array base plate and a color film base plate. The array base plate comprises a first substrate, wherein a first electrode extending in a first direction is arranged on the surface, away from the color film base plate, of the first substrate; the color film base plate comprises a second substrate, wherein second electrodes extending in a second direction are formed on the surface, facing the array base plate, of the second substrate, one of the first electrode and the second electrodes is a touch scanning electrode, and the other of the first electrode and the second electrodes is a touch sensing electrode. According to the technical scheme, the first electrode is arranged on the surface, away from the color film base plate, of the first substrate, natural light transmitted to the first electrode is reduced greatly, natural light generating specular reflection on the surface of the first electrode is greatly reduced correspondingly, the image of the first electrode is difficult to form in the human eyes, that is to say, the human eyes can not observe the first electrode in the touch display panel, and therefore the purpose of shadow elimination is achieved.
Description
Technical field
The present invention relates to display technique field, particularly a kind of touch-control display panel and touch control display apparatus.
Background technology
At present, by the trend that touch module and the integration of display module are following industry developments, it has intuitive display, simple and quick, display effect good, processing technology is simple, the good advantage of display effect, is used in the consumption electronic products such as mobile phone, panel computer, omniselector in a large number.
Fig. 1 is the schematic cross-section of touch-control display panel of the prior art, as shown in Figure 1, this touch-control display panel comprises: the array base palte 1 be oppositely arranged and color membrane substrates 2, for realizing touch controllable function, the first electrode 3 extended along first direction is formed on the surface of color membrane substrates 2 array base palte 1 dorsad, on the surface of array base palte 1, the second electrode 4 extended along second direction is formed at color membrane substrates 2, one in first electrode 3 and the second electrode 4 is touch-control scan electrode, and another is touch-control sensing electrode.
In the touch-control stage, first electrode 3 and the second electrode 4 are formed with mutual capacitance in crossover position, when human finger touches this panel, the mutual capacitance at corresponding crossover position place can send change, detecting unit now in touch-control display panel detects that mutual capacitance sends the region of change, thus can judge the position of touch point.
But, in actual use, because a large amount of natural lights can be transmitted through the first electrode place, and produce transmitting at the first electrode surface, thus the image of the first electrode can be formed in human eye, namely human eye can observe the first electrode in touch-control display panel, and then the experience sense of user is declined.
Summary of the invention
The invention provides a kind of touch-control display panel and touch control display apparatus, for solving user's technical matters that in touch-control display panel, the image of electrode causes the experience sense of user to decline when using touch-control display panel.
For achieving the above object, the invention provides a kind of touch-control display panel, comprising: the array base palte be oppositely arranged and color membrane substrates;
Described array base palte comprises: the first substrate, is formed with at least one first electrode extended along first direction on the surface of described first substrate described color membrane substrates dorsad;
Described color membrane substrates comprises: the second substrate, and described second substrate is formed with at least one second electrode extended along second direction on the surface of described array base palte;
One in described first electrode and described second electrode is touch-control scan electrode, and another is touch-control sensing electrode.
Alternatively, described array base palte also comprises: the first polaroid;
Described first electrode is between described first substrate and described first polaroid;
Or described first polaroid is between described first substrate and described first electrode.
Alternatively, described array base palte also comprises: be positioned at described first substrate towards the grid line on the surface of described color membrane substrates and data line, described grid line and described data line limit pixel cell;
The projection on the first substrate of described first electrode and the projection of described second electrode on described first substrate are formed with overlapping region, and the projection of described pixel cell on described first substrate is positioned at outside described overlapping region.
Alternatively, described first electrode is strip shaped electric poles or mesh electrode.
Alternatively, when described first electrode is strip shaped electric poles, described first electrode is corresponding with described grid line or data line to be arranged.
Alternatively, when described first electrode is mesh electrode, the mesh of described first electrode is corresponding with described pixel cell to be arranged.
Alternatively, described color membrane substrates also comprises: be positioned at described second substrate towards the optical filter figure on the surface of described array base palte and black Matrix Pattern;
Described black Matrix Pattern is between described optical filter figure.
Alternatively, described black Matrix Pattern comprises: at least one black matrix spirte extended along second direction, and described black matrix spirte is as described second electrode.
Alternatively, described color membrane substrates also comprises: public electrode, and described public electrode comprises: at least one public sub-electrode extended along second direction, and described public sub-electrode is as described second electrode.
For achieving the above object, the present invention also provides a kind of touch control display apparatus, comprising: touch-control display panel, and described touch-control display panel adopts above-mentioned touch-control display panel.
The present invention has following beneficial effect:
The invention provides a kind of touch-control display panel and touch control display apparatus, this touch-control display panel comprises: the array base palte be oppositely arranged and color membrane substrates, wherein, array base palte comprises: the first substrate, at least one first electrode extended along first direction is formed on the surface of the first substrate color membrane substrates dorsad, color membrane substrates comprises: the second substrate, second substrate is formed with at least one second electrode extended along second direction on the surface of array base palte, one in first electrode and the second electrode is touch-control scan electrode, another is touch-control sensing electrode.Technical scheme of the present invention is by the surface that the first electrode is arranged on the first substrate color membrane substrates dorsad, the natural light being now transmitted through the first electrode place will reduce greatly, correspondingly, the natural light producing mirror-reflection at the first electrode surface also greatly reduces, therefore in human eye, be difficult to the image of formation first electrode, namely human eye cannot observe the first electrode in touch-control display panel, thus reaches the object of " disappear shadow ".
Accompanying drawing explanation
Fig. 1 is the schematic cross-section of touch-control display panel of the prior art;
The schematic cross-section of the touch-control display panel that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is a kind of structural representation of the first electrode in the embodiment of the present invention;
Fig. 4 is another structural representation of the first electrode in the embodiment of the present invention;
Fig. 5 is a kind of structural representation of the black Matrix Pattern in the embodiment of the present invention;
Fig. 6 is another structural representation of the black Matrix Pattern in the embodiment of the present invention;
The schematic cross-section of color membrane substrates of Fig. 7 for providing in the embodiment of the present invention.
Embodiment
For making those skilled in the art understand technical scheme of the present invention better, below in conjunction with accompanying drawing, touch-control display panel provided by the invention and touch control display apparatus are described in detail.
The schematic cross-section of a kind of touch-control display panel that Fig. 2 provides for the embodiment of the present invention, as shown in Figure 2, this touch-control display panel comprises: the array base palte 1 be oppositely arranged and color membrane substrates 2, array base palte 1 comprises: the first substrate 5, at least one first electrode 3 (the first electrode 3 is in the below of the first substrate 5 in fig. 2) extended along first direction is formed on the surface of the first substrate 5 color membrane substrates 2 dorsad, color membrane substrates 2 comprises: the second substrate 6, second substrate 6 is formed with at least one second electrode 4 (the second electrode 4 is in the below of the second substrate 6 in fig. 2) extended along second direction on the surface of array base palte 1, one in first electrode 3 and the second electrode 4 is touch-control scan electrode, another is touch-control sensing electrode.
It should be noted that, be horizontal direction in the present embodiment with first direction, and second direction is vertical direction is that example is described.
Compared with prior art, first electrode 3 is arranged on the surface of the first substrate 5 color membrane substrates 2 dorsad by the technical scheme of the present embodiment, the natural light being now transmitted through the first electrode 3 place will reduce greatly, correspondingly, the natural light producing mirror-reflection on the first electrode 3 surface also greatly reduces, in human eye, be now difficult to the image of formation first electrode 3, namely human eye cannot observe the first electrode 3 in touch-control display panel, therefore, technical scheme of the present invention also reaches the object of " disappear shadow " while ensure that original touch controllable function.
Alternatively, array base palte 1 also comprises: the first polaroid 7, first electrode 3 is between the first substrate 5 and the first polaroid 7.The present embodiment is by being arranged between the first substrate 5 and the first polaroid 7 by the first electrode 3; the first polaroid 7 can be effectively utilized to protect the first electrode 3; avoid the first electrode 3 in the follow-up preparation flow of panel to be scratched, thus the yields of producing line can be improved.
It should be noted that, the scheme be arranged between the first substrate 5 and the first polaroid 7 with regard to the first electrode 3 is the preferred embodiment of the present embodiment, and this can't produce restriction to the technical scheme of the application.In the present embodiment, also the first polaroid 7 can be arranged between the first substrate 5 and the first electrode 3, this kind of situation does not provide corresponding accompanying drawing.
Alternatively, array base palte 1 also comprises: be positioned at the first substrate 5 towards the grid line on the surface of color membrane substrates 2 and data line, grid line and data line limit pixel cell, pixel cell comprises: thin film transistor (TFT) and pixel electrode, pixel cell is used for carrying out pixel display, the projection of the first electrode 3 on the first substrate 5 and the projection of the second electrode 4 on the first substrate 5 are formed with overlapping region, and the projection of pixel cell on the first substrate 5 is positioned at outside overlapping region.
It should be noted that, in the present embodiment, the routine arranging this area of grid line, data line, thin film transistor (TFT) and pixel electrode is arranged, and is not described in detail herein.
Be touch-control scan electrode for the first electrode 3 below, the course of work of the touch-control display panel that the present embodiment provides is described.In the present embodiment, the course of work of this touch-control display panel comprises: display stage and touch-control stage, and in the display stage, grid line controls thin film transistor (TFT) and opens, and data voltage is write to pixel electrode by data line, thus realizes picture display.In the touch-control stage, all load signal is not had in grid line and data line, memory capacitance charges the data voltage maintained in pixel electrode to pixel electrode, and then maintain picture display, now the first electrode 3 starts to carry out touch-control scanning, and forms mutual capacitance at the overlapping region of the first electrode 3 and the second electrode 4.If there is pixel electrode in the overlapping region of the first electrode 3 and the second electrode 4, and when being loaded with data voltage in this pixel electrode, then this pixel electrode can impact to the mutual capacitance between the first electrode 3 and the second electrode 4.Simultaneously, because the data voltage of pixel electrode in each cycle (comprising a display stage and a touch-control stage) is different, then pixel electrode is also different on the impact of the mutual capacitance of corresponding position in each cycle, now detecting unit cannot detect the change of mutual capacitance between the first electrode 3 and the second electrode 4, thus cannot judge the position of touch point.Therefore, for avoiding pixel electrode in pixel cell on the impact of mutual capacitance between the first electrode 3 and the second electrode 4, in the present embodiment, pixel cell is arranged on outside overlapping region.
Fig. 3 is a kind of structural representation of the first electrode in the embodiment of the present invention, as shown in Figure 3, as a kind of possibility of the array base palte 1 in the present embodiment, the first electrode 3 is strip shaped electric poles, extending along first direction (horizontal direction X) of this strip electrode.Further, this strip electrode is corresponding with grid line is arranged.In the present embodiment, when the first electrode 3 be set to strip shaped electric poles and the first electrode 3 is corresponding with grid line arrange time, now can ensure overlapping region between the first electrode 3 and the second electrode 4 scarcely can and pixel cell between exist overlapping.
It should be noted that, when first direction is vertical direction, and the first electrode 3 is when being strip electrode, first electrode 3 can correspondingly with data line be arranged, now also can realize overlapping region between the first electrode 3 and the second electrode 4 scarcely can and pixel cell between exist overlapping, this kind of situation does not provide corresponding accompanying drawing.
Fig. 4 is another structural representation of the first electrode in the embodiment of the present invention, as shown in Figure 4, as another possibility of the array base palte 1 in the present embodiment, the first electrode 3 is mesh electrode, and this mesh electrode extends along first direction (horizontal direction X).Further, the mesh 8 of this mesh electrode is corresponding with pixel cell is arranged.In the present embodiment, when the first electrode 3 be set to mesh electrode and the mesh 8 of the first electrode 3 is corresponding with pixel electrode arrange time, now also can ensure overlapping region between the first electrode 3 and the second electrode 4 scarcely can and pixel cell between exist overlapping.
It should be noted that, in Fig. 4, the situation of netted corresponding two row pixel cells of the first electrode 3 only plays the effect of exemplary, and this can't produce restriction to the technical scheme of the application.
As a kind of possibility of the color membrane substrates 2 in the present embodiment, color membrane substrates 2 also comprises: be positioned at the second substrate 6 towards the optical filter figure on the surface of array base palte 1 and black Matrix Pattern, black Matrix Pattern is between optical filter figure, further, black Matrix Pattern comprises: at least one black matrix spirte extended along second direction, and black matrix spirte is as the second electrode 4.In this scenario, the material of black Matrix Pattern is necessary for conduction and can the material of shading, such as metal material.
Be described in detail below in conjunction with the structure of accompanying drawing to Matrix Pattern black in the present embodiment.Fig. 5 is a kind of structural representation of the black Matrix Pattern in the embodiment of the present invention, as shown in Figure 5, this black Matrix Pattern comprises several black matrix spirte 9a extended along second direction (vertical direction Y), insulated from each other between adjacent two black matrix spirte 9a, these black matrix spirte 9a can when the touch-control stage as the second electrode 4.It should be noted that, the black matrix spirte in the present invention in black Matrix Pattern is not limited only to the structure shown in Fig. 5, and in the present invention, black matrix spirte can also be other structure.Such as, Fig. 6 is another structural representation of the black Matrix Pattern 9 in the embodiment of the present invention, as shown in Figure 6, this black Matrix Pattern 9 comprises the strip black matrix spirte 9b and netted black matrix spirte 9c, these strips black matrix spirte 9b that extend along second direction (vertical direction Y) and netted black matrix spirte all can be used as the second electrode 4.
As a kind of possibility of the color membrane substrates 2 in the present embodiment, the schematic cross-section of color membrane substrates 2 of Fig. 7 for providing in the embodiment of the present invention, this color membrane substrates 2 not only comprises optical filter figure R/G/B and black Matrix Pattern 9, also comprise public electrode 10, public electrode 10 is positioned at the top of optical filter figure R/G/B, this public electrode 10 comprises: at least one public sub-electrode 10a extended along second direction, insulated from each other between adjacent two public sub-electrode 10a, these public sub-electrodes 10 can be used as the second electrode 4 when the touch-control stage.It should be noted that, in the color membrane substrates shown in Fig. 7, the material of this black Matrix Pattern 9 is insulating material.
In technique scheme, by the mode of " timesharing ", the black matrix spirte 9a/9b/9c in black the Matrix Pattern 9 or public sub-electrode 10a in public electrode 10 was used as the second electrode 4 when the touch-control stage, thus without the need to arranging separately the second electrode 4 in touch-control display panel, and then the integral thickness of panel can be effectively reduced, the production cost of panel can also be reduced simultaneously.
It should be noted that, the first electrode 3 in Fig. 3 or Fig. 4 can be carried out corresponding combination to realize touch controllable function to the second electrode 4 in Fig. 5, Fig. 6 or Fig. 7 in the present embodiment, these assembled scheme the present embodiment are not described in detail.
In addition, above-mentioned black Matrix Pattern or public electrode are carried out the multiplexing preferred enforcement being the present embodiment using the embodiment as the second electrode, this can't produce restriction to technical scheme of the present invention.In the present invention, also independent on color membrane substrates the second electrode can be set, such as, the second electrode can be set between the second substrate and black Matrix Pattern (insulating material formation).Need to further illustrate, when the second electrode arranged separately is adjacent with public electrode, also need to arrange an insulation course between the second electrode and public electrode.For the above-mentioned situation arranging the second electrode independent on color membrane substrates, specifically describe no longer one by one herein.
Embodiments provide a kind of touch-control display panel, this touch-control display panel comprises: the array base palte be oppositely arranged and color membrane substrates, wherein, array base palte comprises: the first substrate, at least one first electrode extended along first direction is formed on the surface of the first substrate color membrane substrates dorsad, color membrane substrates comprises: the second substrate, second substrate is formed with at least one second electrode extended along second direction on the surface of array base palte, one in first electrode and the second electrode is touch-control scan electrode, and another is touch-control sensing electrode.The technical scheme of the present embodiment is by the surface that the first electrode is arranged on the first substrate color membrane substrates dorsad, the natural light being now transmitted through the first electrode place will reduce greatly, correspondingly, the natural light producing mirror-reflection at the first electrode surface also greatly reduces, therefore in human eye, be difficult to the image of formation first electrode, namely human eye cannot observe the first electrode in touch-control display panel, thus reaches the object of " disappear shadow ".
The embodiment of the present invention additionally provides a kind of touch control display apparatus, this touch control display apparatus comprises: touch-control display panel, this touch-control display panel adopts the touch-control display panel in above-described embodiment, and particular content see the description in above-described embodiment, can repeat no more herein.
Be understandable that, the illustrative embodiments that above embodiment is only used to principle of the present invention is described and adopts, but the present invention is not limited thereto.For those skilled in the art, without departing from the spirit and substance in the present invention, can make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (10)
1. a touch-control display panel, is characterized in that, comprising: the array base palte be oppositely arranged and color membrane substrates;
Described array base palte comprises: the first substrate, is formed with at least one first electrode extended along first direction on the surface of described first substrate described color membrane substrates dorsad;
Described color membrane substrates comprises: the second substrate, and described second substrate is formed with at least one second electrode extended along second direction on the surface of described array base palte;
One in described first electrode and described second electrode is touch-control scan electrode, and another is touch-control sensing electrode.
2. touch-control display panel according to claim 1, is characterized in that, described array base palte also comprises: the first polaroid;
Described first electrode is between described first substrate and described first polaroid;
Or described first polaroid is between described first substrate and described first electrode.
3. touch-control display panel according to claim 1, is characterized in that, described array base palte also comprises: be positioned at described first substrate towards the grid line on the surface of described color membrane substrates and data line, described grid line and described data line limit pixel cell;
The projection on the first substrate of described first electrode and the projection of described second electrode on described first substrate are formed with overlapping region, and the projection of described pixel cell on described first substrate is positioned at outside described overlapping region.
4. touch-control display panel according to claim 3, is characterized in that, described first electrode is strip shaped electric poles or mesh electrode.
5. touch-control display panel according to claim 4, is characterized in that, when described first electrode is strip shaped electric poles, described first electrode is corresponding with described grid line or data line to be arranged.
6. touch-control display panel according to claim 4, is characterized in that, when described first electrode is mesh electrode, the mesh of described first electrode is corresponding with described pixel cell to be arranged.
7. according to described touch-control display panel arbitrary in claim 3-6, it is characterized in that, described color membrane substrates also comprises: be positioned at described second substrate towards the optical filter figure on the surface of described array base palte and black Matrix Pattern, described black Matrix Pattern is between described optical filter figure.
8. touch-control display panel according to claim 7, is characterized in that, described black Matrix Pattern comprises: at least one black matrix spirte extended along second direction, and described black matrix spirte is as described second electrode.
9. touch-control display panel according to claim 7, is characterized in that, described color membrane substrates also comprises: public electrode, and described public electrode comprises: at least one public sub-electrode extended along second direction, and described public sub-electrode is as described second electrode.
10. a touch control display apparatus, is characterized in that, comprising: arbitrary described touch-control display panel in the claims 1-9.
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| CN201510004830.6A CN104461164A (en) | 2015-01-06 | 2015-01-06 | Touch display panel and touch display device |
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| CN201510004830.6A CN104461164A (en) | 2015-01-06 | 2015-01-06 | Touch display panel and touch display device |
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| CN108304096A (en) * | 2018-03-15 | 2018-07-20 | 京东方科技集团股份有限公司 | The tactile method of touch control component and preparation method thereof, touch control display apparatus and damp proof mistake |
| CN108431742A (en) * | 2016-11-30 | 2018-08-21 | 京东方科技集团股份有限公司 | Touch base plate and its manufacturing method, display panel and display device |
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