WO2014000382A1 - 触摸面板、触摸显示面板、触摸检测及显示方法 - Google Patents

触摸面板、触摸显示面板、触摸检测及显示方法 Download PDF

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Publication number
WO2014000382A1
WO2014000382A1 PCT/CN2012/085934 CN2012085934W WO2014000382A1 WO 2014000382 A1 WO2014000382 A1 WO 2014000382A1 CN 2012085934 W CN2012085934 W CN 2012085934W WO 2014000382 A1 WO2014000382 A1 WO 2014000382A1
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WO
WIPO (PCT)
Prior art keywords
scan
group
lines
touch
data lines
Prior art date
Application number
PCT/CN2012/085934
Other languages
English (en)
French (fr)
Inventor
姚绮君
马骏
Original Assignee
上海天马微电子有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海天马微电子有限公司 filed Critical 上海天马微电子有限公司
Priority to KR1020137027028A priority Critical patent/KR101567339B1/ko
Priority to EP12873476.1A priority patent/EP2869166B1/en
Priority to US14/058,123 priority patent/US9690416B2/en
Publication of WO2014000382A1 publication Critical patent/WO2014000382A1/zh

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Classifications

    • 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
    • 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
    • G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
    • 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
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • 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
    • G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04107—Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds
    • 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
    • G06F3/0412—Digitisers structurally integrated in a display

Definitions

  • TECHNICAL FIELD The present application relates to the field of liquid crystal display panel technologies, and in particular, to a touch panel, a touch display panel, a touch detection and display method.
  • a touch panel a touch display panel
  • a touch detection and display method a touch detection and display method.
  • active matrix display panels such as liquid crystal display panels (LCD, Liquid Crys ta l Di splay), organic light emitting diode display panels (OLED, Organic Light Emi tt) Ing Diode )
  • the active matrix display panel and the touch sensor it can be divided into an external touch display and an in-line touch display.
  • the external touch display refers to the active matrix display panel and the touch sensor are respectively fabricated in two separate modules, and then the two are assembled together.
  • the disadvantage of the external touch display is that the thickness of the whole device is thick after the touch sensor and the active matrix display panel are assembled, and the production cost is high.
  • the in-line touch display integrates the touch sensor into the active matrix display panel, which greatly reduces the thickness and weight of the entire device.
  • the in-line touch display integrates the touch sensor into the active matrix display panel, which causes problems such as parasitic capacitance between the two parts and the electric field change of the liquid crystal cell caused by the additional touch sensing electrodes.
  • Fig. 1 is a view showing the construction of a touch sensor using a common electrode layer of a liquid crystal display panel in the prior art.
  • an integrated touch display liquid crystal display panel of the prior art uses a common electrode layer 100 to fabricate a touch sensor.
  • the common electrode layer 100 includes a plurality of common electrodes 101 distributed in a matrix.
  • the common electrode layer 100 is divided into drive regions composed of a sensing region 103 and a plurality of driving segment segments 102 which are spaced apart from each other.
  • the formation of the driving region and the sensing region 103 requires additional lead wires for common use. Mode switching of the electrode layer 100. Additional added leads will increase process complexity and further increase production costs.
  • the pixel array including a plurality of sets of scan lines, a plurality of sets of data lines vertically intersecting the plurality of sets of scan lines, and a plurality of pixel units respectively coupled to the plurality of sets of scan lines and the plurality of sets of data lines, wherein
  • the plurality of sets of data lines include a first type group and a second type group that are spaced apart from each other;
  • the first scan driving circuit is electrically connected to the plurality of sets of scan lines, and sequentially provides a first scan driving signal to the groups of scan lines in groups;
  • a touch detection circuit electrically connected to the plurality of sets of data lines, wherein the touch detection circuit provides a touch drive signal to the first type of the plurality of sets of data lines during each of the scan lines receiving the first scan drive signal And detecting a touch sensing signal from a second type of the plurality of sets of data lines.
  • the plurality of sets of data lines further includes a third type group, the third type group is located between the first type group and the second type group; or the second type group is located in the first type group and the third type group Or the first type group is located between the second type group and the third type group.
  • the touch detection circuit applies a fixed potential to the third type of group among the plurality of sets of data lines.
  • the number of scan lines in each set of scan lines is the same.
  • the number of data lines in each group of data lines in the same type group is the same.
  • the touch panel further includes a control circuit electrically connected to the first scan driving circuit and the touch detecting circuit to coordinate an operation timing between the first scan driving circuit and the touch detecting circuit.
  • the present application further provides a touch detection method for a touch panel, including: Step 1, using a first scan driving circuit to provide a first scan driving signal to a group of scan lines, performing step 2; While the first scan driving circuit supplies the first scan driving signal, the touch detecting circuit supplies the touch driving signal to the first type group of the plurality of sets of data lines, and uses the touch detecting circuit from the second of the plurality of sets of data lines Detect the touch sensing signal on the type group, and perform step 3;
  • Step 3 The first scan driving circuit is provided with a first scan driving signal by using the first scan driving circuit, and step 2 is performed, wherein two sets of scan lines are adjacent, and the next set of scan lines are not provided with the first scan drive. signal.
  • the step 1 specifically includes: providing a first scan driving signal to the first group of scan lines by using the first scan driving circuit, and performing step 2;
  • the step 3 specifically includes: providing a first scan driving signal to the second group of scan lines by using the first scan driving circuit, and performing step 2, wherein the second group of scan lines are adjacent to the first group of scan lines and are not provided.
  • a scan drive signal
  • the present application further provides a touch display panel, including:
  • the pixel array including a plurality of sets of scan lines, a plurality of sets of data lines vertically intersecting the plurality of sets of scan lines, and a plurality of pixel units respectively coupled to the plurality of sets of scan lines and the plurality of sets of data lines, wherein
  • the plurality of sets of data lines include a first type group and a second type group that are spaced apart from each other;
  • the first scan driving circuit is electrically connected to the plurality of sets of scan lines, and sequentially provides a first scan driving signal to the groups of scan lines in groups;
  • a touch detection circuit electrically connected to the plurality of sets of data lines, wherein the touch detection circuit provides a touch drive signal to the first type of the plurality of sets of data lines during each of the scan lines receiving the first scan drive signal And detecting a touch sensing signal from a second type of the plurality of sets of data lines;
  • a second scan driving circuit electrically connected to the plurality of sets of scan lines, and providing a second scan drive signal to the set of scan lines after each set of scan lines receives the first scan drive signal;
  • a data driving circuit electrically connected to the plurality of data lines, wherein the data driving circuit supplies the image data signals to the plurality of data lines during each of the scanning lines receiving the second scanning driving signals.
  • the plurality of sets of data lines further includes a third type group, the third type group being between the first type group and the second type group; or the second type group being between the first type group and the third type Between groups; or the first type group is between the second type group and the third type group.
  • the touch detection circuit applies a fixed potential to the third type of group among the plurality of sets of data lines.
  • the plurality of sets of scan lines, each set of scan lines includes one scan line or a plurality of scan lines; the plurality of sets of data lines, each set of data lines in each set of data lines includes one data line or more Data line.
  • the number of scan lines in each set of scan lines is the same.
  • the number of data lines in each group of data lines in the same type group is the same.
  • the first scan driving circuit simultaneously supplies a first scan driving signal to all the scan lines in the set of scan lines, and the second scan driving circuit sequentially sequentially after receiving the first scan driving signal for each set of scan lines.
  • a second scan driving signal is provided to each of the scan lines of the set of scan lines.
  • the touch display panel further includes a control circuit electrically connected to the first scan driving circuit, the second scan driving circuit, the touch detecting circuit, and the data driving circuit to coordinate the first scan driving circuit and the second scan driving circuit The timing of the operation between the touch detection circuit and the data drive circuit.
  • the first scan driving circuit and the second scan driving circuit are integrated in the same circuit.
  • the touch display panel further includes: a first substrate, a second substrate opposite to the first substrate, wherein the pixel array is disposed on a surface of the first substrate facing the second substrate.
  • the present application further provides a touch detection and display method of the touch display panel, comprising: Step 1, using the first scan driving circuit to provide a first scan driving signal to a group of scan lines, step 2; Step 2, when the first scan driving circuit supplies the first scan driving signal, the touch detection circuit touches The driving signal is applied to the first type group of the plurality of sets of data lines, and the touch sensing circuit detects the touch sensing signal from the second type of the plurality of sets of data lines, performing step 3;
  • Step 3 after the first scan driving circuit provides the first scan driving signal, the second scan driving circuit is used to provide the second scan driving signal to the set of scan lines, step 4;
  • Step 4 during the second scan driving circuit provides the second scan drive signal, the data drive circuit is used to provide image data signals to the plurality of sets of data lines, step 5;
  • Step 5 The first scan driving circuit is used to provide a first scan driving signal to the next scan line, and step 2 is performed, wherein two sets of scan lines are adjacent, and the next set of scan lines are not provided with the first scan drive. signal.
  • the step 1 specifically includes: providing a first scan driving signal to the first group of scan lines by using the first scan driving circuit, and performing step 2;
  • the step 5 specifically includes: providing a first scan driving signal to the second group of scan lines by using the first scan driving circuit, and performing step 2, wherein the second group of scan lines are adjacent to the first group of scan lines and are not provided.
  • a scan drive signal
  • the first scan driving circuit in step 1 simultaneously supplies a first scan driving signal to all the scan lines in the first group of scan lines; in step 3, the second scan driving circuit receives the first scan line simultaneously in the set of scan lines. After the driving signal is scanned, the second scan driving signal is sequentially supplied to each of the set of scanning lines in a row by row.
  • FIG. 1 is a schematic view showing the structure of a touch sensor using a common electrode layer of a liquid crystal display panel in the prior art
  • FIG. 2A is a schematic structural diagram of Embodiment 1 of a touch panel provided by the present application.
  • FIG. 2B is a schematic structural diagram of a pixel array segment of an optional embodiment of the second embodiment of the touch panel provided by the present application
  • FIG. 2C is a schematic structural diagram of an alternative embodiment of the second embodiment of the touch panel provided by the present application
  • 2D is a schematic structural diagram of an optional implementation manner of the second embodiment of the touch panel provided by the present application.
  • FIG. 2E is a schematic structural diagram of an optional implementation manner of a touch panel embodiment 2 provided by the present application.
  • FIG. 3 is a flow chart showing the steps of the second embodiment of the touch detection method of the touch panel provided by the present application.
  • Embodiment 3 of a touch display panel provided by the present application.
  • FIG. 4B is a schematic structural diagram of an alternative embodiment of a third embodiment of the touch display panel provided by the present application
  • FIG. 4C is a schematic structural diagram of an alternative embodiment of the third embodiment of the touch display panel provided by the present application
  • 4D is a schematic structural view of an alternative embodiment of the third embodiment of the touch display panel provided by the present application
  • FIG. 4E is a schematic structural diagram of an alternative embodiment of the third embodiment of the touch display panel provided by the present application
  • FIG. 5B is a timing chart of the fourth embodiment of the touch detection and display method of the touch display panel provided by the present application.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The specific embodiments of the touch panel, the touch display panel, the touch detection and display method provided by the present application will be described in detail below with reference to the accompanying drawings.
  • FIG. 2A is a schematic structural diagram of a touch panel provided by the embodiment.
  • This embodiment provides a touch panel, including:
  • the pixel array includes a plurality of sets of scan lines 205, a plurality of sets of data lines 206 perpendicularly intersecting the plurality of sets of scan lines 205, and a plurality of sets of scan lines 205 and the plurality of sets of data lines 206 respectively coupled Pixel units, wherein the plurality of sets of data lines 206 comprise a first type group and a second type group that are spaced apart from each other.
  • each of the plurality of pixel units is disposed at an intersection of the scan line 205 and the data line 206, wherein each pixel unit includes at least one pixel electrode 203 and a pixel switch 204, and the pixel electrode 203 is coupled to the corresponding scan line 205 and data line 206 through pixel switch 204, respectively.
  • each pixel unit includes a pixel electrode 203 and a pixel switch 204, and each pixel electrode 203 corresponds to one data line 206 and one scan line 205, and the adjacent two pixel electrodes 203 are independently Corresponding to one data line 206 and one scan line 205.
  • the pixel switch 204 may be a thin film field effect transistor (TFT, Thin Fi lm Trans s tor).
  • TFT thin film field effect transistor
  • the specific meaning of the pixel electrode 203 being coupled to the corresponding scan line 205 and the data line 206 through the pixel switch 204 is that the pixel electrode 203 is respectively coupled to the corresponding scan line 205 and the data line 206 through the TFT, and the gate of the TFT.
  • the scan line 205 is electrically connected, the source of the TFT is electrically connected to the data line 206, and the drain of the TFT is electrically connected to the pixel electrode 203.
  • the two adjacent pixel electrodes 203 independently correspond to one data line 206 and one scan line 205 respectively, that is: the same row of pixel electrodes 203 correspond to the same gate line, but respectively correspond to different data lines; the same column of pixels The electrodes 203 correspond to the same data line, but correspond to different gate lines.
  • Each of the plurality of sets of scan lines 205 includes one scan line 205 or a plurality of scan lines 205; each of the plurality of sets of data lines 206 includes one data line 206 or a plurality of data lines 206.
  • the number of scan lines 205 in each set of scan lines 205 is the same or different.
  • the number of scan lines 205 in each set of scan lines 205 is the same.
  • the number of scanning lines 205 in each group is from 2 to 1000.
  • the number of scanning lines 205 in each group is from 2 to 1000.
  • the number of data lines 206 in each set of data lines 206 in the same type group is the same or different.
  • the number of data lines 206 in each set of data lines 206 in the same type group is the same.
  • the number of data lines 206 in each group is from 1 to 1000.
  • the data lines 206 in the pixel array of Figure 2A include four groups, two of which are a first type of group, and two of which are second type groups that are spaced apart from each other by the first type of group. From left to right, the first group of first type group data lines 206 includes first and second data lines 206, and the second group of first type group data lines 206 includes fourth and fifth data lines 206; from left to right
  • the first set of second type group data lines 206 includes a third data line 206, and the second set of second type set data lines 206 includes a sixth data line 206.
  • the touch panel further includes: a first scan driving circuit 209 electrically connected to the plurality of sets of scan lines 205, and sequentially providing a first scan driving signal to the groups of scan lines 205 in groups.
  • the touch panel further includes a touch detection circuit 210 electrically connected to the plurality of sets of data lines 206.
  • the touch detection circuit 210 is directed to the plurality of sets of data lines 206 during each set of scan lines 205 receiving the first scan drive signals.
  • the first type of group provides a touch drive signal and detects a touch sensitive signal from a second type of group of the plurality of sets of data lines 206.
  • the "sequential group by group” appearing in this application means operating in groups in the logical order of the packets.
  • the first scan driving circuit 209 sequentially supplies a first scan driving signal to the groups of scan lines 205 in groups, in other words, the first scan circuit 209 first to the first group of scan lines 205.
  • a first scan drive signal is provided, and then the first scan circuit 209 provides a first scan drive signal to the second set of scan lines 205.
  • the first type of group and the second type of data line in combination with the scan line divide the pixel array into four drive regions 201 and four sensing regions 202.
  • the first driving region 201 includes four pixel electrodes 203 coupled to the first group of scan lines 205 and the first group of first type group data lines 206 through the pixel switches 204, and the second driving region 201 includes a pixel switch.
  • the third driving region 201 includes a pixel switch 204 and a second group of scan lines 205 and A set of first pixel data lines 206 are coupled to four pixel electrodes 203, and the fourth driving region 201 includes a pixel switch 204 coupled to the second group of scan lines 205 and the second group of first type group data lines 206, respectively.
  • the four sensing electrodes 202 are included; the first sensing region 202 includes two pixel electrodes 203 coupled to the first group of scan lines 205 and the first group of second type group data lines 206 through the pixel switches 204, and the second sensing
  • the area 202 includes a pixel switch 204 and a first set of scan lines, respectively
  • the third sensing area 202 includes a pixel switch 204 and a second set of scan lines 205 and a first set of second type of data lines
  • the two pixel electrodes 203 coupled to the second sensing region 202 include two pixel electrodes 203 coupled to the second group of scan lines 205 and the second group of second type group data lines 206 through the pixel switches 204, respectively.
  • the pixel electrode 203 in the driving region 201 functions as a touch driving electrode in a touch mode
  • the pixel electrode 203 in the sensing region 202 is used as a touch sensing in a touch mode. Electrode.
  • a mutual capacitance is formed between the pixel electrode 203 in the driving region 201 and the pixel electrode 203 in the sensing region 202.
  • the first type group is an odd array and the second type group is an even array.
  • the first type group is an even array, and the second type group is an odd array.
  • FIG. 2B is a schematic structural diagram of a pixel array segment of an alternative embodiment of the touch panel provided by the embodiment.
  • each of the first type group and the second type group of data lines 206 has three data lines 206, and each group of scan lines 205 also has three lines. Shown in FIG.
  • each pixel unit includes a TFT switch (not shown in the drawing) and a pixel electrode 203.
  • the pixel electrode 203 corresponding to 205 is not connected (the pixel electrode that is not connected in FIG. 2B is not shown). Then, the touch detection circuit applies a touch driving signal to the first type group of the data lines 206, thereby applying the touch driving signals to the driving area 201. Next, the touch detection circuit detects the touch sensing signal from the sensing area 202 through the second type of data line 206. A mutual capacitance is formed between the pixel electrode 203 in the driving region 201 and the pixel electrode 203 in the sensing region 202, whereby the touch action of the finger or the stylus in the first touch region 207 can be detected by the touch detecting circuit.
  • the touch action on the finger or stylus in the second touch area 208 is also detected by the touch detection circuit 210 while the mutual capacitance between the data line 206 of the first type group and the data line 206 of the second type group The change will be detected.
  • the mutual capacitance is significantly smaller.
  • the signal of the second touch zone 208 can be distinguished from the signal in the first touch zone 207.
  • the touch action of the first touch region 207 causes a parasitic capacitance between the pixel electrode of the corresponding driving region and the pixel electrode of the sensing region and the touch object (finger or nib), and the parasitic capacitance and the original mutual capacitance (drive region).
  • the sum of the capacitance between the pixel electrode and the pixel electrode of the sensing region is the mutual capacitance of the region after the change, and the change of the mutual capacitance is detected, that is, the touch of the touch object (finger or pen tip) in the first touch region 207
  • the action is detected.
  • the data line of the driving area corresponding to the touch action of the second touch area 208 and the data line of the sensing area generate a parasitic capacitance between the touch object and the touch object.
  • the sum of the parasitic capacitance and the original mutual capacitance is the mutual capacitance after the change of the area.
  • the change in the mutual capacitance is also detected, that is, the touch action of the touch object (finger or nib) in the second touch area 208 is detected.
  • the corresponding scan line of the second touch area 208 is suspended, the corresponding thin film transistor is turned off, and the corresponding pixel electrode has no influence on the mutual capacitance change.
  • FIG. 2C is a schematic structural diagram of an alternative embodiment of the touch panel provided by the embodiment.
  • the touch panel shown in FIG. 2C includes a pixel array including a plurality of sets of scan lines 205, a plurality of sets of data lines 206 perpendicularly intersecting the plurality of sets of scan lines 205, and the plurality of sets of scan lines 205 and groups
  • the data lines 206 are respectively coupled to a plurality of pixel units, and each of the pixel units includes a pixel electrode 203 and a pixel switch 204.
  • the touch panel further includes a first scan driving circuit 209 and a touch detecting circuit 210.
  • the first scan driving circuit 209 and the touch detecting circuit 110 reference may be made to the corresponding embodiment of FIG. 2A above, and details are not described herein again.
  • the pixel array is arranged in a DUAL GATE mode, that is, the same row of pixel electrodes 203 share two scan lines 205, and each adjacent two columns of pixels share one data line 206.
  • the pixel electrode 203 in the odd row in the same row is coupled to one of the scan lines 205 through the pixel switch 204
  • the pixel electrode 203 in the even column is coupled to the pixel switch 204 through the pixel switch 204.
  • Another scanning line 205 from left to right, the first column and the second column of pixel electrodes 203 are coupled to the first data line 206 through the pixel switch 204, and the third column and the fourth column of pixel electrodes 203 pass through the pixel.
  • the switch 204 is coupled to the second data line 206, and so on.
  • the driving area 201 includes twelve pixel electrodes 203 coupled to each of the scanning lines 205 and the three data lines 206 from the left by the pixel switches 204, respectively.
  • the sensing area 202 includes four pixel electrodes 203 coupled to each of the scanning lines 205 and the fourth data line 206 from the left through the pixel switches 204.
  • the driving area 201 and the sensing area 202 reference may be made to the embodiment corresponding to the above FIG. 2A, which is not mentioned here.
  • FIG. 2D is a schematic structural diagram of an alternative embodiment of the touch panel provided by the embodiment.
  • the multiple sets of data lines further include a third type group, where the third type group is located between the first type group and the second type group;
  • the touch detection circuit 210 applies a fixed potential to the third type group.
  • the first type group, the second type group, and the third type group data line are combined with the scan lines to divide the pixel array into four driving areas 201, four sensing areas 202, and four fixed potential areas 218. From left to right, there are 1st to 10th data lines in the figure; from top to bottom, there are 1st to 4th scan lines in the figure.
  • the first set of first type of data lines 206 includes first and second data lines 206.
  • the first set of third type of group data lines 206 includes third and fourth data lines 206.
  • the first set of second type of group data lines 206 includes a fifth data line 206.
  • the second set of first type of data lines 206 includes sixth and seventh data lines 206.
  • the second set of third type of data lines 206 includes the eighth and nineth data lines 206.
  • the second set of second type of data lines 206 includes a 10th data line 206.
  • the first set of scan lines 205 includes first and second scan lines 205.
  • the second set of scan lines 205 includes third and fourth scan lines 205.
  • the first driving region 201 includes four pixel electrodes 203 coupled to the first group of scan lines 205 and the first group of first type group data lines 206 through the pixel switches 204, and the second driving region 201 includes the pixel switches 204 respectively.
  • the third drive region 201 includes four pixel electrodes 203 coupled to the second set of scan lines 205 and the first set of first type of data lines 206 through pixel switches 204, respectively
  • the fourth drive region 201 includes a second group through pixel switches 204 and The scan line 205 and the second set of first type group data lines 206 are coupled to four pixel electrodes 203.
  • the first sensing area 202 includes two pixel electrodes 203 coupled to the first group of scan lines 205 and the first group of second type group data lines 206 through the pixel switches 204, and the second sensing area 202 includes the pixel switches 204 respectively.
  • Two pixel electrodes 203 coupled to the first set of scan lines 205 and the second set of second type set data lines 206, the third sensing area 202 including the pixel switch 204 and the second set of scan lines 205 and the first group respectively.
  • the second type of data line 206 is coupled to the two pixel electrodes 203
  • the fourth sensing area 202 includes a pixel switch 204 coupled to the second group of scan lines 205 and the second group of second type group data lines 206, respectively.
  • the first fixed potential region 218 includes two pixel electrodes 203 coupled to the first group of scan lines 205 and the first group of third type group data lines 206 through the pixel switches 204, respectively.
  • the second fixed potential region 218 includes a pixel switch. 204.
  • Two pixel electrodes 203 coupled to the first set of scan lines 205 and the second set of third type set data lines 206, respectively.
  • the third fixed potential region 218 includes a pixel switch 204 and a second set of scan lines 205, respectively.
  • the first set of third type group data lines 206 are coupled to the two pixel electrodes 203
  • the fourth fixed potential area 218 includes the pixel switch 204 and the second set of scan lines 205 and the second set of third type set data lines 206, respectively.
  • Two pixel electrodes 203 coupled to each other.
  • the pixel electrode 203 in the driving region 201 functions as a touch driving electrode in a touch mode; the pixel electrode 203 in the sensing region 202 is used as a touch sensing electrode in a touch mode; and the pixel electrode 203 in the fixed potential region 218 is in a touch mode
  • a fixed potential is applied to the lower side.
  • the fixed potential is the ground potential.
  • FIG. 2E is a schematic structural diagram of an alternative embodiment of the touch panel provided by the embodiment.
  • the multiple sets of data lines further include a third type group, and the second type group is located between the first type group and the third type group;
  • the touch detection circuit 210 applies a fixed potential to the third type group.
  • the first type group, the second type group, and the third type group data line are combined with the scan lines to divide the pixel array into four driving areas 201, four sensing areas 202, and four fixed potential areas 218. From left to right, there are 1st to 10th data lines in the figure; from top to bottom, there are 1st to 4th scan lines in the figure.
  • the first set of first type of data lines 206 includes first and second data lines 206.
  • the first set of third type of group data lines 206 includes fourth and fifth data lines 206.
  • the first set of second type of group data lines 206 includes a third data line 206.
  • the second set of first type of data lines 206 includes sixth and seventh data lines 206.
  • the second set of third type of data lines 206 includes the ninth and tenth data lines 206.
  • the second set of second type of group data lines 206 includes an eighth data line 206.
  • the first set of scan lines 205 includes first and second scan lines 205.
  • the second set of scan lines 205 includes third and fourth scan lines 205.
  • the first driving region 201 includes four pixel electrodes 203 coupled to the first group of scan lines 205 and the first group of first type group data lines 206 through the pixel switches 204, and the second driving region 201 includes the pixel switches 204 respectively.
  • the first A set of scan lines 205 and a second set of first type group data lines 206 are coupled to four pixel electrodes 203
  • the third driving area 201 includes a pixel switch 204 and a second set of scan lines 205 and a first group respectively.
  • the four groups of pixel electrodes 203 coupled to the type group data line 206, the fourth driving area 201 includes four coupled to the second group of scan lines 205 and the second group of first type group data lines 206 through the pixel switches 204, respectively.
  • Pixel electrode 203 is one of pixels.
  • the first sensing area 202 includes two pixel electrodes 203 coupled to the first group of scan lines 205 and the first group of second type group data lines 206 through the pixel switches 204, and the second sensing area 202 includes the pixel switches 204 respectively.
  • Two pixel electrodes 203 coupled to the first set of scan lines 205 and the second set of second type set data lines 206, the third sensing area 202 including the pixel switch 204 and the second set of scan lines 205 and the first group respectively.
  • the second type of data line 206 is coupled to the two pixel electrodes 203
  • the fourth sensing area 202 includes a pixel switch 204 coupled to the second group of scan lines 205 and the second group of second type group data lines 206, respectively.
  • the first fixed potential region 218 includes two pixel electrodes 203 coupled to the first group of scan lines 205 and the first group of third type group data lines 206 through the pixel switches 204, respectively.
  • the second fixed potential region 218 includes a pixel switch. 204.
  • Two pixel electrodes 203 coupled to the first set of scan lines 205 and the second set of third type set data lines 206, respectively.
  • the third fixed potential region 218 includes a pixel switch 204 and a second set of scan lines 205, respectively.
  • the first set of third type group data lines 206 are coupled to the two pixel electrodes 203
  • the fourth fixed potential area 218 includes the pixel switch 204 and the second set of scan lines 205 and the second set of third type set data lines 206, respectively.
  • Two pixel electrodes 203 coupled to each other.
  • the pixel electrode 203 in the driving region 201 functions as a touch driving electrode in a touch mode; the pixel electrode 203 in the sensing region 202 is used as a touch sensing electrode in a touch mode; and the pixel electrode 203 in the fixed potential region 218 is in a touch mode
  • a fixed potential is applied to the lower side.
  • the fixed potential is the ground potential.
  • FIG. 2E Another alternative embodiment of the touch panel provided by the embodiment of the present application is similar to the embodiment shown in FIG. 2E, wherein the multiple sets of data lines further include a third type group, and the first type group is placed in the second Between the type group and the third type group; the touch detection circuit 210 applies a fixed potential to the third type group.
  • the touch detection circuit 210 applies a fixed potential to the third type group.
  • FIG. 3 is a flow chart showing the steps of the touch detection method of the touch panel provided by the embodiment.
  • the embodiment of the present invention provides a touch detection method for a touch panel.
  • the pixel array of the touch panel has been disclosed in the first embodiment, and includes:
  • Step S301 using the first scan driving circuit to provide a first scan driving signal to the first group of scan lines, and performing steps
  • step S302 During the receiving of the first scan driving signal by the first group of scan lines 205 in step S301, all of the scan lines 205 of the set of scan lines 205 simultaneously receive the first scan driving signal.
  • Step S302 during the first scan driving circuit providing the first scan driving signal, using the touch detection circuit to provide a touch driving signal to the first type group of the plurality of sets of data lines, and using the touch detecting circuit from the plurality of sets of data lines The touch sensing signal is detected on the second type group, and step S303 is performed.
  • Step S302 further includes: providing a touch drive signal to the first type of the plurality of sets of data lines 206 by the touch detection circuit 210; applying the touch drive signal to the pixels within the drive area 201 by the first type of the data line 206
  • the electrode 203, the pixel electrode 203 in the driving region 201 serves as a touch driving electrode.
  • step S302 during the first scan driving circuit is provided by the first scan driving circuit, the touch detection circuit is configured to provide a touch driving signal to the first type of the plurality of sets of data lines, while using the touch The detection circuit detects a touch sensing signal from a second type of group of the plurality of sets of data lines.
  • step S302 during the first scan driving circuit providing the first scan driving signal, the touch detection circuit is first provided with a touch driving signal to the first type of the plurality of sets of data lines, and then used.
  • the touch detection circuit detects a touch sensing signal from a second type of group of the plurality of sets of data lines.
  • Step S302 further includes: the pixel electrode 203 of the sensing region 202 transmits the touch sensing signal to the second type group of the data line 206, and the pixel electrode 203 of the sensing region 202 is used as the touch sensing electrode; A touch sensing signal on a second type of group of the plurality of sets of data lines 206 is detected.
  • Step S303 the first scan driving circuit is used to provide the first scan driving signal to the second group of scan lines, and step S302 is performed, wherein the second group of scan lines are adjacent to the first group of scan lines and the first scan is not provided. Drive signal.
  • the first scan drive circuit is used to provide a first scan drive signal to a set of scan lines.
  • the first scan driver circuit simultaneously supplies a first scan drive signal to all of the scan lines 205 in the set of scan lines 205.
  • the touch detecting circuit supplies the touch driving signal to the first type group of the plurality of sets of data lines, and uses the touch detecting circuit from the second of the plurality of sets of data lines The touch sensing signal is detected on the type group.
  • FIG. 4A is a schematic structural diagram of a touch display panel according to the embodiment.
  • This embodiment provides a touch display panel, as shown in FIG. 4A, including:
  • the pixel array includes a plurality of sets of scan lines 205, a plurality of sets of data lines 206 perpendicularly intersecting the plurality of sets of scan lines 205, and a plurality of sets of scan lines 205 and the plurality of sets of data lines 206 respectively coupled Pixel units, wherein the plurality of sets of data lines 206 comprise a first type group and a second type group that are spaced apart from each other.
  • the plurality of Each pixel unit in the pixel unit is disposed in a region surrounded by two adjacent scan lines 205 and two adjacent data lines 206, wherein each pixel unit includes at least one pixel electrode 203 and one pixel switch 204.
  • the pixel electrode 203 is coupled to the corresponding scan line 205 and the data line 206 through the pixel switch 204.
  • each pixel unit includes one pixel electrode 203 and one pixel switch 204, and each pixel electrode 203 corresponds to one data line 206 and one scan line 205, respectively, and the adjacent two pixel electrodes 203 are independently Corresponding to one data line 206 and one scan line 205.
  • the pixel switch 204 can be a TFT.
  • the specific meaning of the pixel electrode 203 being coupled to the corresponding scan line 205 and the data line 206 through the pixel switch 204 is that the pixel electrode 203 is respectively coupled to the corresponding scan line 205 and the data line 206 through the TFT, and the gate of the TFT.
  • the scan line 205 is electrically connected, the source of the TFT is electrically connected to the data line 206, and the drain of the TFT is electrically connected to the pixel electrode 203.
  • Each of the plurality of sets of scan lines 205 includes one scan line 205 or a plurality of scan lines 205; each of the plurality of sets of data lines 206 includes one data line 206 or a plurality of data lines 206.
  • the number of scan lines 205 in each set of scan lines 205 is the same or different.
  • the number of scan lines 205 in each set of scan lines 205 is the same.
  • the number of scanning lines 205 in each group is from 2 to 1000.
  • the number of data lines 206 in each group is from 1 to 1000.
  • the data lines 206 in the pixel array of Figure 4A include four groups, two of which are a first type of group, and two of which are second type groups that are spaced apart from each other by a first type of group. From left to right, the first group of first type group data lines 206 includes first and second data lines 206, and the second group of first type group data lines 206 includes fourth and fifth data lines 206; from left to right
  • the first set of second type group data lines 206 includes a third data line 206, and the second set of second type set data lines 206 includes a sixth data line 206.
  • the touch detection circuit 210 is electrically connected to the plurality of sets of data lines 206. During each set of scan lines 205 receiving the first scan drive signal, the touch detection circuit 210 is directed to the first type of the plurality of sets of data lines 206. Providing a touch driving signal, and detecting a touch sensing signal from a second type of the plurality of sets of data lines 206;
  • the second scan driving circuit 211 is electrically connected to the plurality of scan lines 205, and after receiving the first scan driving signal, each set of scan lines 205 provides a second scan driving signal to the set of scan lines 205; Second scan The driving circuit 211, after each set of scan lines 205 receives the first scan driving signal, sequentially supplies a second scan driving signal to each of the scan lines of the set of scan lines 205 one by one;
  • the first scan driving circuit 209 simultaneously supplies a first scan driving signal to all of the scanning lines in a group of scanning lines.
  • the first scan driving circuit 209 and the second scan driving circuit 211 are integrated in the same circuit.
  • the "sequential group by group" appearing in this application means operating in groups in the logical order of the packets.
  • the first scan driving circuit 209 sequentially supplies a first scan driving signal to the groups of scan lines 205 in groups, in other words, the first scan circuit first supplies the first set of scan lines 205.
  • the first scan drive signal, and then the first scan circuit provides a first scan drive signal to the second set of scan lines 205.
  • the first type of group and the second type of data line in combination with the scan line divide the pixel array into four drive regions 201 and four sensing regions 202.
  • the first driving region 201 includes four pixel electrodes 203 coupled to the first group of scan lines 205 and the first group of first type group data lines 206 through the pixel switches 204, and the second driving region 201 includes a pixel switch.
  • the third driving region 201 includes a pixel switch 204 and a second group of scan lines 205 and A set of first pixel data lines 206 are coupled to four pixel electrodes 203, and the fourth driving region 201 includes a pixel switch 204 coupled to the second group of scan lines 205 and the second group of first type group data lines 206, respectively.
  • the four sensing electrodes 202 are included; the first sensing region 202 includes two pixel electrodes 203 coupled to the first group of scan lines 205 and the first group of second type group data lines 206 through the pixel switches 204, and the second sensing
  • the area 202 includes a pixel switch 204 and a first set of scan lines, respectively
  • the third sensing area 202 includes a pixel switch 204 and a second set of scan lines 205 and a first set of second type of data lines
  • the two pixel electrodes 203 coupled to the second sensing region 202 include two pixel electrodes 203 coupled to the second group of scan lines 205 and the second group of second type group data lines 206 through the pixel switches 204, respectively.
  • the pixel electrode 203 in the driving region 201 functions as a touch driving electrode in a touch mode
  • the pixel electrode 203 in the sensing region 202 is used as a touch sensing electrode in a touch mode.
  • a mutual capacitance is formed between the pixel electrode 203 in the driving region 201 and the pixel electrode 203 in the sensing region 202.
  • FIG. 4B is a schematic structural diagram of an alternative embodiment of the touch display panel provided by the embodiment.
  • the touch display panel shown in FIG. 4B includes a pixel array including a plurality of sets of scan lines 205, a plurality of sets of data lines 206 perpendicularly intersecting the plurality of sets of scan lines 205, and the plurality of sets of scan lines 205 and The group of data lines 206 are respectively coupled to a plurality of pixel units, and each of the pixel units includes a pixel electrode 203 and a pixel switch 204.
  • the touch display panel further includes a first scan driving circuit 209, a touch detection circuit 210, and a second scan driving circuit 211. And data drive circuit 212.
  • first scan driving circuit 209, the touch detection circuit 210, the second scan driving circuit 211, and the data driving circuit 112 reference may be made to the corresponding embodiment of FIG. 4A, and details are not described herein again.
  • the pixel array is arranged in a double gate manner, that is, the same row of pixel electrodes 203 share two scan lines 205, and each adjacent two columns of pixels share one data line 206.
  • the pixel electrode 203 in the odd row in the same row is coupled to one of the scan lines 205 through the pixel switch 204
  • the pixel electrode 203 in the even column is coupled to the pixel switch 204 through the pixel switch 204.
  • Another scanning line 205 from left to right, the first column and the second column of pixel electrodes 203 are coupled to the first data line 206 through the pixel switch 204, and the third column and the fourth column of pixel electrodes 203 pass through the pixel.
  • the switch 204 is coupled to the second data line 206, and so on. 4B, further comprising a first scan driving circuit 209 electrically connected to the plurality of sets of scan lines 205; a touch detection circuit 210 electrically connected to the plurality of sets of data lines 206; and a second scan driving circuit 211,
  • the plurality of sets of scan lines 205 are electrically connected; the data driving circuit 212 is electrically connected to the plurality of data lines 206.
  • the driving area 201 includes twelve pixel electrodes 203 coupled to each of the scanning lines 205 and the three data lines 206 from the left by the pixel switches 204, respectively.
  • the sensing area 202 includes four pixel electrodes 203 coupled to each of the scanning lines 205 and the fourth data line 206 from the left through the pixel switches 204.
  • the driving area 201 and the sensing area 202 reference may be made to the embodiment corresponding to the above-mentioned FIG. 4A, which is not mentioned here.
  • FIG. 4D is a schematic structural diagram of an alternative embodiment of the touch display panel provided by the embodiment.
  • the multiple sets of data lines further include a third type group, where the third type group is located between the first type group and the second type group;
  • the touch detection circuit 210 applies a fixed potential to the third type group.
  • the first type group, the second type group, and the third type group data line are combined with the scan lines to divide the pixel array into four driving areas 201, four sensing areas 202, and four fixed potential areas 218. From left to right, there are 1st to 10th data lines in the figure; from top to bottom, there are 1st to 4th scan lines in the figure.
  • the first set of first type of data lines 206 includes first and second data lines 206.
  • the first set of third type group data lines 206 are the third and fourth data lines 206.
  • the first set of second type of group data lines 206 is the fifth data line 206.
  • the second group of first type group data lines 206 are the sixth and seventh data lines 206.
  • the second group of third type group data lines 206 are the eighth and nineth data lines 206.
  • the second set of second type group data lines 206 is the 10th data line 206.
  • the first set of scan lines 205 are the first and second scan lines 205.
  • the second set of scan lines 205 are the third and fourth scan lines 205.
  • the first driving region 201 includes four pixel electrodes 203 coupled to the first group of scan lines 205 and the first group of first type group data lines 206 through the pixel switches 204, and the second driving region 201 includes the pixel switches 204 respectively.
  • the fourth drive region 201 includes four pixel electrodes 203 coupled to the second set of scan lines 205 and the first set of first type of data lines 206 through pixel switches 204, respectively, and the fourth drive region 201 includes a second group through pixel switches 204 and Scan line 205 Four pixel electrodes 203 coupled to the second set of first type of data lines 206.
  • the first sensing area 202 includes two pixel electrodes 203 coupled to the first group of scan lines 205 and the first group of second type group data lines 206 through the pixel switches 204, and the second sensing area 202 includes the pixel switches 204 respectively.
  • Two pixel electrodes 203 coupled to the first set of scan lines 205 and the second set of second type set data lines 206, the third sensing area 202 including the pixel switch 204 and the second set of scan lines 205 and the first group respectively.
  • the second type of data line 206 is coupled to the two pixel electrodes 203
  • the fourth sensing area 202 includes a pixel switch 204 coupled to the second group of scan lines 205 and the second group of second type group data lines 206, respectively.
  • the first fixed potential region 218 includes two pixel electrodes 203 coupled to the first group of scan lines 205 and the first group of third type group data lines 206 through the pixel switches 204, respectively.
  • the second fixed potential region 218 includes a pixel switch. 204.
  • Two pixel electrodes 203 coupled to the first set of scan lines 205 and the second set of third type set data lines 206, respectively.
  • the third fixed potential region 218 includes a pixel switch 204 and a second set of scan lines 205, respectively.
  • the first set of third type group data lines 206 are coupled to the two pixel electrodes 203
  • the fourth fixed potential area 218 includes the pixel switch 204 and the second set of scan lines 205 and the second set of third type set data lines 206, respectively.
  • Two pixel electrodes 203 coupled to each other.
  • the pixel electrode 203 in the driving region 201 functions as a touch driving electrode in a touch mode
  • the pixel electrode 203 in the sensing region 202 is used as a touch sensing electrode in a touch mode
  • the pixel electrode 203 in the fixed potential region 218 is in a touch mode.
  • a fixed potential is applied to the lower side. In general, the fixed potential is the ground potential.
  • FIG. 4E is a schematic structural diagram of an alternative embodiment of the touch display panel provided by the embodiment.
  • the multiple sets of data lines further include a third type group, and the second type group is between the first type group and the third type group;
  • the touch detection circuit applies a fixed potential to the third type group.
  • the first type group, the second type group, and the third type group data line are combined with the scan lines to divide the pixel array into four driving areas 201, four sensing areas 202, and four fixed potential areas 218. From left to right, there are 1st to 10th data lines in the figure; from top to bottom, there are 1st to 4th scan lines in the figure.
  • the first set of first type group data lines 206 are the first and second data lines 206.
  • the first set of third type group data lines 206 are the fourth and fifth data lines 206.
  • the first set of second type of group data lines 206 is the third data line 206.
  • the second group of first type group data lines 206 are the sixth and seventh data lines 206.
  • the second set of third type group data lines 206 are the ninth and tenth data lines 206.
  • the second set of second type of data lines 206 is the eighth data line 206.
  • the first set of scan lines 205 are the first and second scan lines 205.
  • the second set of scan lines 205 are the third and fourth scan lines 205.
  • the first driving region 201 includes four pixel electrodes 203 coupled to the first group of scan lines 205 and the first group of first type group data lines 206 through the pixel switches 204, and the second driving region 201 includes the pixel switches 204 respectively.
  • the pixel electrodes 203 and the fourth driving region 201 include four pixel electrodes 203 coupled to the second group of scan lines 205 and the second group of first type group data lines 206 through the pixel switches 204, respectively.
  • the first sensing area 202 includes two pixel electrodes 203 coupled to the first group of scan lines 205 and the first group of second type group data lines 206 through the pixel switches 204, and the second sensing area 202 includes the pixel switches 204 respectively.
  • Two pixel electrodes 203 coupled to the first set of scan lines 205 and the second set of second type set data lines 206, the third sensing area 202 including the pixel switch 204 and the second set of scan lines 205 and the first group respectively.
  • the second type of data line 206 is coupled to the two pixel electrodes 203
  • the fourth sensing area 202 includes a pixel switch 204 coupled to the second group of scan lines 205 and the second group of second type group data lines 206, respectively.
  • the first fixed potential region 218 includes two pixel electrodes 203 coupled to the first group of scan lines 205 and the first group of third type group data lines 206 through the pixel switches 204, respectively.
  • the second fixed potential region 218 includes a pixel switch. 204.
  • Two pixel electrodes 203 coupled to the first set of scan lines 205 and the second set of third type set data lines 206, respectively.
  • the third fixed potential region 218 includes a pixel switch 204 and a second set of scan lines 205, respectively.
  • the first set of third type group data lines 206 are coupled to the two pixel electrodes 203
  • the fourth fixed potential area 218 includes the pixel switch 204 and the second set of scan lines 205 and the second set of third type set data lines 206, respectively.
  • Two pixel electrodes 203 coupled to each other.
  • the pixel electrode 203 in the driving region 201 functions as a touch driving electrode in a touch mode
  • the pixel electrode 203 in the sensing region 202 is used as a touch sensing electrode in a touch mode
  • the pixel electrode 203 in the fixed potential region 218 is in a touch mode.
  • a fixed potential is applied to the lower side. In general, the fixed potential is the ground potential.
  • FIG. 4E Another alternative embodiment of the touch display panel provided by the embodiment of the present application is similar to the embodiment shown in FIG. 4E, wherein the multiple sets of data lines further include a third type group, and the first type group is placed in the first Between the second type group and the third type group; the touch detection circuit applies a fixed potential to the third type group.
  • the multiple sets of data lines further include a third type group, and the first type group is placed in the first Between the second type group and the third type group; the touch detection circuit applies a fixed potential to the third type group.
  • the touch display panel further includes a control circuit (not shown in the drawing), and the first scan driving circuit 209, the second scan driving circuit 211, the touch detecting circuit 210, and the data driving circuit 212. Electrically connected to coordinate the timing of operation between the first scan driving circuit 209, the second scan driving circuit 211, the touch detecting circuit 210, and the data driving circuit 212.
  • FIG. 4C is a schematic structural diagram of an alternative embodiment of the touch display panel provided by the embodiment.
  • the touch display panel includes: a first substrate 213, a second substrate 217 opposite to the first substrate 213, a pixel array 214, a common electrode layer 216, and a liquid crystal layer 215, wherein the pixel array
  • the 214 is disposed on a surface of the first substrate 213 facing the second substrate 217 .
  • a common electrode layer 216, a liquid crystal layer 215, a pixel array 214, and a first substrate 213 are sequentially disposed on the second substrate 217.
  • the first substrate 213 can be selected from a color film (CF, color f i l ter ) substrate, and the CF is colored or black and white.
  • the embodiment further provides a segment of the pixel array as shown in FIG. 2B, wherein each of the first type group and the second type group of the data line 206 has three data lines 206, and each group There are also three scanning lines 205.
  • Figure Shown in 2B is a segment of a pixel array comprising two sets of scan lines 205 (not shown in the drawing), a set of data lines 206 of the first type group (first to third data lines 206 from the left) and a second set The data line 206 of the type group (fourth to six data lines 206 from the left), wherein each pixel unit includes a TFT switch (not shown in the drawing) and a pixel electrode 203.
  • the touch detection circuit applies a touch driving signal to the first type group of the data lines 206, thereby applying the touch driving signals to the driving region 201.
  • the touch detection circuit detects the touch sensing signal from the sensing area 202 through the second type of data line 206.
  • a mutual capacitance is formed between the pixel electrode 203 in the driving region 201 and the pixel electrode 203 in the sensing region 202, whereby the touch of the finger or the stylus in the first touch region 207 can be detected by the touch detecting circuit.
  • the touch of the finger or stylus in the second touch area 208 is also detected by the touch detection circuit 210 while being mutually capacitive between the data line 206 of the first type group and the data line 206 of the second type group. The change will be detected. This is because the mutual capacitance ratio between the data lines 206 (ie, the area enclosed by the second set of scan lines 205) is between the large-area pixel electrodes 203 (ie, the area enclosed by the first set of scan lines 205). The mutual capacitance is significantly smaller. Thus the signal of the second touch zone 208 can be distinguished from the signal in the first touch zone 207.
  • FIG. 5A is a flow chart showing the steps of the touch detection and display method of the touch display panel provided by the embodiment.
  • the embodiment provides a touch detection and display method for a touch panel, including:
  • Step S501 The first scan driving circuit is used to provide the first scan driving signal to the first group of scan lines, and step S502 is performed. During the receiving of the first scan driving signal by the set of scan lines 205 in step S501, all of the scan lines 205 of the set of scan lines 205 simultaneously receive the first scan drive signal.
  • Step S502 During the first scan driving circuit providing the first scan driving signal, the touch detection circuit applies the touch driving signal to the first type group of the plurality of sets of data lines, and uses the touch detection circuit to generate data from the plurality of groups.
  • the touch sensing signal is detected on the second type group in the line, and step S503 is performed.
  • Step S502 further includes: using the touch detection circuit 210 to provide a touch drive signal to the first type of the plurality of sets of data lines 206; applying the touch drive signal to the pixel electrodes in the drive region 201 by the first type of the data line 206; 203.
  • the pixel electrode 203 in the driving region 201 functions as a touch driving electrode.
  • step S502 during the first scan driving circuit 209 providing the first scan driving signal, the touch detection circuit is configured to provide a touch driving signal to the first type group of the plurality of sets of data lines, while using the touch The detection circuit detects a touch sensing signal from a second type of group of the plurality of sets of data lines.
  • Step S502 further includes: the pixel electrode 203 of the sensing region 202 transmits a touch sensing signal to the data line 206 On the second type group, the pixel electrode 203 of the sensing area 202 is used as the touch sensing electrode; the touch detection circuit 210 detects the touch sensing signal on the second type group of the plurality of sets of data lines 206.
  • Step S 503 After the first scan driving circuit supplies the first scan driving signal, the second scan driving circuit supplies the second scan driving signal to the set of scan lines, and step S504 is performed. During the receiving of the second scan driving signal by the set of scan lines 205 in step S503, all the scan lines 205 of the set of scan lines 205 sequentially receive the second scan drive signals one by one.
  • Step S 504 During the second scan driving circuit providing the second scan driving signal, the data driving circuit supplies the image data signal to the plurality of sets of data lines, and step S505 is performed.
  • step S504 the data driving circuit 212 can provide the graphic data line signals to the plurality of sets of data lines simultaneously or time-divisionally.
  • Step S505 the first scan driving circuit is used to supply the first scan driving signal to the second group of scan lines, and step S502 is performed, wherein the second group of scan lines are adjacent to the first group of scan lines and the first scan drive signal is not provided. .
  • the first scan drive circuit is used to provide a first scan drive signal to a set of scan lines.
  • the first scan driver circuit simultaneously supplies a first scan drive signal to all of the scan lines 205 in the set of scan lines 205.
  • the touch detection circuit applies the touch driving signal to the first type group of the plurality of sets of data lines, and uses the touch detection circuit from the plurality of sets of data lines The touch sensing signal is detected on the second type group.
  • the second scan driving circuit supplies the second scan driving signal to the set of scanning lines.
  • the data driving circuit supplies an image data signal to the plurality of sets of data lines during the second scan driving circuit providing the second scan driving signal.
  • the first scan driving circuit supplies the first scan driving signal to the next scan line
  • the touch detection circuit applies the touch drive signal to the plurality of sets of data during the first scan driving circuit to provide the first scan driving signal.
  • the touch detection circuit On the first type of group in the line, and using the touch detection circuit to detect the touch sensing signal from the second type of the plurality of sets of data lines. Two sets of scan lines are adjacent, and the next set of scan lines are not provided with the first scan drive signal.
  • FIG. 5B is a timing diagram showing a touch detection and display method of the touch display panel provided by the embodiment.
  • the scan line 205 receives the first scan driving signal
  • the pixel array is in the touch mode, the corresponding pixel electrode 203 signal is relatively active, and the pixel electrode 203 signal exhibits sinusoidal oscillation;
  • the scan line 205 receives the second scan driving signal
  • the pixel array is in the display mode, the corresponding pixel electrode 203 signal is relatively stable, and the pixel electrode 203 signal exhibits a high potential signal.

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Abstract

本申请提供一种触摸面板，包括像素阵列、第一扫描驱动电路和触摸检测电路。本申请还提供上述触摸面板的触摸检测方法。本申请还提供一种触摸显示面板，包括像素阵列、第一扫描驱动电路、触摸检测电路、第二扫描驱动电路和数据驱动电路。本申请还提供上述触摸显示面板的触摸检测及显示方法。利用有源矩阵显示面板自身的像素阵列制作触摸传感器，利用有源矩阵显示面板原有的扫描线和驱动线，通过驱动信号的变化使像素阵列同时实现触摸检测和显示图形的功能，避免增加额外的电路组件，降低了触摸显示面板的生产成本。

Description

触摸面板、 触摸显示面板、 触摸检测及显示方法 本申请要求在 2012年 6月 29日提交中国专利局、 申请号为 201210220465.9、 发明名称为
"触摸面板、 触摸显示面板、 触摸检测及显示方法"的中国专利申请的优先权， 其全部内容通过 引用结合在本申请中。 技术领域 本申请涉及液晶显示面板技术领域， 尤其涉及触摸面板、 触摸显示面板、 触摸检测及 显示方法。 背景技术 带触摸功能的显示终端越来越受到人们的欢迎， 将有源矩阵显示面板（如液晶显示面 板 ( LCD, Liquid Crys ta l Di splay ), 有机发光二极管显示面板 ( OLED, Organic Light Emi t t ing Diode ) ) 与触摸传感器结合在一起成为一个重要的研发课题。 按照有源矩阵显 示面板与触摸传感器的结合方式， 可以分为外挂式触摸展和内嵌式触摸展。 外挂式触摸展 指的是有源矩阵显示面板与触摸传感器分别制作在两个独立的模块当中， 然后将二者组装 在一起。 外挂式触摸展的缺点是触摸传感器与有源矩阵显示面板组装后整个装置的厚度较 厚， 生产成本较高。 内嵌式触摸展是将触摸传感器集成到有源矩阵显示面板当中， 可以大 大减薄整个装置的厚度和减轻重量。 然而内嵌式触摸展将触摸传感器集成到有源矩阵显示 面板当中， 会带来一些问题， 例如在两部分之间产生寄生电容， 由额外增加的触摸传感电 极导致的液晶单元的电场的变化， 器件性能退化以及开口率的降低等； 另外， 现有的大部 分的内嵌式触摸展的触摸传感器需要额外工艺制作， 增加了生产成本。 利用有源矩阵显示 面板本身的结构制作触摸传感器就可以大大减少生产成本， 并进一步减小二者结合后的触 摸显示面板的厚度。
图 1所示为现有技术中一种利用液晶显示面板的公共电极层制作触摸传感器的结构示 意图。
参照图 1 , 现有技术的一种集成触摸展的液晶显示面板， 釆用公共电极层 100制作触摸 传感器。 该公共电极层 100包括多个呈矩阵分布的公共电极 101。 触摸检测时， 该公共电极 层 100被分成互相间隔分布的由传感区 103以及若千驱动区片段 102组成的驱动区， 所述驱 动区和传感区 103的形成需要额外增加引线以实现公共电极层 100的模式切换。 额外增加的 引线将增加工艺复杂程度并进一步增加生产成本。 发明内容 本申请所要解决的技术问题是，提供触摸面板、触摸显示面板、触摸检测及显示方法。 为了解决上述问题， 本申请提供了一种触摸面板， 包括：
像素阵列，所述像素阵列包括多组扫描线、与所述多组扫描线垂直交叉的多组数据线、 与所述多组扫描线和多组数据线分别耦接的多个像素单元， 其中所述多组数据线包括相互 间隔分布的第一类型组和第二类型组；
第一扫描驱动电路， 与所述多组扫描线电学连接， 依次逐组地向所述各组扫描线提供 一第一扫描驱动信号；
触摸检测电路， 与所述多组数据线电学连接， 在每组扫描线接收第一扫描驱动信号期 间， 所述触摸检测电路向所述多组数据线中的第一类型组提供一触摸驱动信号， 并从所述 多组数据线中的第二类型组检测触摸感应信号。
所述多组数据线还包括第三类型组， 所述第三类型组位于第一类型组和第二类型组之 间； 或者所述第二类型组位于第一类型组和第三类型组之间； 或者所述第一类型组位于第 二类型组和第三类型组之间。
所述触摸检测电路将一固定电位施加于所述多组数据线中的所述第三类型组。
每组扫描线中扫描线的数量相同。
同一类型组中每组数据线中数据线的数量相同。
所述触摸面板还包括控制电路， 与所述第一扫描驱动电路及触摸检测电路电连接， 以 协调所述第一扫描驱动电路和触摸检测电路之间的工作时序。
为了解决上述问题， 本申请还提供了一种触摸面板的触摸检测方法， 包括： 步骤 1、 釆用第一扫描驱动电路向一组扫描线提供第一扫描驱动信号， 执行步骤 2； 步骤 2、 在第一扫描驱动电路提供第一扫描驱动信号期间， 釆用触摸检测电路向多组 数据线中的第一类型组提供触摸驱动信号， 并釆用触摸检测电路从多组数据线中的第二类 型组上检测触摸感应信号， 执行步骤 3 ;
步骤 3、 釆用第一扫描驱动电路向下一组扫描线提供第一扫描驱动信号， 执行步骤 2 , 其中两组扫描线相邻、 且所述下一组扫描线未被提供第一扫描驱动信号。
所述步骤 1具体包括：釆用第一扫描驱动电路向第一组扫描线提供第一扫描驱动信号， 执行步骤 2 ;
所述步骤 3具体包括：釆用第一扫描驱动电路向第二组扫描线提供第一扫描驱动信号， 执行步骤 2 , 其中第二组扫描线与第一组扫描线相邻且未被提供第一扫描驱动信号。
步骤 1中所述第一组扫描线接收第一扫描驱动信号期间， 该组扫描线中所有扫描线均 同时接收第一扫描驱动信号。 为了解决上述问题， 本申请还提供了一种触摸显示面板， 包括：
像素阵列，所述像素阵列包括多组扫描线、与所述多组扫描线垂直交叉的多组数据线、 与所述多组扫描线和多组数据线分别耦接的多个像素单元， 其中所述多组数据线包括相互 间隔分布的第一类型组和第二类型组；
第一扫描驱动电路， 与所述多组扫描线电学连接， 依次逐组地向所述各组扫描线提供 一第一扫描驱动信号；
触摸检测电路， 与所述多组数据线电学连接， 在每组扫描线接收第一扫描驱动信号期 间， 所述触摸检测电路向所述多组数据线中的第一类型组提供一触摸驱动信号， 并从所述 多组数据线中的第二类型组检测触摸感应信号；
第二扫描驱动电路， 与所述多组扫描线电学连接， 在每组扫描线接收完第一扫描驱动 信号后向该组扫描线提供一第二扫描驱动信号；
数据驱动电路， 与所述多条数据线电学连接， 在每行扫描线接收第二扫描驱动信号期 间， 所述数据驱动电路向所述多条数据线提供图像数据信号。
所述多组数据线还包括第三类型组， 所述第三类型组介于第一类型组和第二类型组之 间； 或者所述第二类型组介于第一类型组和第三类型组之间； 或者所述第一类型组介于第 二类型组和第三类型组之间。
所述触摸检测电路将一固定电位施加于所述多组数据线中的所述第三类型组。
所述多组扫描线， 每组扫描线中的每组扫描线包括一条扫描线或多条扫描线； 所述多 组数据线， 每组数据线中的每组数据线包括一条数据线或多条数据线。
每组扫描线中扫描线的数量相同。
同一类型组中每组数据线中数据线的数量相同。
所述第一扫描驱动电路同时向一组扫描线中的所有扫描线提供第一扫描驱动信号， 所 述第二扫描驱动电路， 在每组扫描线同时接收完第一扫描驱动信号后依次逐行向该组扫描 线中各条扫描线提供第二扫描驱动信号。
所述触摸显示面板还包括控制电路， 与所述第一扫描驱动电路、 第二扫描驱动电路、 触摸检测电路、数据驱动电路电连接， 以协调所述第一扫描驱动电路、 第二扫描驱动电路、 触摸检测电路和数据驱动电路之间的工作时序。
所述第一扫描驱动电路、 第二扫描驱动电路集成于同一电路中。
所述触摸显示面板还包括： 第一基板、 与所述第一基板相对的第二基板， 所述像素阵 列设置于所述第一基板面向所述第二基板的表面上。
为了解决上述问题，本申请还提供了一种触摸显示面板的触摸检测及显示方法， 包括： 步骤 1、 釆用第一扫描驱动电路向一组扫描线提供第一扫描驱动信号， 执行步骤 2； 步骤 2、 在第一扫描驱动电路提供第一扫描驱动信号期间， 釆用触摸检测电路将触摸 驱动信号施加至多组数据线中的第一类型组上， 并釆用触摸检测电路从多组数据线中的第 二类型组上检测触摸感应信号， 执行步骤 3;
步骤 3、 在第一扫描驱动电路提供第一扫描驱动信号后， 釆用第二扫描驱动电路向该 组扫描线提供第二扫描驱动信号， 执行步骤 4；
步骤 4、 在第二扫描驱动电路提供第二扫描驱动信号期间， 釆用数据驱动电路向所述 多组数据线提供图像数据信号， 执行步骤 5；
步骤 5、 釆用第一扫描驱动电路向下一组扫描线提供第一扫描驱动信号， 执行步骤 2 , 其中两组扫描线相邻、 且所述下一组扫描线未被提供第一扫描驱动信号。
所述步骤 1具体包括：釆用第一扫描驱动电路向第一组扫描线提供第一扫描驱动信号， 执行步骤 2 ;
所述步骤 5具体包括：釆用第一扫描驱动电路向第二组扫描线提供第一扫描驱动信号， 执行步骤 2 , 其中第二组扫描线与第一组扫描线相邻且未被提供第一扫描驱动信号。
步骤 1中所述第一扫描驱动电路同时向第一组扫描线中的所有扫描线提供第一扫描驱 动信号； 步骤 3中所述第二扫描驱动电路， 在该组扫描线同时接收完第一扫描驱动信号后 依次逐行向该组扫描线中各行描线提供第二扫描驱动信号。
本申请提供触摸面板、 触摸显示面板、 触摸检测及显示方法， 优点在于： 利用有源矩 阵显示面板自身的像素阵列制作触摸传感器， 利用有源矩阵显示面板原有的扫描线和驱动 线， 通过驱动信号的变化使像素阵列同时实现触摸检测和显示图形的功能， 避免增加额外 的电路组件， 降低了触摸显示面板的生产成本。 附图说明 图 1 是现有技术中一种利用液晶显示面板的公共电极层制作触摸传感器的结构示意 图；
图 2A是本申请提供的触摸面板实施例一的结构示意图；
图 2B是本申请提供的触摸面板实施例二的可选实施方式的像素阵列片段结构示意图； 图 2C是本申请提供的触摸面板实施例二的可选实施方式的结构示意图；
图 2D是本申请提供的触摸面板实施例二的可选实施方式的结构示意图；
图 2E是本申请提供的触摸面板实施例二的可选实施方式的结构示意图；
图 3是本申请提供的触摸面板的触摸检测方法实施例二的步骤流程图；
图 4A是本申请提供的触摸显示面板实施例三的结构示意图；
图 4B是本申请提供的触摸显示面板实施例三的可选实施方式的结构示意图； 图 4C是本申请提供的触摸显示面板实施例三的可选实施方式的结构示意图； 图 4D是本申请提供的触摸显示面板实施例三的可选实施方式的结构示意图； 图 4E是本申请提供的触摸显示面板实施例三的可选实施方式的结构示意图； 图 5A是本申请提供的触摸显示面板的触摸检测及显示方法实施例四的步骤流程图； 图 5B是本申请提供的触摸显示面板的触摸检测及显示方法实施例四的时序图。 具体实施方式 下面结合附图对本申请提供的触摸面板、 触摸显示面板、 触摸检测及显示方法的具体 实施方式^故详细说明。
实施例一
图 2A所示为本实施例提供的触摸面板的结构示意图。
本实施例提供了一种触摸面板， 包括：
像素阵列， 所述像素阵列包括多组扫描线 205、 与所述多组扫描线 205垂直交叉的多 组数据线 206、 与所述多组扫描线 205和多组数据线 206分别耦接的多个像素单元， 其中 所述多组数据线 206包括相互间隔分布的第一类型组和第二类型组。 具体而言， 所述多个 像素单元中的每一像素单元设置于扫描线 205和数据线 206的交叉处， 其中每一像素单元 至少包括一像素电极 203和一像素开关 204 , 所述像素电极 203通过像素开关 204与对应 的扫描线 205和数据线 206分别耦接。 本实施例中， 每个像素单元包括一个像素电极 203 和一个像素开关 204 , 且每个像素电极 203分别对应于一条数据线 206、 一条扫描线 205 , 相邻的两个像素电极 203分别独立地对应于一条数据线 206、 一条扫描线 205。 一般情况 下， 上述像素开关 204可选用薄膜场效应晶体管 （TFT, Thin Fi lm Trans i s tor )。 所述像 素电极 203通过像素开关 204与对应的扫描线 205和数据线 206分别耦接的具体含义就是 该像素电极 203通过 TFT与相应的扫描线 205和数据线 206分别耦接， TFT的栅极与扫描 线 205电学连接， TFT的源极与数据线 206电学连接， TFT的漏极与像素电极 203电学连 接。
其中， 相邻的两个像素电极 203分别独立地对应于一条数据线 206、 一条扫描线 205 , 是指： 同一排像素电极 203对应同一条栅线， 但分别对应不同的数据线； 同一列像素电极 203对应同一条数据线， 但分别对应不同的栅线。
所述多组扫描线 205中的每组扫描线 205包括一条扫描线 205或多条扫描线 205 ; 所 述多组数据线 206中的每组扫描线 205包括一条数据线 206或多条数据线 206。
各组扫描线 205中扫描线 205的数量相同或不相同。 优选地， 各组扫描线 205中扫描 线 205的数量相同。
作为可选的实施方式， 每组内扫描线 205的数量为 2条至 1000条。 例如， 如图 2A, 像素阵列中的扫描线 205共有两组， 每组有扫描线两条， 第一组扫描线包括上方两条扫描 线 205 , 第二组扫描线包括下方两条扫描线 205。
同一类型组中每组数据线 206中数据线 206的数量相同或不相同。 优选地， 同一类型 组中每组数据线 206中数据线 206的数量相同。
作为可选的实施方式， 每组内数据线 206的数量为 1条至 1000条。 例如， 图 2A中像 素阵列中的数据线 206包括四组， 其中两组为第一类型组， 两组为与第一类型组互相间隔 分布的第二类型组。从左往右数，第一组第一类型组数据线 206包括第 1、 2条数据线 206 , 第二组第一类型组数据线 206包括第 4、 5条数据线 206; 从左往右数， 第一组第二类型组 数据线 206包括第 3条数据线 206 , 第二组第二类型组数据线 206包括第 6条数据线 206。
所述触摸面板还包括： 第一扫描驱动电路 209 , 与所述多组扫描线 205电学连接， 依 次逐组地向所述各组扫描线 205提供一第一扫描驱动信号。
所述触摸面板还包括触摸检测电路 210 , 与所述多组数据线 206电学连接， 在每组扫 描线 205接收第一扫描驱动信号期间， 所述触摸检测电路 210向所述多组数据线 206中的 第一类型组提供一触摸驱动信号， 并从所述多组数据线 206中的第二类型组检测触摸感应 信号。
本申请中出现的 "依次逐组" 表示按照分组的逻辑顺序一组一组地进行操作。 例如， 如图 2A,第一扫描驱动电路 209依次逐组地向所述各组扫描线 205提供一第一扫描驱动信 号， 换而言之， 第一扫描电路 209先向第一组扫描线 205提供第一扫描驱动信号， 然后第 一扫描电路 209向第二组扫描线 205提供第一扫描驱动信号。
所述第一类型组和第二类型组数据线结合扫描线将像素阵列分成四个驱动区 201 和 四个感应区 202。 其中， 第一驱动区 201 包括通过像素开关 204分别与第一组扫描线 205 和第一组第一类型组数据线 206相耦接的四个像素电极 203 , 第二驱动区 201 包括通过像 素开关 204分别与第一组扫描线 205和第二组第一类型组数据线 206相耦接的四个像素电 极 203 , 第三驱动区 201包括通过像素开关 204分别与第二组扫描线 205和第一组第一类 型组数据线 206相耦接的四个像素电极 203 , 第四驱动区 201包括通过像素开关 204分别 与第二组扫描线 205和第二组第一类型组数据线 206相耦接的四个像素电极 203; 第一感 应区 202包括通过像素开关 204分别与第一组扫描线 205和第一组第二类型组数据线 206 相耦接的两个像素电极 203 , 第二感应区 202包括通过像素开关 204分别与第一组扫描线
205和第二组第二类型组数据线 206相耦接的两个像素电极 203 , 第三感应区 202 包括通 过像素开关 204分别与第二组扫描线 205和第一组第二类型组数据线 206相耦接的两个像 素电极 203 , 第四感应区 202包括通过像素开关 204分别与第二组扫描线 205和第二组第 二类型组数据线 206相耦接的两个像素电极 203。 驱动区 201 内的像素电极 203在触摸模 式下用作触摸驱动电极， 而感应区 202内的像素电极 203用于在触摸模式下用作触摸感应 电极。 驱动区 201内的像素电极 203和感应区 202内的像素电极 203之间形成互电容。 作为可选实施方式， 第一类型组为奇数组， 而第二类型组为偶数组。 或者第一类型组 为偶数组， 而第二类型组为奇数组。
图 2B所示为本实施例提供的触摸面板的可选实施方式的像素阵列片段结构示意图。 作为可选实施方式， 如图 2B所示， 其中数据线 206的第一类型组、 第二类型组的每 组数据线 206均为 3条， 而每组扫描线 205也为 3条。 图 2B中显示的是像素阵列一片段， 包括两组扫描线 205 (附图中未显示）， 一组第一类型组的数据线 206 (左起第一至三条数 据线 206 ) 以及一组第二类型组的数据线 206 (左起第四至六条数据线 206 ), 其中每个像 素单元包括一个 TFT开关 （附图中未显示）和一个像素电极 203。 当第一驱动信号被相应 地施加至第一组扫描线 205 , 且第二组扫描线 205悬空， 则第一组扫描线 205所对应的像 素电极 203均处于连通状态， 而第二组扫描线 205所对应的像素电极 203未连通（图 2B 中未连通的像素电极未画出）。 然后， 触摸检测电路将触摸驱动信号施加至数据线 206 的 第一类型组上， 从而将触摸驱动信号施加至驱动区 201。 接着， 触摸检测电路通过数据线 206的第二类型组从感应区 202检测得到触摸感应信号。 驱动区 201 内的像素电极 203和 感应区 202内的像素电极 203之间形成互电容， 由此在第一触摸区 207中的手指或尖笔的 触摸动作能被触摸检测电路检测到。
对于在第二触摸区 208中的手指或尖笔的触摸动作， 也被触摸检测电路 210检测到， 同时介于第一类型组的数据线 206和第二类型组的数据线 206之间互电容的改变将被检测 到。 这是由于数据线 206之间 （即第二组扫描线 205所围成的区域） 的互电容比介于大面 积像素电极 203之间 （即第一组扫描线 205所围成的区域） 的互电容明显小。 因此第二触 摸区 208的信号能和第一触摸区 207中的信号区分开。
也就是说， 在第一触摸区 207和第二触摸区 208均有触摸动作时。 第一触摸区 207的 触摸动作使得对应的驱动区的像素电极、 感应区的像素电极均与触摸物体（手指或笔尖） 之间产生寄生电容， 该寄生电容与原有的互电容（驱动区的像素电极与感应区的像素电极 之间的电容）之和为该区域改变后的互电容，该互电容的改变被检测到， 即第一触摸区 207 中的触摸物体（手指或笔尖） 的触摸动作被检测到。 第二触摸区 208的触摸动作对应的驱 动区的数据线、 感应区的数据线均与触摸物体之间产生寄生电容， 该寄生电容与原有的互 电容之和为该区域改变后的互电容， 该互电容的改变也被检测到， 即第二触摸区 208中的 触摸物体（手指或笔尖） 的触摸动作被检测到。 但是由于第二触摸区 208对应的扫描线悬 空， 相应的薄膜晶体管关闭， 相应的像素电极对互电容的变化没有影响， 只有该区域数据 线对互电容的变化有贡献， 但数据线对互电容的变化的贡献非常小， 因此， 可以区分第一 触摸区 207的触摸动作与第二触摸区 208的触摸动作， 进而忽略第二触摸区 208的触摸动 作， 避免误判。 图 2C是本实施例提供的触摸面板的可选实施方式的结构示意图。
图 2C所示的触摸面板包括像素阵列， 所述像素阵列包括多组扫描线 205、 与所述多组 扫描线 205垂直交叉的多组数据线 206、 与所述多组扫描线 205和多组数据线 206分别耦 接的多个像素单元， 每个像素单元包括一个像素电极 203和一个像素开关 204。 所述触摸 面板还包括第一扫描驱动电路 209和触摸检测电路 210。 对于第一扫描驱动电路 209和触 摸检测电路 110的描述可以参照上述图 2 A对应的实施例， 这里不再赘述。
作为一个可选实施方式， 如图 2C所示。 像素阵列排布的方式为双栅（DUAL GATE ) 方 式， 即同一行像素电极 203共用两条扫描线 205 , 每相邻的两列像素共用一条数据线 206。 图 2C中， 从左往右数， 同一行中的位于奇数列的像素电极 203通过像素开关 204耦接于 其中一根扫描线 205 , 而位于偶数列的像素电极 203通过像素开关 204耦接于另一根扫描 线 205 ; 从左往右数， 第一列和第二列像素电极 203通过像素开关 204均耦接于第一根数 据线 206 , 第三列和第四列像素电极 203通过像素开关 204均耦接于第二根数据线 206 , 以此类推。
图 2C所示的触摸面板中， 驱动区 201 包括通过像素开关 204分别与每条扫描线 205 和左起的三条数据线 206相耦接的 12个像素电极 203。 感应区 202包括通过像素开关 204 分别与每条扫描线 205和左起第四条数据线 206相耦接的 4个像素电极 203。 关于驱动区 201和感应区 202的描述， 可以参照上述图 2A对应的实施例， 这里不再赞述。
图 2D是本实施例提供的触摸面板的可选实施方式的结构示意图。
在图 2A对应的实施例基础上， 作为可选实施方式， 所述多组数据线还包括第三类型 组， 所述第三类型组位于第一类型组和第二类型组之间； 所述触摸检测电路 210将一固定 电位施加至第三类型组上。
如图 2D 所示， 所述第一类型组、 第二类型组和第三类型组数据线结合扫描线将像素 阵列分成四个驱动区 201、 四个感应区 202和四个固定电位区 218。 从左往右数， 图中有 第 1至第 1 0条数据线； 从上往下数， 图中共有第 1至第 4扫描线。
第一组第一类型组数据线 206包括第 1、 第 2条数据线 206。 第一组第三类型组数据 线 206包括第 3、第 4条数据线 206。第一组第二类型组数据线 206包括第 5条数据线 206。 第二组第一类型组数据线 206包括第 6、 第 7条数据线 206。 第二组第三类型组数据线 206 包括第 8、 第 9条数据线 206。 第二组第二类型组数据线 206包括第 1 0条数据线 206。
第一组扫描线 205包括第 1、 第 2条扫描线 205。 第二组扫描线 205包括第 3、 第 4条 扫描线 205。
第一驱动区 201包括通过像素开关 204分别与第一组扫描线 205和第一组第一类型组 数据线 206相耦接的四个像素电极 203 , 第二驱动区 201包括通过像素开关 204分别与第 一组扫描线 205和第二组第一类型组数据线 206相耦接的四个像素电极 203 , 第三驱动区 201包括通过像素开关 204分别与第二组扫描线 205和第一组第一类型组数据线 206相耦 接的四个像素电极 203 , 第四驱动区 201 包括通过像素开关 204分别与第二组扫描线 205 和第二组第一类型组数据线 206相耦接的四个像素电极 203。
第一感应区 202包括通过像素开关 204分别与第一组扫描线 205和第一组第二类型组 数据线 206相耦接的两个像素电极 203 , 第二感应区 202包括通过像素开关 204分别与第 一组扫描线 205和第二组第二类型组数据线 206相耦接的两个像素电极 203 , 第三感应区 202包括通过像素开关 204分别与第二组扫描线 205和第一组第二类型组数据线 206相耦 接的两个像素电极 203 , 第四感应区 202 包括通过像素开关 204分别与第二组扫描线 205 和第二组第二类型组数据线 206相耦接的两个像素电极 203。
第一固定电位区 218包括通过像素开关 204分别与第一组扫描线 205和第一组第三类 型组数据线 206相耦接的两个像素电极 203 , 第二固定电位区 218 包括通过像素开关 204 分别与第一组扫描线 205和第二组第三类型组数据线 206相耦接的两个像素电极 203 , 第 三固定电位区 218包括通过像素开关 204分别与第二组扫描线 205和第一组第三类型组数 据线 206相耦接的两个像素电极 203 , 第四固定电位区 218包括通过像素开关 204分别与 第二组扫描线 205和第二组第三类型组数据线 206相耦接的两个像素电极 203。
驱动区 201内的像素电极 203在触摸模式下用作触摸驱动电极； 感应区 202内的像素 电极 203用于在触摸模式下用作触摸感应电极； 固定电位区 218内的像素电极 203在触摸 模式下被施加固定电位， 一般情况下， 该固定电位为接地电位。
图 2E是本实施例提供的触摸面板的可选实施方式的结构示意图。
在图 2A对应的实施例基础上， 如图 2E所示， 所述多组数据线还包括第三类型组， 所 述第二类型组位于第一类型组和第三类型组之间； 所述触摸检测电路 210将一固定电位施 加至第三类型组上。
如图 2E 所示， 所述第一类型组、 第二类型组和第三类型组数据线结合扫描线将像素 阵列分成四个驱动区 201、 四个感应区 202和四个固定电位区 218。 从左往右数， 图中有 第 1至第 10条数据线； 从上往下数， 图中共有第 1至第 4扫描线。
第一组第一类型组数据线 206包括第 1、 第 2条数据线 206。 第一组第三类型组数据 线 206包括第 4、第 5条数据线 206。第一组第二类型组数据线 206包括第 3条数据线 206。 第二组第一类型组数据线 206包括第 6、 第 7条数据线 206。 第二组第三类型组数据线 206 包括第 9、 第 10条数据线 206。 第二组第二类型组数据线 206包括第 8条数据线 206。
第一组扫描线 205包括第 1、 第 2条扫描线 205。 第二组扫描线 205包括第 3、 第 4条 扫描线 205。
第一驱动区 201包括通过像素开关 204分别与第一组扫描线 205和第一组第一类型组 数据线 206相耦接的四个像素电极 203 , 第二驱动区 201包括通过像素开关 204分别与第 一组扫描线 205和第二组第一类型组数据线 206相耦接的四个像素电极 203 , 第三驱动区 201包括通过像素开关 204分别与第二组扫描线 205和第一组第一类型组数据线 206相耦 接的四个像素电极 203 , 第四驱动区 201 包括通过像素开关 204分别与第二组扫描线 205 和第二组第一类型组数据线 206相耦接的四个像素电极 203。
第一感应区 202包括通过像素开关 204分别与第一组扫描线 205和第一组第二类型组 数据线 206相耦接的两个像素电极 203 , 第二感应区 202包括通过像素开关 204分别与第 一组扫描线 205和第二组第二类型组数据线 206相耦接的两个像素电极 203 , 第三感应区 202包括通过像素开关 204分别与第二组扫描线 205和第一组第二类型组数据线 206相耦 接的两个像素电极 203 , 第四感应区 202 包括通过像素开关 204分别与第二组扫描线 205 和第二组第二类型组数据线 206相耦接的两个像素电极 203。
第一固定电位区 218包括通过像素开关 204分别与第一组扫描线 205和第一组第三类 型组数据线 206相耦接的两个像素电极 203 , 第二固定电位区 218 包括通过像素开关 204 分别与第一组扫描线 205和第二组第三类型组数据线 206相耦接的两个像素电极 203 , 第 三固定电位区 218包括通过像素开关 204分别与第二组扫描线 205和第一组第三类型组数 据线 206相耦接的两个像素电极 203 , 第四固定电位区 218包括通过像素开关 204分别与 第二组扫描线 205和第二组第三类型组数据线 206相耦接的两个像素电极 203。
驱动区 201内的像素电极 203在触摸模式下用作触摸驱动电极； 感应区 202内的像素 电极 203用于在触摸模式下用作触摸感应电极； 固定电位区 218内的像素电极 203在触摸 模式下被施加固定电位， 一般情况下， 该固定电位为接地电位。
本申请实施例提供的触摸面板的另一可选实施方式， 与如图 2E 所示的实施例类似， 所述多组数据线还包括第三类型组， 所述第一类型组置于第二类型组和第三类型组之间； 所述触摸检测电路 210将一固定电位施加至第三类型组上。 具体方式可参照图 2E所示的 实施例， 在此不再赘述。
作为可选实施方式， 所述触摸面板还包括控制电路（附图中未显示）， 与所述第一扫 描驱动电路及触摸检测电路电连接， 以协调所述第一扫描驱动电路和触摸检测电路之间的 工作时序。 具体的工作方式可以参照实施例二。
实施例二
图 3所示为本实施例提供的触摸面板的触摸检测方法的步骤流程图。
本实施例提供了一种触摸面板的触摸检测方法， 其中触摸面板的像素阵列在实施例一 中已经揭示， 包括：
步骤 S301 , 釆用第一扫描驱动电路向第一组扫描线提供第一扫描驱动信号， 执行步骤
S302。 步骤 S301 中所述第一组扫描线 205接收第一扫描驱动信号期间， 该组扫描线 205 中所有扫描线 205均同时接收第一扫描驱动信号。 步骤 S 302 , 在第一扫描驱动电路提供第一扫描驱动信号期间， 釆用触摸检测电路向多 组数据线中的第一类型组提供触摸驱动信号， 并釆用触摸检测电路从多组数据线中的第二 类型组上检测触摸感应信号， 执行步骤 S 303。
步骤 S 302进一步包括： 釆用触摸检测电路 210向多组数据线 206中的第一类型组提 供触摸驱动信号； 通过数据线 206的第一类型组将触摸驱动信号施加至驱动区 201内的像 素电极 203 , 驱动区 201内的像素电极 203用作触摸驱动电极。
作为可选实施方式， 步骤 S 302中， 在第一扫描驱动电路提供第一扫描驱动信号期间， 釆用触摸检测电路向多组数据线中的第一类型组提供触摸驱动信号， 同时釆用触摸检测电 路从多组数据线中的第二类型组上检测触摸感应信号。
作为可选实施方式， 步骤 S 302中， 在第一扫描驱动电路提供第一扫描驱动信号期间， 先釆用触摸检测电路向多组数据线中的第一类型组提供触摸驱动信号， 然后釆用触摸检测 电路从多组数据线中的第二类型组上检测触摸感应信号。
步骤 S 302进一步包括：感应区 202的像素电极 203将触摸感应信号传输至数据线 206 的第二类型组上， 此时感应区 202的像素电极 203用作触摸感应电极； 釆用触摸检测电路 210检测多组数据线 206中的第二类型组上的触摸感应信号。
步骤 S 303 , 釆用第一扫描驱动电路向第二组扫描线提供第一扫描驱动信号， 执行步骤 S 302 , 其中第二组扫描线与第一组扫描线相邻且未被提供第一扫描驱动信号。
本实施例提供的另一种触摸面板的触摸检测方法包括如下操作：
釆用第一扫描驱动电路向一组扫描线提供第一扫描驱动信号。 该步骤中， 第一扫描驱 动电路同时向该组扫描线 205中的所有扫描线 205提供第一扫描驱动信号。
在第一扫描驱动电路提供第一扫描驱动信号期间， 釆用触摸检测电路向多组数据线中 的第一类型组提供触摸驱动信号， 并釆用触摸检测电路从多组数据线中的第二类型组上检 测触摸感应信号。
然后， 釆用第一扫描驱动电路向下一组扫描线提供第一扫描驱动信号， 并在第一扫描 驱动电路提供第一扫描驱动信号期间， 釆用触摸检测电路向多组数据线中的第一类型组提 供触摸驱动信号， 并釆用触摸检测电路从多组数据线中的第二类型组上检测触摸感应信 号。 其中两组扫描线相邻， 且所述的下一组扫描线未被提供第一扫描驱动信号。
实施例三
图 4A所示为本实施例提供的触摸显示面板的结构示意图。
本实施例提供了一种触摸显示面板， 如图 4A所示， 包括：
像素阵列， 所述像素阵列包括多组扫描线 205、 与所述多组扫描线 205垂直交叉的多 组数据线 206、 与所述多组扫描线 205和多组数据线 206分别耦接的多个像素单元， 其中 所述多组数据线 206包括相互间隔分布的第一类型组和第二类型组。 具体而言， 所述多个 像素单元中的每一像素单元设置于两条相邻的扫描线 205和两条相邻的数据线 206所围成 的区域内， 其中每一像素单元至少包括一像素电极 203和一像素开关 204 , 所述像素电极 203通过像素开关 204与对应的扫描线 205和数据线 206分别耦接。 本实施例中， 每个像 素单元包括一个像素电极 203和一个像素开关 204 , 且每个像素电极 203分别对应于一条 数据线 206、一条扫描线 205 ,相邻的两个像素电极 203分别独立地对应于一条数据线 206、 一条扫描线 205。 一般情况下， 上述像素开关 204可选用 TFT。 所述像素电极 203通过像 素开关 204与对应的扫描线 205和数据线 206分别耦接的具体含义就是该像素电极 203通 过 TFT与相应的扫描线 205和数据线 206分别耦接， TFT的栅极与扫描线 205电学连接， TFT的源极与数据线 206电学连接， TFT的漏极与像素电极 203电学连接。
其中， 相邻的两个像素电极 203分别独立地对应于一条数据线 206、 一条扫描线 205 , 是指： 同一排像素电极 203对应同一条栅线， 但分别对应不同的数据线； 同一列像素电极 203对应同一条数据线， 但分别对应不同的栅线。
所述多组扫描线 205中的每组扫描线 205包括一条扫描线 205或多条扫描线 205 ; 所 述多组数据线 206中的每组扫描线 205包括一条数据线 206或多条数据线 206。
各组扫描线 205中扫描线 205的数量相同或不相同。 优选地， 各组扫描线 205中扫描 线 205的数量相同。
作为可选的实施方式， 每组内扫描线 205的数量为 2条至 1000条。 例如， 如图 4A, 像素阵列中的扫描线 205共有两组， 每组有扫描线两条， 第一组扫描线包括上方两条扫描 线 205 , 第二组扫描线包括下方两条扫描线 205。
同一类型组中每组数据线 206中数据线 206的数量相同或不相同。 优选地， 同一类型 组中每组数据线 206中数据线 206的数量相同。
作为可选的实施方式， 每组内数据线 206的数量为 1条至 1000条。 例如， 图 4A中像 素阵列中的数据线 206包括四组， 其中两组为第一类型组， 两组为与第一类型组互相间隔 分布的第二类型组。从左往右数，第一组第一类型组数据线 206包括第 1、 2条数据线 206 , 第二组第一类型组数据线 206包括第 4、 5条数据线 206; 从左往右数， 第一组第二类型组 数据线 206包括第 3条数据线 206 , 第二组第二类型组数据线 206包括第 6条数据线 206。
所述触摸显示面板还包括： 第一扫描驱动电路 209 , 与所述多组扫描线 205电学连接， 依次逐组地向所述各组扫描线 205提供一第一扫描驱动信号；
触摸检测电路 210 , 与所述多组数据线 206电学连接， 在每组扫描线 205接收第一扫 描驱动信号期间， 所述触摸检测电路 210向所述多组数据线 206中的第一类型组提供一触 摸驱动信号， 并从所述多组数据线 206中的第二类型组检测触摸感应信号；
第二扫描驱动电路 211 , 与所述多组扫描线 205电学连接， 在每组扫描线 205接收完 第一扫描驱动信号后向该组扫描线 205 提供一第二扫描驱动信号；具体的， 所述第二扫描 驱动电路 211 , 在每组扫描线 205接收完第一扫描驱动信号后依次逐条向该组扫描线 205 中各条扫描线提供第二扫描驱动信号；
数据驱动电路 212 , 与所述多条数据线 206电学连接， 在每行扫描线 205接收第二扫 描驱动信号期间， 所述数据驱动电路 212向所述多条数据线 206提供图像数据信号。
具体的， 第一扫描驱动电路 209同时向一组扫描线中的所有扫描线提供第一扫描驱动 信号。
可选的， 所述第一扫描驱动电路 209、 第二扫描驱动电路 211集成于同一电路中。 本申请中出现的 "依次逐组" 表示按照分组的逻辑顺序一组一组地进行操作。 例如， 如图 4A,第一扫描驱动电路 209依次逐组地向所述各组扫描线 205提供一第一扫描驱动信 号， 换而言之， 第一扫描电路先向第一组扫描线 205提供第一扫描驱动信号， 然后第一扫 描电路向第二组扫描线 205提供第一扫描驱动信号。
所述第一类型组和第二类型组数据线结合扫描线将像素阵列分成四个驱动区 201 和 四个感应区 202。 其中， 第一驱动区 201 包括通过像素开关 204分别与第一组扫描线 205 和第一组第一类型组数据线 206相耦接的四个像素电极 203 , 第二驱动区 201 包括通过像 素开关 204分别与第一组扫描线 205和第二组第一类型组数据线 206相耦接的四个像素电 极 203 , 第三驱动区 201包括通过像素开关 204分别与第二组扫描线 205和第一组第一类 型组数据线 206相耦接的四个像素电极 203 , 第四驱动区 201包括通过像素开关 204分别 与第二组扫描线 205和第二组第一类型组数据线 206相耦接的四个像素电极 203; 第一感 应区 202包括通过像素开关 204分别与第一组扫描线 205和第一组第二类型组数据线 206 相耦接的两个像素电极 203 , 第二感应区 202包括通过像素开关 204分别与第一组扫描线
205和第二组第二类型组数据线 206相耦接的两个像素电极 203 , 第三感应区 202 包括通 过像素开关 204分别与第二组扫描线 205和第一组第二类型组数据线 206相耦接的两个像 素电极 203 , 第四感应区 202包括通过像素开关 204分别与第二组扫描线 205和第二组第 二类型组数据线 206相耦接的两个像素电极 203。 驱动区 201 内的像素电极 203在触摸模 式下用作触摸驱动电极， 而感应区 202内的像素电极 203用于在触摸模式下用作触摸感应 电极。 驱动区 201内的像素电极 203和感应区 202内的像素电极 203之间形成互电容。
作为可选实施方式， 且第一类型组为奇数组， 而第二类型组为偶数组， 或者第一类型 组为偶数组， 而第二类型组为奇数组。
图 4B是本实施例提供的触摸显示面板的可选实施方式的结构示意图。
图 4B所示的触摸显示面板包括像素阵列， 所述像素阵列包括多组扫描线 205、 与所述 多组扫描线 205垂直交叉的多组数据线 206、 与所述多组扫描线 205和多组数据线 206分 别耦接的多个像素单元， 每个像素单元包括一个像素电极 203和一个像素开关 204。 所述 触摸显示面板还包括第一扫描驱动电路 209 , 触摸检测电路 210 , 第二扫描驱动电路 211 , 和数据驱动电路 212。 对于第一扫描驱动电路 209 , 触摸检测电路 210 , 第二扫描驱动电路 211 , 和数据驱动电路 112的描述可以参照上述图 4A对应的实施例， 这里不再赘述。
作为一个可选实施方式， 如图 4B 所示。 像素阵列排布的方式为双栅方式， 即同一行 像素电极 203共用两条扫描线 205 , 每相邻的两列像素共用一条数据线 206。 图 4B中， 从 左往右数， 同一行中的位于奇数列的像素电极 203通过像素开关 204耦接于其中一根扫描 线 205 , 而位于偶数列的像素电极 203通过像素开关 204耦接于另一根扫描线 205 ; 从左 往右数， 第一列和第二列像素电极 203通过像素开关 204均耦接于第一根数据线 206 , 第 三列和第四列像素电极 203通过像素开关 204均耦接于第二根数据线 206 , 以此类推。 图 4B中所示， 还包括第一扫描驱动电路 209 , 与所述多组扫描线 205电学连接； 触摸检测电 路 210 , 与所述多组数据线 206电学连接； 第二扫描驱动电路 211 , 与所述多组扫描线 205 电学连接； 数据驱动电路 212 , 与所述多条数据线 206电学连接。
图 4B所示的触摸面板中， 驱动区 201 包括通过像素开关 204分别与每条扫描线 205 和左起的三条数据线 206相耦接的 12个像素电极 203。 感应区 202包括通过像素开关 204 分别与每条扫描线 205和左起第四条数据线 206相耦接的 4个像素电极 203。 关于驱动区 201和感应区 202的描述， 可以参照上述图 4A对应的实施例， 这里不再赞述。
图 4D是本实施例提供的触摸显示面板的可选实施方式的结构示意图。
在图 4A对应的实施例基础上， 作为可选实施方式， 所述多组数据线还包括第三类型 组， 所述第三类型组位于第一类型组和第二类型组之间； 所述触摸检测电路 210将一固定 电位施加至第三类型组上。
如图 4D 所示， 所述第一类型组、 第二类型组和第三类型组数据线结合扫描线将像素 阵列分成四个驱动区 201、 四个感应区 202和四个固定电位区 218。 从左往右数， 图中有 第 1至第 1 0条数据线； 从上往下数， 图中共有第 1至第 4扫描线。
第一组第一类型组数据线 206包括第 1、 第 2条数据线 206。 第一组第三类型组数据 线 206为第 3、 第 4条数据线 206。 第一组第二类型组数据线 206为第 5条数据线 206。 第 二组第一类型组数据线 206为第 6、 第 7条数据线 206。 第二组第三类型组数据线 206为 第 8、 第 9条数据线 206。 第二组第二类型组数据线 206为第 1 0条数据线 206。
第一组扫描线 205为第 1、 第 2条扫描线 205。 第二组扫描线 205为第 3、 第 4条扫描 线 205。
第一驱动区 201包括通过像素开关 204分别与第一组扫描线 205和第一组第一类型组 数据线 206相耦接的四个像素电极 203 , 第二驱动区 201包括通过像素开关 204分别与第 一组扫描线 205和第二组第一类型组数据线 206相耦接的四个像素电极 203 , 第三驱动区
201包括通过像素开关 204分别与第二组扫描线 205和第一组第一类型组数据线 206相耦 接的四个像素电极 203 , 第四驱动区 201 包括通过像素开关 204分别与第二组扫描线 205 和第二组第一类型组数据线 206相耦接的四个像素电极 203。
第一感应区 202包括通过像素开关 204分别与第一组扫描线 205和第一组第二类型组 数据线 206相耦接的两个像素电极 203 , 第二感应区 202包括通过像素开关 204分别与第 一组扫描线 205和第二组第二类型组数据线 206相耦接的两个像素电极 203 , 第三感应区 202包括通过像素开关 204分别与第二组扫描线 205和第一组第二类型组数据线 206相耦 接的两个像素电极 203 , 第四感应区 202 包括通过像素开关 204分别与第二组扫描线 205 和第二组第二类型组数据线 206相耦接的两个像素电极 203。
第一固定电位区 218包括通过像素开关 204分别与第一组扫描线 205和第一组第三类 型组数据线 206相耦接的两个像素电极 203 , 第二固定电位区 218 包括通过像素开关 204 分别与第一组扫描线 205和第二组第三类型组数据线 206相耦接的两个像素电极 203 , 第 三固定电位区 218包括通过像素开关 204分别与第二组扫描线 205和第一组第三类型组数 据线 206相耦接的两个像素电极 203 , 第四固定电位区 218包括通过像素开关 204分别与 第二组扫描线 205和第二组第三类型组数据线 206相耦接的两个像素电极 203。
驱动区 201内的像素电极 203在触摸模式下用作触摸驱动电极， 感应区 202内的像素 电极 203用于在触摸模式下用作触摸感应电极； 固定电位区 218内的像素电极 203在触摸 模式下被施加固定电位， 一般情况下， 该固定电位为接地电位。
图 4E是本实施例提供的触摸显示面板的可选实施方式的结构示意图。
在图 4A对应的实施例基础上， 如图 4E所示， 所述多组数据线还包括第三类型组， 所 述第二类型组为于第一类型组和第三类型组之间； 所述触摸检测电路将一固定电位施加至 第三类型组上。
如图 4E 所示， 所述第一类型组、 第二类型组和第三类型组数据线结合扫描线将像素 阵列分成四个驱动区 201、 四个感应区 202和四个固定电位区 218。 从左往右数， 图中有 第 1至第 10条数据线； 从上往下数， 图中共有第 1至第 4扫描线。
第一组第一类型组数据线 206为第 1、 第 2条数据线 206。 第一组第三类型组数据线 206为第 4、 第 5条数据线 206。 第一组第二类型组数据线 206为第 3条数据线 206。 第二 组第一类型组数据线 206为第 6、第 7条数据线 206。第二组第三类型组数据线 206为第 9、 第 10条数据线 206。 第二组第二类型组数据线 206为第 8条数据线 206。
第一组扫描线 205为第 1、 第 2条扫描线 205。 第二组扫描线 205为第 3、 第 4条扫描 线 205。
第一驱动区 201包括通过像素开关 204分别与第一组扫描线 205和第一组第一类型组 数据线 206相耦接的四个像素电极 203 , 第二驱动区 201包括通过像素开关 204分别与第 一组扫描线 205和第二组第一类型组数据线 206相耦接的四个像素电极 203 , 第三驱动区
201包括通过像素开关 204分别与第二组扫描线 205和第一组第一类型组数据线 206相耦 接的四个像素电极 203 , 第四驱动区 201 包括通过像素开关 204分别与第二组扫描线 205 和第二组第一类型组数据线 206相耦接的四个像素电极 203。
第一感应区 202包括通过像素开关 204分别与第一组扫描线 205和第一组第二类型组 数据线 206相耦接的两个像素电极 203 , 第二感应区 202包括通过像素开关 204分别与第 一组扫描线 205和第二组第二类型组数据线 206相耦接的两个像素电极 203 , 第三感应区 202包括通过像素开关 204分别与第二组扫描线 205和第一组第二类型组数据线 206相耦 接的两个像素电极 203 , 第四感应区 202 包括通过像素开关 204分别与第二组扫描线 205 和第二组第二类型组数据线 206相耦接的两个像素电极 203。
第一固定电位区 218包括通过像素开关 204分别与第一组扫描线 205和第一组第三类 型组数据线 206相耦接的两个像素电极 203 , 第二固定电位区 218 包括通过像素开关 204 分别与第一组扫描线 205和第二组第三类型组数据线 206相耦接的两个像素电极 203 , 第 三固定电位区 218包括通过像素开关 204分别与第二组扫描线 205和第一组第三类型组数 据线 206相耦接的两个像素电极 203 , 第四固定电位区 218包括通过像素开关 204分别与 第二组扫描线 205和第二组第三类型组数据线 206相耦接的两个像素电极 203。
驱动区 201内的像素电极 203在触摸模式下用作触摸驱动电极， 感应区 202内的像素 电极 203用于在触摸模式下用作触摸感应电极； 固定电位区 218内的像素电极 203在触摸 模式下被施加固定电位， 一般情况下， 该固定电位为接地电位。
本申请实施例提供的触摸显示面板的另一可选实施方式， 与如图 4E 所示的实施例类 似， 所述多组数据线还包括第三类型组， 所述第一类型组置于第二类型组和第三类型组之 间； 所述触摸检测电路将一固定电位施加至第三类型组上。 具体方式可参照图 2E 所示的 实施例， 在此不再赘述。
作为可选的实施方式， 所述触摸显示面板还包括控制电路（附图中未显示）， 与所述 第一扫描驱动电路 209、 第二扫描驱动电路 211、 触摸检测电路 210、 数据驱动电路 212电 连接， 以协调所述第一扫描驱动电路 209、 第二扫描驱动电路 211、 触摸检测电路 210和 数据驱动电路 212之间的工作时序。
图 4C所示为本实施例提供的触摸显示面板的可选实施方式的结构示意图。
作为可选的实施方式， 所述触摸显示面板包括： 第一基板 213、 与所述第一基板 213 相对的第二基板 217、 像素阵列 214、 公共电极层 216和液晶层 215 , 所述像素阵列 214设 置于所述第一基板 213面向所述第二基板 217的表面上。 第二基板 217上依次设置公共电 极层 216、液晶层 215、像素阵列 214和第一基板 213。第一基板 213可选用彩膜（ CF, color f i l ter )基板， CF为彩色或黑白。
作为可选实施方式， 本实施例还提供如图 2B所示的像素阵列一片段， 其中数据线 206 的第一类型组、 第二类型组的每组数据线 206均为 3条， 而每组扫描线 205也为 3条。 图 2B 中显示的是像素阵列一片段， 包括两组扫描线 205 (附图中未显示）， 一组第一类型组 的数据线 206 (左起第一至三条数据线 206 )以及一组第二类型组的数据线 206 (左起第四 至六条数据线 206 ), 其中每个像素单元包括一个 TFT开关（附图中未显示）和一个像素电 极 203。 当第一驱动信号被相应地施加至第一组扫描线 205 , 且第二组扫描线 205 悬空， 则第一组扫描线 205所对应的像素电极 203均处于连通状态， 而第二组扫描线 205所对应 的像素电极 203未连通。 然后， 触摸检测电路将触摸驱动信号施加至数据线 206的第一类 型组上， 从而将触摸驱动信号施加至驱动区 201。 接着， 触摸检测电路通过数据线 206的 第二类型组从感应区 202检测得到触摸感应信号。 驱动区 201内的像素电极 203和感应区 202 内的像素电极 203之间形成互电容， 由此在第一触摸区 207中的手指或尖笔的触摸能 被触摸检测电路检测到。 对于在第二触摸区 208中的手指或尖笔的触摸， 也被触摸检测电 路 210检测到， 同时介于第一类型组的数据线 206和第二类型组的数据线 206之间互电容 的改变将被检测到。 这是由于数据线 206之间 （即第二组扫描线 205所围成的区域） 的互 电容比介于大面积像素电极 203之间 （即第一组扫描线 205所围成的区域） 的互电容明显 小。 因此第二触摸区 208的信号能和第一触摸区 207中的信号区分开。
实施例四
图 5A所示为本实施例提供的触摸显示面板的触摸检测及显示方法的步骤流程图。 本实施例提供了一种触摸面板的触摸检测及显示方法， 包括：
步骤 S501 , 釆用第一扫描驱动电路向第一组扫描线提供第一扫描驱动信号， 执行步骤 S502。 步骤 S501 中所述一组扫描线 205接收第一扫描驱动信号期间， 该组扫描线 205中 所有扫描线 205均同时接收第一扫描驱动信号。
步骤 S 502 , 在第一扫描驱动电路提供第一扫描驱动信号期间， 釆用触摸检测电路将触 摸驱动信号施加至多组数据线中的第一类型组上， 并釆用触摸检测电路从多组数据线中的 第二类型组上检测触摸感应信号， 执行步骤 S503。
步骤 S502进一步包括： 釆用触摸检测电路 210向多组数据线 206中的第一类型组提 供触摸驱动信号； 通过数据线 206的第一类型组将触摸驱动信号施加至驱动区 201内的像 素电极 203 , 驱动区 201内的像素电极 203用作触摸驱动电极。
作为可选实施方式， 步骤 S502 中， 在第一扫描驱动电路 209提供第一扫描驱动信号 期间， 釆用触摸检测电路向多组数据线中的第一类型组提供触摸驱动信号， 同时釆用触摸 检测电路从多组数据线中的第二类型组上检测触摸感应信号。
作为可选实施方式， 步骤 S502 中， 在第一扫描驱动电路 209提供第一扫描驱动信号 期间， 先釆用触摸检测电路向多组数据线中的第一类型组提供触摸驱动信号， 然后釆用触 摸检测电路从多组数据线中的第二类型组上检测触摸感应信号。
步骤 S502进一步包括：感应区 202的像素电极 203将触摸感应信号传输至数据线 206 的第二类型组上， 此时感应区 202的像素电极 203用作触摸感应电极； 釆用触摸检测电路 210检测多组数据线 206中的第二类型组上的触摸感应信号。
步骤 S 503 , 在第一扫描驱动电路提供第一扫描驱动信号后， 釆用第二扫描驱动电路向 该组扫描线提供第二扫描驱动信号， 执行步骤 S504。 步骤 S503中所述该组扫描线 205接 收第二扫描驱动信号期间， 该组扫描线 205中所有扫描线 205为依次逐条接收第二扫描驱 动信号。
步骤 S 504 , 在第二扫描驱动电路提供第二扫描驱动信号期间， 釆用数据驱动电路向所 述多组数据线提供图像数据信号， 执行步骤 S505。
作为可选的实施方式， 步骤 S504 中， 数据驱动电路 212可以同时或分时地向所述多 组数据线提供图形数据线信号。
步骤 S505 , 釆用第一扫描驱动电路向第二组扫描线提供第一扫描驱动信号， 执行步骤 S502 , 其中第二组扫描线与第一组扫描线相邻且未被提供第一扫描驱动信号。
本申请实施例提供的另一种触摸显示面板的触摸检测方法包括如下操作：
釆用第一扫描驱动电路向一组扫描线提供第一扫描驱动信号。 该步骤中， 第一扫描驱 动电路同时向该组扫描线 205中的所有扫描线 205提供第一扫描驱动信号。
在第一扫描驱动电路提供第一扫描驱动信号期间， 釆用触摸检测电路将触摸驱动信号 施加至多组数据线中的第一类型组上， 并釆用触摸检测电路从多组数据线中的第二类型组 上检测触摸感应信号。
在第一扫描驱动电路提供第一扫描驱动信号后， 釆用第二扫描驱动电路向该组扫描线 提供第二扫描驱动信号。
在第二扫描驱动电路提供第二扫描驱动信号期间， 釆用数据驱动电路向所述多组数据 线提供图像数据信号。
然后， 釆用第一扫描驱动电路向下一组扫描线提供第一扫描驱动信号， 并在第一扫描 驱动电路提供第一扫描驱动信号期间， 釆用触摸检测电路将触摸驱动信号施加至多组数据 线中的第一类型组上， 并釆用触摸检测电路从多组数据线中的第二类型组上检测触摸感应 信号。 其中两组扫描线相邻、 且所述下一组扫描线未被提供第一扫描驱动信号。
图 5B 所示为本实施例提供的触摸显示面板的触摸检测及显示方法的时序图。 当扫描 线 205接收到第一扫描驱动信号时候， 像素阵列处于触摸模式， 对应的像素电极 203信号 相对较为活跃， 像素电极 203信号呈现正弦振荡； 当扫描线 205接收到第二扫描驱动信号 时候， 像素阵列处于显示模式， 对应的像素电极 203信号相对稳定， 像素电极 203信号呈 现高电位信号。
显然， 本领域的技术人员可以对本申请实施例进行各种改动和变型而不脱离本申请实 施例的精神和范围。 这样， 倘若本申请实施例的这些修改和变型属于本申请权利要求及其 等同技术的范围之内， 则本申请也意图包含这些改动和变型在内。

Claims

权 利 要 求
1、 一种触摸面板， 其特征在于， 包括：
像素阵列，所述像素阵列包括多组扫描线、与所述多组扫描线垂直交叉的多组数据线、 与所述多组扫描线和多组数据线分别耦接的多个像素单元， 其中所述多组数据线包括相互 间隔分布的第一类型组和第二类型组；
第一扫描驱动电路， 与所述多组扫描线电学连接， 依次逐组地向所述各组扫描线提供 一第一扫描驱动信号；
触摸检测电路， 与所述多组数据线电学连接， 在每组扫描线接收第一扫描驱动信号期 间， 所述触摸检测电路向所述多组数据线中的第一类型组提供一触摸驱动信号， 并从所述 多组数据线中的第二类型组检测触摸感应信号。
2、 根据权利要求 1 所述的触摸面板， 其特征在于， 所述多组数据线还包括第三类型 组， 所述第三类型组位于第一类型组和第二类型组之间； 或者所述第二类型组位于第一类 型组和第三类型组之间； 或者所述第一类型组位于第二类型组和第三类型组之间。
3、 根据权利要求 2 所述的触摸面板， 其特征在于， 所述触摸检测电路将一固定电位 施加于所述多组数据线中的所述第三类型组。
4、 根据权利要求 1 所述的触摸面板， 其特征在于， 所述多组扫描线中的每组扫描线 包括一条扫描线或多条扫描线； 所述多组数据线中的每组数据线包括一条数据线或多条数 据线； 每组扫描线中扫描线的数量相同。
5、 根据权利要求 1 所述的触摸面板， 其特征在于， 所述多组扫描线中的每组扫描线 包括一条扫描线或多条扫描线； 所述多组数据线中的每组数据线包括一条数据线或多条数 据线； 同一类型组中每组数据线中数据线的数量相同。
6、 根据权利要求 1 所述的触摸面板， 其特征在于， 所述触摸显示面板还包括控制电 路， 与所述第一扫描驱动电路及触摸检测电路电连接， 以协调所述第一扫描驱动电路和触 摸检测电路之间的工作时序。
7、 一种权利要求 1至 5 中任意一项权利要求所述触摸面板的触摸检测方法， 其特征 在于， 包括：
步骤 1、 釆用第一扫描驱动电路向一组扫描线提供第一扫描驱动信号， 执行步骤 2； 步骤 2、 在第一扫描驱动电路提供第一扫描驱动信号期间， 釆用触摸检测电路向多组 数据线中的第一类型组提供触摸驱动信号， 并釆用触摸检测电路从多组数据线中的第二类 型组上检测触摸感应信号， 执行步骤 3 ;
步骤 3、 釆用第一扫描驱动电路向下一组扫描线提供第一扫描驱动信号， 执行步骤 2 , 其中两组扫描线相邻、 且所述下一组扫描线未被提供第一扫描驱动信号。
8、 根据权利要求 7所述的方法， 其特征在于：
所述步骤 1具体包括：釆用第一扫描驱动电路向第一组扫描线提供第一扫描驱动信号， 执行步骤 2 ;
所述步骤 3具体包括：釆用第一扫描驱动电路向第二组扫描线提供第一扫描驱动信号， 执行步骤 2 , 其中第二组扫描线与第一组扫描线相邻且未被提供第一扫描驱动信号。
9、 根据权利要求 8所述的触摸检测方法， 其特征在于， 步骤 1 中所述第一组扫描线 接收第一扫描驱动信号期间， 该组扫描线中所有扫描线均同时接收第一扫描驱动信号。
10、 一种触摸显示面板， 其特征在于， 包括：
像素阵列，所述像素阵列包括多组扫描线、与所述多组扫描线垂直交叉的多组数据线、 与所述多组扫描线和多组数据线分别耦接的多个像素单元， 其中所述多组数据线包括相互 间隔分布的第一类型组和第二类型组；
第一扫描驱动电路， 与所述多组扫描线电学连接， 依次逐组地向所述各组扫描线提供 一第一扫描驱动信号；
触摸检测电路， 与所述多组数据线电学连接， 在每组扫描线接收第一扫描驱动信号期 间， 所述触摸检测电路向所述多组数据线中的第一类型组提供一触摸驱动信号， 并从所述 多组数据线中的第二类型组检测触摸感应信号；
第二扫描驱动电路， 与所述多组扫描线电学连接， 在每组扫描线接收完第一扫描驱动 信号后向该组扫描线提供一第二扫描驱动信号；
数据驱动电路， 与所述多条数据线电学连接， 在每行扫描线接收第二扫描驱动信号期 间， 所述数据驱动电路向所述多条数据线提供图像数据信号。
11、 根据权利要求 10 所述的触摸显示面板， 其特征在于， 所述多组数据线还包括第 三类型组， 所述第三类型组位于第一类型组和第二类型组之间； 或者所述第二类型组位于 第一类型组和第三类型组之间； 或者所述第一类型组位于第二类型组和第三类型组之间。
12、 根据权利要求 11 所述的触摸显示面板， 其特征在于， 所述触摸检测电路将一固 定电位施加于所述多组数据线中的所述第三类型组。
13、 根据权利要求 10 所述的触摸显示面板， 其特征在于， 所述多组扫描线， 每组扫 描线中的每组扫描线包括一条扫描线或多条扫描线； 所述多组数据线， 每组数据线中的每 组数据线包括一条数据线或多条数据线； 每组扫描线中扫描线的数量相同。
14、 根据权利要求 10 所述的触摸显示面板， 其特征在于， 所述多组扫描线， 每组扫 描线中的每组扫描线包括一条扫描线或多条扫描线； 所述多组数据线， 每组数据线中的每 组数据线包括一条数据线或多条数据线； 同一类型组中每组数据线中数据线的数量相同。
15、 根据权利要求 10 所述的触摸显示面板， 其特征在于， 所述第一扫描驱动电路同 时向一组扫描线中的所有扫描线提供第一扫描驱动信号， 所述第二扫描驱动电路， 在每组 扫描线同时接收完第一扫描驱动信号后依次逐行向该组扫描线中各条扫描线提供第二扫 描驱动信号。
16、 根据权利要求 10 所述的触摸显示面板， 其特征在于， 所述触摸显示面板还包括 控制电路， 与所述第一扫描驱动电路、 第二扫描驱动电路、 触摸检测电路、 数据驱动电路 电连接， 以协调所述第一扫描驱动电路、 第二扫描驱动电路、 触摸检测电路和数据驱动电 路之间的工作时序。
17、 一种权利要求 10至 16中任意一项权利要求所述触摸显示面板的触摸检测及显示 方法， 其特征在于， 包括：
步骤 1、 釆用第一扫描驱动电路向一组扫描线提供第一扫描驱动信号， 执行步骤 2； 步骤 2、 在第一扫描驱动电路提供第一扫描驱动信号期间， 釆用触摸检测电路将触摸 驱动信号施加至多组数据线中的第一类型组上， 并釆用触摸检测电路从多组数据线中的第 二类型组上检测触摸感应信号， 执行步骤 3 ;
步骤 3、 在第一扫描驱动电路提供第一扫描驱动信号后， 釆用第二扫描驱动电路向该 组扫描线提供第二扫描驱动信号， 执行步骤 4；
步骤 4、 在第二扫描驱动电路提供第二扫描驱动信号期间， 釆用数据驱动电路向所述 多组数据线提供图像数据信号， 执行步骤 5；
步骤 5、 釆用第一扫描驱动电路向下一组扫描线提供第一扫描驱动信号， 执行步骤 2 , 其中两组扫描线相邻、 且所述下一组扫描线未被提供第一扫描驱动信号。
18、 根据权利要求 17所述的方法， 其特征在于：
所述步骤 1具体包括：釆用第一扫描驱动电路向第一组扫描线提供第一扫描驱动信号， 执行步骤 2 ;
所述步骤 5具体包括：釆用第一扫描驱动电路向第二组扫描线提供第一扫描驱动信号， 执行步骤 2 , 其中第二组扫描线与第一组扫描线相邻且未被提供第一扫描驱动信号。
19、 根据权利要求 18所述的触摸检测方法， 其特征在于， 步骤 1 中所述第一扫描驱 动电路同时向第一组扫描线中的所有扫描线提供第一扫描驱动信号； 步骤 3中所述第二扫 描驱动电路， 在第一组扫描线同时接收完第一扫描驱动信号后依次逐行向该组扫描线中各 行描线提供第二扫描驱动信号。
PCT/CN2012/085934 2012-06-29 2012-12-05 触摸面板、触摸显示面板、触摸检测及显示方法 WO2014000382A1 (zh)

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