CN103699282A - Touch display device - Google Patents
Touch display device Download PDFInfo
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- CN103699282A CN103699282A CN201310718349.4A CN201310718349A CN103699282A CN 103699282 A CN103699282 A CN 103699282A CN 201310718349 A CN201310718349 A CN 201310718349A CN 103699282 A CN103699282 A CN 103699282A
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Abstract
Provided is a touch display device. A grid electrode scanning line is utilized to perform touch scanning instead of a touch scanning line.
Description
Technical field
The invention relates to a kind of electronic installation, and particularly relevant for a kind of touch control display apparatus.
Background technology
Along with the technical development of contact surface plate (touch panel), contact surface plate is the screen of widespread use electronic installation, for example mobile phone, mobile computer or flat computer.The action that contact surface plate can allow user input more easily or operate, makes its User's Interface humanized and convenient.
Contact panel is divided into electric resistance touch-control panel, capacitance type touch-control panel, optical touch control panel, sound wave type contact panel and electromagnetic touch-control panel haply according to the difference of its sensing mode.Because capacitance type touch-control panel has, the reaction time is fast, fiduciary level is good and durability advantages of higher, and therefore, capacitance type touch-control panel is widely used in electronic product.
Capacitance type touch-control panel is via finger or conductive material is close or touching contact panel, and the capacitance of contact panel is changed.When touch panel detection arrives capacitance variation, just can judge the position that finger or conductive material are close or touch, and carry out the corresponding feature operation of touch position.Generally speaking, the electrode structure of capacitance type touch-control panel comprises a plurality of receiving electrodes and a plurality of drive electrode.In practical application, drive electrode system drives signal in order to receive, to drive contact panel to carry out sensing to user's touching.Receiving electrode system is in order to produce the sensing signal corresponding to user's touching.
Though the framework of known capacitance type touch-control panel can meet user's user demand, so, due to for fabricator, still hope for and do not affecting under the prerequisite of product quality, can further reduce the manufacturing cost of capacitance type touch-control panel, to obtain more profit.
Summary of the invention
The invention provides a kind of touch control display apparatus, can reduce the production cost of touch control display apparatus and improve and produce yield.
Touch control display apparatus of the present invention, comprises many controlling grid scan lines, scanning line driving unit, touch-control electrode pattern layer and control module.Wherein scanning line driving unit couples above-mentioned a plurality of controlling grid scan line, drives above-mentioned a plurality of controlling grid scan line.Touch-control electrode pattern layer comprises a plurality of electrode patterns.Control module couples the formed a plurality of electrode serials of above-mentioned a plurality of electrode pattern and scanning line driving unit, with the above-mentioned a plurality of controlling grid scan lines of gated sweep line drive unit drives, and from the corresponding electrode pattern of driven controlling grid scan line, receive the touch sense signals of corresponding input tool, and judge according to this position of touch of input tool.
In one embodiment of this invention, above-mentioned control module comprises active array substrate, touch-control chip and time schedule controller.Wherein active array substrate is disposed at touch-control electrode pattern layer below, and above-mentioned a plurality of controlling grid scan lines are arranged on active array substrate.Touch-control chip couples above-mentioned a plurality of electrode serial.Time schedule controller couples scanning line driving unit and touch-control chip, with gated sweep line driver element, sequentially drive above-mentioned a plurality of controlling grid scan line, and control touch-control chip according to the driving sequential sensing touch sense signals of above-mentioned a plurality of controlling grid scan lines, and judge according to this position of touch of input tool.
In one embodiment of this invention, above-mentioned each electrode pattern forms touch-control sensing unit with corresponding at least one controlling grid scan line, and above-mentioned a plurality of touch-control sensing units produce corresponding touch sense signals in order to respond to the touch-control of input tool.
In one embodiment of this invention, the controlling grid scan line of the corresponding varying number of above-mentioned each electrode pattern.
In one embodiment of this invention, the controlling grid scan line of the above-mentioned corresponding equal number of electrode pattern part, the controlling grid scan line of the corresponding varying number of part.
In one embodiment of this invention, above-mentioned touch control display apparatus, more comprises chromatic filter layer and many touch-control electrode wires.Wherein chromatic filter layer is disposed between active array substrate and touch-control electrode pattern layer.Many touch-control electrode wires is arranged on chromatic filter layer, each touch-control electrode wires sees through conductive bonding material and is connected to corresponding controlling grid scan line, each electrode pattern forms touch-control sensing unit with corresponding at least one touch-control electrode wires, and above-mentioned a plurality of touch-control sensing units produce corresponding touch sense signals in order to respond to the touch-control of input tool.
In one embodiment of this invention, above-mentioned conductive bonding material comprises elargol, copper glue, carbon paste, Nai meter Yin or conducting polymer composite.
In one embodiment of this invention, the touch-control electrode wires of the corresponding varying number of above-mentioned each electrode pattern.
In one embodiment of this invention, the touch-control electrode wires of the corresponding equal number of above-mentioned electrode pattern part, the touch-control electrode wires of the corresponding varying number of part.
Based on above-mentioned, embodiments of the invention utilize controlling grid scan line to replace touch-control sweep trace to carry out touch-control scanning, so touch-control chip can not must have the function that drives touch-control sweep trace, and can reduce the production cost of touch control display apparatus and improve and produce yield.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate appended graphic being described in detail below.
Accompanying drawing explanation
Fig. 1 illustrates the schematic diagram of the touch control display apparatus of one embodiment of the invention;
Fig. 2 illustrates the driving signal of controlling grid scan line of Fig. 1 embodiment and the waveform schematic diagram of the touch sense signals of electrode serial;
Fig. 3 illustrates the schematic diagram of the touch control display apparatus of another embodiment of the present invention;
Fig. 4 illustrates the driving signal of controlling grid scan line of Fig. 3 embodiment and the waveform schematic diagram of the touch sense signals of electrode serial;
Fig. 5 illustrates the schematic diagram of the touch control display apparatus of another embodiment of the present invention;
Fig. 6 illustrates the schematic diagram of the touch control display apparatus of another embodiment of the present invention.
[primary clustering symbol description]
102: active array substrate
104: touch-control electrode pattern layer
106: scanning line driving unit
108: control module
110: touch-control chip
112: time schedule controller
502: chromatic filter layer
504: conductive bonding material
TP1: electrode pattern
Ga-Gc, Ga1-3, Gb1-3, Gc1-3: controlling grid scan line
X1-X4: electrode serial
P1: position of touch
Fa-Fc, Fa1-3, Fb1-3, Fc1-3: touch-control electrode wires.
Embodiment
The direction term of mentioning in following examples, such as: upper and lower, left and right, front or rear etc., is only the direction with reference to annexed drawings, that is the direction term using is for explanation but not is used for limiting the present invention.
Fig. 1 illustrates the schematic diagram of the touch control display apparatus of one embodiment of the invention, please refer to Fig. 1.Touch control display apparatus comprises active array substrate 102, touch-control electrode pattern layer 104, scanning line driving unit 106 and control module 108.Wherein, active array substrate 102 is disposed at the below of touch-control electrode pattern layer 104, and scanning line driving unit 106 can be integrated on active array substrate 102 as shown in Figure 1, also or be arranged at outside active array substrate 102.On active array substrate 102, be provided with many controlling grid scan line Ga-Gc, many data line (not shown) and a plurality of pixel cell (not shown), each pixel cell couples corresponding controlling grid scan line and data line.In addition, touch-control electrode pattern layer 104 comprises a plurality of electrode pattern TP1, electrode pattern TP1 forms touch-control sensing unit with corresponding controlling grid scan line Ga-Gc, to respond to the touch-control of input tool (such as finger or pointer etc.), produces corresponding touch sense signals.
It should be noted that, in order to keep the graphic succinct while and to highlight the emphasis of this case embodiment, thereby in Fig. 1, do not show the assemblies such as data line, pixel cell, in addition in order to form the controlling grid scan line of touch-control sensing unit, only show typically three controlling grid scan line Ga-Gc, electrode pattern TP1 also only shows 12 and the 4 strip electrode serial X1-X4 that form, in the quantity of practical application top electrode pattern TP1, electrode serial, controlling grid scan line and sensing signal transmission line not as limit.
Specifically, control module 108 can comprise touch-control chip 110 and time schedule controller 112 as shown in Figure 1, and wherein time schedule controller 112 couples touch-control chip 110 and scanning line driving unit 106, and touch-control chip 110 more couples electrode serial X1-X4.Time schedule controller 112 is in order to gated sweep line driver element 106 driving grid sweep trace Ga-Gc sequentially, and control touch-control chip 110 according to the driving sequential sensing touch sense signals of controlling grid scan line Ga-Gc, and the position of touch of the input tool that correctly judges according to this.
For instance, Fig. 2 illustrates the driving signal of controlling grid scan line of Fig. 1 embodiment and the waveform schematic diagram of the touch sense signals of electrode serial, referring to Fig. 1 and Fig. 2.Suppose in the present embodiment, the position of touch of input tool is P1, controlling grid scan line Ga-Gc all driven complete after, in electrode serial X1-X4, only have electrode serial X2 during corresponding controlling grid scan line Ga is driven, to occur the variation of voltage quasi position, thus touch-control chip 110 can to use the position of touch of judging input tool be P1.
Wherein it should be noted that, controlling grid scan line on active array substrate 102 is not all in order to form touch-control sensing unit with electrode pattern TP1, in practical application, can select in the design phase controlling grid scan line and electrode pattern TP1 formation touch-control sensing unit of processing procedure better quality.As only selected in the present embodiment controlling grid scan line Ga-Gc and electrode pattern TP1, form touch-control sensing unit, remaining controlling grid scan line is only for driving pixel cell display frame.Touch-control chip 110 also only carries out the detecting of touch sense signals when selected controlling grid scan line Ga-Gc is driven.
As mentioned above, the present embodiment is by utilizing controlling grid scan line to replace the touch-control sweep trace of known technology to carry out touch-control scanning, therefore touch-control chip 110 can not must have the function that drives touch-control sweep trace, also can not must make circuit and the pin of exporting touch scanning signals, and Miniaturizable touch-control chip 110 reduce its cost of manufacture.In addition, also must not make in addition touch-control sweep trace, therefore can save production cost and improve yield.Again, due to the voltage of the online driving signal of gated sweep higher than the driving signal of general touch-control sweep trace, the accuracy that therefore can improve the touch position identifying of input tool.
Fig. 3 illustrates the schematic diagram of the touch control display apparatus of another embodiment of the present invention, and Fig. 4 illustrates the driving signal of controlling grid scan line of Fig. 3 embodiment and the waveform schematic diagram of the touch sense signals of electrode serial, referring to Fig. 3 and Fig. 4.The difference of the touch control display apparatus of the touch control display apparatus of Fig. 3 embodiment and Fig. 1 embodiment is, in the present embodiment, the corresponding controlling grid scan line of each electrode pattern TP1 increases to three, as controlling grid scan line Ga1-3, Gb1-3 and Gc1-3, the touch sense signals of corresponding controlling grid scan line Ga1-3, Gb1-3 and Gc1-3 can be as shown in Figure 4.So by the corresponding controlling grid scan line of increase electrode pattern TP1, can improve the correctness of the position of touch of judgement input tool, when single controlling grid scan line transmission drives signal to go wrong, still can come activation electrode pattern TP1 and touch-control sensing unit that controlling grid scan line forms to carry out touch-control sensing by other two controlling grid scan lines.The start situation of the touch-control sensing having described in detail due to the touch control display apparatus of Fig. 1 embodiment, this area tool knows that the knowledgeable should push away by the teaching of Fig. 1 embodiment to obtain the operation situation of touch control display apparatus of Fig. 3 embodiment conventionally, thereby does not repeat them here.
In addition, should be noted, in part embodiment, electrode pattern TP1 also can distinguish the controlling grid scan line of corresponding varying number, also or, the controlling grid scan line of the corresponding equal number of electrode pattern TP1 of part, the controlling grid scan line of the corresponding varying number of electrode pattern TP1 of part.Deviser can adjust the quantity of the controlling grid scan line that each electrode pattern TP1 is corresponding according to practical application situation, make the design of touch control display apparatus and application have more elasticity.
Fig. 5 illustrates the schematic diagram of the touch control display apparatus of another embodiment of the present invention, please refer to Fig. 5.The difference of the touch control display apparatus of the touch control display apparatus of the present embodiment and Fig. 1 embodiment is, the touch control display apparatus of the present embodiment also comprises chromatic filter layer 502, and it is disposed between active array substrate 102 and touch-control electrode pattern layer 104.Many touch-control electrode wires Fa-Fc is arranged on chromatic filter layer 502, and each touch-control electrode wires Fa-Fc sees through conductive bonding material 504 and is connected to corresponding controlling grid scan line Ga-Gc, and wherein conductive bonding material can be for example elargol, copper glue, carbon paste, Nai meter Yin or conducting polymer composite.So by arranging on chromatic filter layer 502, be connected touch-control electrode wires Fa-Fc with controlling grid scan line Ga-Gc except Miniaturizable touch-control chip 110 still and reduce its cost of manufacture, because chromatic filter layer 502 more approaches touch-control electrode pattern layer 104 compared with active array substrate 102, therefore the sensing sensitivity of touch-control electrode wires Fa-Fc and the formed touch-control sensing unit of electrode pattern TP1 will be better than the controlling grid scan line Ga-Gc of Fig. 1 embodiment and the sensing sensitivity of the formed touch-control sensing unit of electrode pattern TP1, and the touch-control quality that makes the touch control display apparatus of the present embodiment is better than the touch-control quality of the touch control display apparatus of Fig. 1 embodiment.
Fig. 6 illustrates the schematic diagram of the touch control display apparatus of another embodiment of the present invention, please refer to Fig. 6.Similarly, each electrode pattern TP1 of the touch control display apparatus of the present embodiment also can correspond to three touch-control electrode wires as similar Fig. 3 embodiment, as touch-control electrode wires Fa1-3, Fb1-3 and Fc1-3, wherein each touch-control electrode wires also sees through conductive bonding material 504 and is connected to corresponding controlling grid scan line.In addition, in part embodiment.Electrode pattern TP1 also can distinguish the touch-control electrode wires of corresponding varying number, also or, the touch-control electrode wires of the corresponding equal number of electrode pattern TP1 of part, the touch-control electrode wires of the corresponding varying number of electrode pattern TP1 of part, makes the design of touch control display apparatus and application have more elasticity.
The start situation of the touch-control sensing having described in detail due to the touch control display apparatus of Fig. 1, Fig. 3 embodiment, this area tool knows that the knowledgeable should push away by the teaching of Fig. 1,3 embodiment to obtain the operation situation of touch control display apparatus of Fig. 5, Fig. 6 embodiment conventionally, thereby does not repeat them here.
In sum, the present invention utilizes controlling grid scan line to replace touch-control sweep trace to carry out touch-control scanning, so touch-control chip can not must make circuit and the pin of exporting touch scanning signals, and Miniaturizable touch-control chip reduce its cost of manufacture.In addition, owing to must not making in addition touch-control sweep trace, therefore can save production cost and improve yield, and due to the voltage of the online driving signal of gated sweep higher than the driving signal of general touch-control sweep trace, the accuracy that therefore can improve the touch position identifying of input tool.In part embodiment, also can on chromatic filter layer, make touch-control electrode wires, further to promote the touch-control quality of touch control display apparatus.
Claims (9)
1. a touch control display apparatus, comprising:
Many controlling grid scan lines;
One scan line driver element, couples those controlling grid scan lines, drives those controlling grid scan lines;
One touch-control electrode pattern layer, comprises a plurality of electrode patterns; And
One control module, couple the formed a plurality of electrode serials of those electrode patterns and this scanning line driving unit, control this scanning line driving unit and drive those controlling grid scan lines, and from corresponding those electrode patterns of driven those controlling grid scan lines, receive the touch sense signals of a corresponding input tool, and judge according to this position of touch of this input tool.
2. touch control display apparatus as claimed in claim 1, is characterized in that, this control module comprises:
One active array substrate, is disposed at this touch-control electrode pattern layer below, and those controlling grid scan lines are arranged on this active array substrate;
One touch-control chip, couples those electrode serials; And
Time schedule controller, couple this scanning line driving unit and this touch-control chip, control this scanning line driving unit and sequentially drive those controlling grid scan lines, and control this touch-control chip according to this touch sense signals of driving sequential sensing of those controlling grid scan lines, and judge according to this position of touch of this input tool.
3. touch control display apparatus as claimed in claim 1, it is characterized in that, respectively this electrode pattern forms a touch-control sensing unit with corresponding at least one those controlling grid scan lines, and those touch-control sensing units produce this corresponding touch sense signals in order to respond to the touch-control of this input tool.
4. touch control display apparatus as claimed in claim 1, is characterized in that, respectively the controlling grid scan line of the corresponding varying number of this electrode pattern.
5. touch control display apparatus as claimed in claim 1, is characterized in that, the controlling grid scan line of the corresponding equal number of those electrode pattern parts, the controlling grid scan line of the corresponding varying number of part.
6. touch control display apparatus as claimed in claim 2, is characterized in that, also comprises:
One chromatic filter layer, is disposed between this active array substrate and this touch-control electrode pattern layer; And
Many touch-control electrode wires, be arranged on this chromatic filter layer, respectively this touch-control electrode wires sees through a conductive bonding material and is connected to those corresponding controlling grid scan lines, respectively this electrode pattern forms a touch-control sensing unit with corresponding at least one those touch-control electrode wires, and those touch-control sensing units produce this corresponding touch sense signals in order to respond to the touch-control of this input tool.
7. touch control display apparatus as claimed in claim 6, is characterized in that, this conductive bonding material comprises elargol, copper glue, carbon paste, Nai meter Yin or conducting polymer composite.
8. touch control display apparatus as claimed in claim 6, is characterized in that, respectively the touch-control electrode wires of the corresponding varying number of this electrode pattern.
9. touch control display apparatus as claimed in claim 6, is characterized in that, the touch-control electrode wires of the corresponding equal number of those electrode pattern parts, the touch-control electrode wires of the corresponding varying number of part.
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| CN201310718349.4A CN103699282B (en) | 2013-12-24 | 2013-12-24 | Touch control display apparatus |
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| CN201310718349.4A CN103699282B (en) | 2013-12-24 | 2013-12-24 | Touch control display apparatus |
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| CN106648212A (en) * | 2016-10-31 | 2017-05-10 | 京东方科技集团股份有限公司 | Display basal plate and device and manufacturing method |
| CN107608574A (en) * | 2017-09-20 | 2018-01-19 | 深圳市华星光电半导体显示技术有限公司 | OLED touch-control display panels and its control method, touch control display apparatus |
| WO2021217958A1 (en) * | 2020-04-26 | 2021-11-04 | 深圳市鸿合创新信息技术有限责任公司 | Capacitive touch film assembly and interactive display device |
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| CN107608574A (en) * | 2017-09-20 | 2018-01-19 | 深圳市华星光电半导体显示技术有限公司 | OLED touch-control display panels and its control method, touch control display apparatus |
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| CN107608574B (en) * | 2017-09-20 | 2019-05-03 | 深圳市华星光电半导体显示技术有限公司 | OLED touch-control display panel and its control method, touch control display apparatus |
| WO2021217958A1 (en) * | 2020-04-26 | 2021-11-04 | 深圳市鸿合创新信息技术有限责任公司 | Capacitive touch film assembly and interactive display device |
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