CN103019492B - Embedded capacitive touch control display panel, display device, control device and method - Google Patents
Embedded capacitive touch control display panel, display device, control device and method Download PDFInfo
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- CN103019492B CN103019492B CN201210564750.2A CN201210564750A CN103019492B CN 103019492 B CN103019492 B CN 103019492B CN 201210564750 A CN201210564750 A CN 201210564750A CN 103019492 B CN103019492 B CN 103019492B
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Abstract
The invention discloses a kind of embedded capacitive touch control display panel, display device, control device and control method, in order to realize display and the touch controllable function that can solve display panel without the need to additional contact panel, simplify the structure of embedded capacitive touch control display panel, improve light transmission rate.The embedded capacitive touch control display panel of the one that the embodiment of the present invention provides, comprises color membrane substrates, liquid crystal material, array base palte; Wherein, described color membrane substrates is formed with touch-control sensing electrode; Described array base palte is formed touch-control drive electrode, and described touch-control drive electrode is between described array base palte and described liquid crystal material; Wherein, on printing opacity direction, the projection of described touch-control sensing electrode and touch-control drive electrode all drops in the black matrix area of color membrane substrates.
Description
Technical field
The present invention relates to technical field of liquid crystal display, particularly relate to a kind of embedded capacitive touch control display panel, display device, control device and method.
Background technology
Present senior super dimension field switched liquid crystal display technique (Advanced Super Dimension Switch, ADS) LCD display module has one deck to play the tin indium oxide ITO of shielding action outside color film CF substrate, its effect is in order to avoid the signal source in the external world produces interference to the liquid crystal drive electric field in liquid crystal cell, thus can ensure the normal display of LCD display module.
As shown in Figure 1, the basic structure of ADS type display device of the prior art comprises from top to bottom: upper polaroid 201, shielding ITO 30, upper substrate 10, black matrix 40, colored filter 50, upper oriented layer 601, liquid crystal material 70, lower oriented layer 602, array base palte 80 and lower polaroid 202; Wherein, array base palte comprises infrabasal plate, and is formed at grid line, data line, the tft array (not shown) on infrabasal plate.
In the prior art, the scheme of touch-control is realized based on above-mentioned ADS structure, general is all directly attach touch controllable function module in the outside of ADS type liquid crystal cell, owing to needing the structure that laminating one is that made touch control electrode, independently can to realize touch controllable function on existing liquid crystal cell, make existing touch control display apparatus cost very high, and because increase attaching process, yield reduces, and thickness is very large affects transmitance.
Summary of the invention
Embodiments provide a kind of embedded capacitive touch control display panel, display device, control device and control method, in order to realize display and the touch controllable function that can solve display panel without the need to additional contact panel, and improve light transmission rate.
The embedded capacitive touch control display panel of the one that the embodiment of the present invention provides, comprises color membrane substrates, liquid crystal material, array base palte; Wherein,
Described color membrane substrates is formed touch-control sensing electrode;
Described array base palte is formed touch-control drive electrode, and described touch-control drive electrode is between described array base palte and described liquid crystal material;
Wherein, on printing opacity direction, the projection of described touch-control sensing electrode and touch-control drive electrode all drops in the black matrix area of color membrane substrates.
Above-mentioned display panel is shown and the control device of touch-control, comprising:
Indicative control unit, in the displaying time of every two field picture, controls touch-control sensing electrode input common electrode signal;
Touch control unit, for within the touch-control time of every two field picture, control the touch-control drive electrode input touch-control drive singal of each touch-control driver element, the touch-control sensing electrode input touch-control sensing signal of each touch-control sensing unit, wherein, each touch-control driver element comprises at least one touch-control drive electrode, and each touch-control sensing unit comprises at least one touch-control sensing electrode.
A kind of display device, comprises above-mentioned display panel.
Realize the display of display panel and a control method for touch controllable function, comprising:
In the displaying time of every two field picture, control touch-control sensing electrode input common electrode signal;
Within the touch-control time of every two field picture, control the touch-control drive electrode input touch-control drive singal of each touch-control driver element, the touch-control sensing electrode input touch-control sensing signal of each touch-control sensing unit, wherein, each touch-control driver element comprises at least one the touch-control drive electrode divided in advance, and each touch-control sensing unit comprises at least one the touch-control sensing electrode divided in advance.
The embedded capacitive touch control display panel of the one that the embodiment of the present invention provides, display device, control device and control method, achieve display and the touch controllable function that can solve display panel without the need to additional contact panel, simplify the structure of embedded capacitive touch control display panel, improve light transmission rate.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of embedded capacitive touch control display panel in prior art;
The cross-sectional view of the embedded capacitive touch control display panel that Fig. 2 provides for the embodiment of the present invention;
The structural representation of tft array substrate side in the embedded capacitive touch control display panel that Fig. 3 provides for the embodiment of the present invention;
The rhythmo structure schematic diagram of the embedded capacitive touch control display panel that Fig. 4 provides for the embodiment of the present invention;
Each signal timing diagram of the display realizing display panel that Fig. 5 provides for the embodiment of the present invention and touch controllable function.
Embodiment
Embodiments provide a kind of embedded capacitive touch control display panel, display device, control device and control method, in order to realize display and the touch controllable function that can solve display panel without the need to additional contact panel, simplify the structure of embedded capacitive touch control display panel, improve light transmission rate.
The embedded capacitive touch control display panel of the one that the embodiment of the present invention provides, comprises color membrane substrates, liquid crystal material, array base palte; Wherein,
Described color membrane substrates is formed touch-control sensing electrode;
Described array base palte is formed touch-control drive electrode, and described touch-control drive electrode is between described array base palte and described liquid crystal material;
Wherein, on printing opacity direction, the projection of described touch-control sensing electrode and touch-control drive electrode all drops in the black matrix area of color membrane substrates.
Preferably, described array base palte is formed with transparent pixel electrode layer and common electrode layer, and described common electrode layer is near described liquid crystal material; Be provided with touch-control insulation course above described common electrode layer, described touch-control drive electrode is between described liquid crystal material and touch-control insulation course.In implementation process, after the top one deck common electrode layer Vcom ITO preparing tft array substrate, then prepare one deck touch-control insulation course, this touch-control insulation course covers whole Vcom ITO, then on this touch-control insulation course, prepare touch-control drive electrode, then continue the lower oriented layer of preparation.
Preferably, the direction of described touch-control sensing electrode is identical with the direction of data line on array base palte; The direction of described touch-control drive electrode is identical with the direction of grid line on array base palte.Preferably, the position of data line on the corresponding array base palte in position of touch-control sensing electrode, the position of grid line on the corresponding array base palte in position of touch-control drive electrode, but, according to the resolution of display panel and the difference of size, the quantity of touch-control drive electrode is identical with the quantity of grid line, and the quantity of touch-control sensing electrode is identical with the quantity of data line; Or the quantity of touch-control drive electrode is less than the quantity of grid line, and the quantity of touch-control sensing electrode is less than the quantity of data line.In a word, as long as ensure on printing opacity direction, the projection of touch-control sensing electrode is in the projection of black matrix corresponding to data line completely, and the projection of touch-control drive electrode is in the projection of black matrix corresponding to grid line completely.
The embodiment of the present invention additionally provides a kind of display above-mentioned display panel and the control device of touch-control, comprising:
Indicative control unit, in the displaying time of every two field picture, controls touch-control sensing electrode input common electrode signal;
Touch control unit, for within the touch-control time of every two field picture, control the touch-control drive electrode input touch-control drive singal of each touch-control driver element, the touch-control sensing electrode input touch-control sensing signal of each touch-control sensing unit, wherein, each touch-control driver element comprises at least one touch-control drive electrode, and each touch-control sensing unit comprises at least one touch-control sensing electrode.
Preferably, within the touch-control time of every two field picture, the touch-control drive electrode of being separated by between adjacent touch driver element does not have signal, the touch-control sensing electrode of being separated by between adjacent touch sensing unit does not have signal.
A kind of display device that the embodiment of the present invention provides, comprises above-mentioned embedded capacitive touch control display panel; Further, can also comprise and this display panel being shown and the control device of touch-control, this control device specifically for:
In the displaying time of every two field picture, control touch-control sensing Electrode connection common electrode signal, now touch-control sensing electrode is in order to protect display, plays the effect of the shielding ITO layer had more in prior art;
Within the touch-control time of every two field picture, the touch-control drive electrode controlling each touch-control driver element connects identical touch-control drive singal, the touch-control sensing signal that the touch-control sensing Electrode connection of each touch-control sensing unit is identical, wherein, each touch-control driver element comprises the multiple touch-control drive electrodes divided in advance, and each touch-control sensing unit comprises the multiple touch-control sensing electrodes divided in advance.Such as, according to the needs of actual displayed, be together in parallel as touch-control sensing unit R X with i root touch-control sensing electrode, be together in parallel as touch-control driver element TX with m root touch-control drive electrode.
Preferably, within the touch-control time of every two field picture, the touch-control drive electrode of being separated by between adjacent touch driver element does not have signal, the touch-control sensing electrode of being separated by between adjacent touch sensing unit does not have signal.Such as, at least one touch-control drive electrode at interval between adjacent touch driver element TX described above; At least one touch-control sensing electrode at interval between adjacent touch sensing unit RX.
Based on above-mentioned display device, the embodiment of the present invention additionally provides and a kind ofly realizes the display of display panel and the control method of touch controllable function, comprising:
In the displaying time of every two field picture, control touch-control sensing electrode input common electrode signal;
Within the touch-control time of every two field picture, control the touch-control drive electrode input touch-control drive singal of each touch-control driver element, the touch-control sensing electrode input touch-control sensing signal of each touch-control sensing unit, wherein, each touch-control driver element comprises at least one the touch-control drive electrode divided in advance, and each touch-control sensing unit comprises at least one the touch-control sensing electrode divided in advance.
Further, within the touch-control time of every two field picture, the touch-control drive electrode of being separated by between adjacent touch driver element does not have signal, the touch-control sensing electrode of being separated by between adjacent touch sensing unit does not have signal.
Below in conjunction with the drawings and specific embodiments, the present invention will be described.
See Fig. 2, the embedded capacitive touch control display panel of the one that the embodiment of the present invention provides, comprising:
Upper polaroid 201, upper substrate 10, black matrix 40, colored filter 50, touch-control sensing electrode 31, upper oriented layer 601, liquid crystal material 70, lower oriented layer 602, touch-control drive electrode 32, array base palte 80 (comprise infrabasal plate and be produced on grid line, data line and the thin film transistor (TFT) tft array on infrabasal plate) and lower polaroid 202, wherein
Touch-control sensing electrode 31, between color membrane substrates and upper oriented layer, and is positioned at the below of black matrix;
Touch-control drive electrode 32, between tft array substrate and lower oriented layer;
Wherein, on printing opacity direction, the projection of described touch-control sensing electrode 31 and touch-control drive electrode 32 all drops in the projection of black matrix of color membrane substrates.
In order to the structure of clearer this display panel of description, with reference to the cross-sectional view of the array base palte side shown in Fig. 3.It should be noted that, this structural representation is described for the cross-wise direction inwards of the source-drain electrode from TFT (paralleling with grid line bearing of trend).This array base palte comprises:
Infrabasal plate 801, is positioned at the grid 902 of the TFT on this infrabasal plate);
Cover the gate insulation layer SiNx of infrabasal plate and all grids (and grid line) pattern;
Active layer on gate insulation layer SiNx, is divided into two-layer, comprises the one deck being positioned at below, the a-Si (amorphous silicon) namely in figure, and being arranged in one deck of top and the n+a-Si of figure, is ohmic contact layer;
And, the source and drain SD metal level of making, shown in figure is drain electrode 903 and the source electrode 904 of TFT), and the pixel electrode ITO layer in electrical contact with drain electrode 903;
One deck passivation layer PVX 905 on pixel electrode layer ITO, covers the active layer of TFT, drain electrode and source electrode and pixel electrode;
Common electrode layer Vcom ITO layer 906 on passivation layer PVX, as shown in Figure 3, in pixel region, this public electrode becomes slit-shaped, and therefore in the sectional view shown in Fig. 3, in pixel region, public electrode is spaced.Owing to being also equipped with described Vcom ITO above grid line and data line, therefore this common electrode layer is except as except public electrode, can also dhield grid signal and data line signal to the interference of pixel electrode.
And the display panel that the embodiment of the present invention provides, on the Vcom ITO layer of above-mentioned array base palte, prepare one deck touch-control insulation course 907, it covers whole common electrode layer, touch-control drive electrode 32 is prepared above touch-control insulation course 907, for receiving touch-control drive singal, can ensure that touch-control drive electrode forms mutual tolerance structure with the touch-control sensing electrode being positioned at color membrane substrates side.And the insulation course between touch-control drive electrode and common electrode layer prevents the short circuit between signal wire.Be produced on common electrode layer by drive electrode, common electrode layer can shield the interference effect of touch-control drive electrode to pixel electrode simultaneously.
Further in order to clearer explanation the present invention, rhythmo structure schematic diagram shown in Figure 4, as can be seen from the figure, the position of grid line on the corresponding array base palte in the region shared by each touch-control drive electrode included by touch-control driver element TX, the position of data line on array base palte answered by each touch-control sensing electrode pair included by touch-control sensing unit R X, therefore, it is possible to ensure that the aperture opening ratio of LCD maximizes.In addition, shown touch-control sensing unit R X place layer and touch-control driver element TX distance be between layers upper oriented layer, liquid crystal material and lower oriented layer (not shown).
The above-mentioned display panel that the embodiment of the present invention provides, can not only realize Presentation Function, can also realize touch controllable function.The display device that the embodiment of the present invention provides, comprises above-mentioned display panel, also comprises control device, and this control device is used for:
In the displaying time of every two field picture, control touch-control sensing Electrode connection common electrode signal, to reduce the impact of liquid crystal deflection when touch-control sensing electrode pair normally shows as far as possible;
Within the touch-control time of every two field picture, control the touch-control drive singal of the touch-control drive electrode input high frequency of each touch-control driver element, the touch-control sensing electrode input touch-control sensing signal of each touch-control sensing unit, wherein, each touch-control driver element comprises the multiple touch-control drive electrodes divided in advance, and each touch-control sensing unit comprises the multiple touch-control sensing electrodes divided in advance.Within the touch-control time of every two field picture, the touch-control drive electrode of being separated by between adjacent touch driver element does not have signal, the touch-control sensing electrode of being separated by between adjacent touch sensing unit does not have signal.
Preferably, within the touch-control time, rhythmo structure schematic diagram shown in Figure 4, touch-control sensing electrode is together in parallel as touch-control sensing unit R X1, RX2 etc. between two, and touch-control drive electrode is together in parallel as touch-control driver element TX1, TX2 etc. between two; Or, be together in parallel as touch-control sensing unit R X1, RX2 etc. with i root touch-control sensing electrode, be together in parallel as touch-control driver element TX1, TX2 etc. with m root touch-control drive electrode; The data wire lines at least one, interval between adjacent touch driver element TX, not load signal; At least one, interval grid line between adjacent touch sensing unit RX, not load signal.The touch-control sensing electrode of some of being separated by between adjacent touch-control sensing unit, and the touch-control drive electrode of some of being separated by between adjacent touch-control driver element, ensure that the homogeneity of touch-control time internal electric field distribution.
Below in conjunction with the drawings and specific embodiments, what provide the embodiment of the present invention realizes the display of display panel and the control method of touch controllable function, is described.
Each signal timing diagram shown in Figure 5, the time of every two field picture is divided into display display time and touch controllable function touch time.Wherein, in the display time, be frame start signal at STV, CPV is the unlatching control signal of gate signal, TP is the unlatching control signal of data signal, and RX connects public electrode Vcom signal, Gate1, Gate2, Gate3 ..., Gate last etc. is the start signal of each row grid line, Data1, Data2, Data3 ..., Data last etc. is the column data signal of each column data line, the drive singal that TX1, TX2 etc. connect for touch-control driver element;
The STV unblanking of each frame, displaying time starts; In displaying time, control grid line and be connected corresponding row start signal and column data signal respectively with data line, thus complete the display of whole frame picture; Meanwhile, control RX connects common electrode signal, owing to eliminating shielding ITO layer in display panel provided by the invention, therefore passes through touch-control sensing Electrode connection common electrode signal in displaying time, can play the effect as shielding ITO layer.Within this stage, touch-control drive electrode do not have signal.
Then enter the touch-control time of every two field picture, after now picture display terminates, all grid lines are closed simultaneously, and all data lines all do not output signal, as the position, separatrix in figure between Display and Touch.
Afterwards, Figure 4 shows that example, touch-control driver element TX1 and TX2 etc. of touch-control drive electrode composition between two, the touch-control drive electrode of each touch-control driver element connects identical touch-control drive singal, connects different touch-control drive singal between different touch-control driver elements; Thus carry out touch-control driving scanning successively; And each touch-control sensing unit R X1 and RX2 etc. that are made up of touch-control sensing electrode between two, connect corresponding touch-control sensing signal respectively, the touch-control sensing signal that touch-control sensing Electrode connection in each touch-control sensing unit is identical, thus touch-control is responded to external world.
Each two field picture is all through displaying time and touch-control time, and namely when next frame image signal STV arrives, the time reenters displaying time Display part.Thus the method driven by this timesharing, achieves Presentation Function and the touch controllable function of display panel, and because touch-control drive electrode is produced on array base palte common electrode layer, therefore, it is possible to the impact that reduction touch-control drive singal shows LCD.
The embodiment of the present invention provide a kind of above-mentioned display panel is shown and touch-control can control device, comprising:
Indicative control unit, in the displaying time of every two field picture, controls touch-control sensing Electrode connection common electrode signal, to make touch-control sensing electrode protection display;
Touch control unit, for within the touch-control time of every two field picture, the touch-control drive electrode controlling each touch-control driver element connects identical touch-control drive singal, the touch-control sensing signal that the touch-control sensing Electrode connection of each touch-control sensing unit is identical, wherein, each touch-control driver element comprises at least one the touch-control drive electrode divided in advance, and each touch-control sensing unit comprises at least one the touch-control sensing electrode divided in advance.
Preferably, within the touch-control time of every two field picture, the touch-control drive electrode of being separated by between adjacent touch driver element does not have signal, the touch-control sensing electrode of being separated by between adjacent touch sensing unit does not have signal.
In sum, embodiments provide a kind of embedded capacitive touch control display panel, display device, control device and method, by shielding ITO layer is produced between color membrane substrates and upper oriented layer, it is made to play the shielding effect of ITO and the effect of touch-control sensing electrode respectively in the different time, and by preparing touch-control drive electrode on the uppermost public electrode ITO layer of tft array substrate, make the touch-control sensing electrode of itself and color membrane substrates side form mutual tolerance structure; Driven by timesharing simultaneously, namely be divided into displaying time and touch controllable function time, control grid line and be connected upper sweep signal and column data signal respectively with data line, control touch-control sensing electrode and connect common electrode signal in displaying time, play the effect of shielding ITO, realize Presentation Function; Within the touch-control time, by touch-control drive electrode and touch-control sensing electrode being connected corresponding touch-control drive singal respectively and touch-control sensing signal realizes touch controllable function.Display and the touch controllable function of display panel can be solved without the need to additional contact panel, simplify the structure of embedded capacitive touch control display panel, improve light transmission rate.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disk memory and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the process flow diagram of the method for the embodiment of the present invention, equipment (system) and computer program and/or block scheme.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or square frame.These computer program instructions can being provided to the processor of multi-purpose computer, special purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computing machine or other programmable data processing device produce device for realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be loaded in computing machine or other programmable data processing device, make on computing machine or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computing machine or other programmable devices is provided for the step realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
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 (7)
1. an embedded capacitive touch control display panel, comprises color membrane substrates, liquid crystal material, array base palte; It is characterized in that,
Described color membrane substrates is formed touch-control sensing electrode;
Described array base palte is formed touch-control drive electrode, and described touch-control drive electrode is between described array base palte and described liquid crystal material;
Wherein, on printing opacity direction, the projection of described touch-control sensing electrode and touch-control drive electrode all drops in the black matrix area of color membrane substrates;
Described array base palte is formed with transparent pixel electrode layer and common electrode layer, and described common electrode layer is near described liquid crystal material; Be provided with touch-control insulation course above described common electrode layer, described touch-control drive electrode is between described liquid crystal material and touch-control insulation course;
The position of grid line on the corresponding described array base palte in region shared by described touch-control drive electrode; The position of data line on described array base palte answered by described touch-control sensing electrode pair.
2. show display panel described in claim 1 and the control device of touch-control, it is characterized in that, this control device comprises:
Indicative control unit, in the displaying time of every two field picture, controls touch-control sensing electrode input common electrode signal;
Touch control unit, for within the touch-control time of every two field picture, control the touch-control drive electrode input touch-control drive singal of each touch-control driver element, the touch-control sensing electrode input touch-control sensing signal of each touch-control sensing unit, wherein, each touch-control driver element comprises at least one touch-control drive electrode, and each touch-control sensing unit comprises at least one touch-control sensing electrode.
3. control device according to claim 2, it is characterized in that, within the touch-control time of every two field picture, the touch-control drive electrode of being separated by between adjacent touch driver element does not have signal, the touch-control sensing electrode of being separated by between adjacent touch sensing unit does not have signal.
4. a display device, is characterized in that, this display device comprises display panel according to claim 1.
5. display device according to claim 4, is characterized in that, also comprises control device as claimed in claim 2 or claim 3.
6. show display panel described in claim 1 and the control method of touch-control, it is characterized in that, the method comprises:
In the displaying time of every two field picture, control touch-control sensing electrode input common electrode signal;
Within the touch-control time of every two field picture, control the touch-control drive electrode input touch-control drive singal of each touch-control driver element, the touch-control sensing electrode input touch-control sensing signal of each touch-control sensing unit, wherein, each touch-control driver element comprises at least one the touch-control drive electrode divided in advance, and each touch-control sensing unit comprises at least one the touch-control sensing electrode divided in advance.
7. control method according to claim 6, it is characterized in that, within the touch-control time of every two field picture, the touch-control drive electrode of being separated by between adjacent touch driver element does not have signal, the touch-control sensing electrode of being separated by between adjacent touch sensing unit does not have signal.
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| CN102540530A (en) * | 2010-12-22 | 2012-07-04 | 苹果公司 | Integrated touch screens |
| CN102736788A (en) * | 2011-04-13 | 2012-10-17 | 索尼公司 | Display panel with touch detection function, drive circuit, and electronic unit |
| CN102819349A (en) * | 2012-05-14 | 2012-12-12 | 友达光电股份有限公司 | Touch display and driving method thereof |
| CN202976052U (en) * | 2012-12-21 | 2013-06-05 | 北京京东方光电科技有限公司 | Embedded capacitive touch display panel, display equipment and control device |
-
2012
- 2012-12-21 CN CN201210564750.2A patent/CN103019492B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102193231A (en) * | 2010-03-19 | 2011-09-21 | 乐金显示有限公司 | Touch sensing type liquid crystal display device and method of fabricating the same |
| CN102540530A (en) * | 2010-12-22 | 2012-07-04 | 苹果公司 | Integrated touch screens |
| CN102736788A (en) * | 2011-04-13 | 2012-10-17 | 索尼公司 | Display panel with touch detection function, drive circuit, and electronic unit |
| CN102819349A (en) * | 2012-05-14 | 2012-12-12 | 友达光电股份有限公司 | Touch display and driving method thereof |
| CN202976052U (en) * | 2012-12-21 | 2013-06-05 | 北京京东方光电科技有限公司 | Embedded capacitive touch display panel, display equipment and control device |
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| CN103019492A (en) | 2013-04-03 |
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