WO2019223734A1 - 触控显示模组、控制方法、面板、显示装置 - Google Patents
触控显示模组、控制方法、面板、显示装置 Download PDFInfo
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- WO2019223734A1 WO2019223734A1 PCT/CN2019/088016 CN2019088016W WO2019223734A1 WO 2019223734 A1 WO2019223734 A1 WO 2019223734A1 CN 2019088016 W CN2019088016 W CN 2019088016W WO 2019223734 A1 WO2019223734 A1 WO 2019223734A1
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- touch
- display
- circuit
- electrode
- signal
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04164—Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
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- 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
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- 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
Definitions
- the present disclosure relates to the field of display technology, and in particular, to a touch display module, a control method, a panel, and a display device.
- An in-cell touch display panel generally includes a touch circuit, a base substrate, a plurality of electrode lines and a plurality of electrode blocks disposed on the base substrate.
- the electrode block is connected to the touch circuit through an electrode line, and the electrode line is used to transmit a touch signal between the electrode block and the touch circuit.
- a process in which a touch display panel displays a frame of image may include a display stage and a touch stage.
- the touch circuit can provide a common voltage signal to each electrode block through the electrode line to drive the touch display panel to display an image.
- the touch circuit can provide a touch signal to the electrode block through the electrode line to detect the touch position in the touch display panel.
- Embodiments of the present disclosure provide a touch display module, a control method, a panel, and a display device.
- the technical solution is as follows:
- a touch display module includes: a touch circuit, an auxiliary circuit, a base substrate, a plurality of electrode blocks and a plurality of electrodes on the base substrate. line;
- the plurality of electrode blocks are in one-to-one correspondence with the plurality of electrode lines and are located between the touch circuit and the auxiliary circuit; one end of each of the electrode lines is electrically connected to the touch circuit, The other end is electrically connected to the auxiliary circuit, and a portion between both ends of each of the electrode lines is electrically connected to a corresponding electrode block;
- the touch circuit is configured to provide display signals to the plurality of electrode lines during a display phase, and provide touch signals to the plurality of electrode lines during a touch phase;
- the auxiliary circuit is configured to: provide the display signals to the plurality of electrode lines during the display phase, and stop providing the display signals to the plurality of electrode lines during the touch phase.
- the plurality of electrode blocks and the plurality of electrode lines are all located in a display area on the base substrate, and the auxiliary circuit is located in a non-display area on the base substrate.
- the display signal includes a common voltage signal.
- the plurality of electrode blocks and the plurality of electrode lines are all located in a display area on the base substrate;
- the touch display module further includes: a transmission line located in a non-display area on the substrate, and one end of the transmission line is electrically connected to the touch circuit and the other end is electrically connected to the auxiliary circuit;
- the touch circuit is further configured to: provide the display signal to the auxiliary circuit through the transmission line during the display stage;
- the auxiliary circuit is configured to provide the display signals provided by the touch circuit to the plurality of electrode lines during the display stage.
- the plurality of electrode blocks and the plurality of electrode lines are all located in a display area on the base substrate;
- the touch display module further includes a control line located in a non-display area of the substrate, and one end of the control line is electrically connected to the touch circuit, and the other end is electrically connected to the auxiliary circuit. ;
- the touch circuit is further configured to provide a first control signal to the auxiliary circuit through the control line during the display phase, and provide the auxiliary circuit to the auxiliary circuit through the control line during the touch phase.
- Second control signal Second control signal
- the auxiliary circuit is configured to: when the first control signal is received, provide the display signals provided by the touch circuit to the plurality of electrode lines; and when the second control signal is received, stop The display signals are provided to the plurality of electrode lines.
- the electrode line, the transmission line, and the control line are electrically connected to different ports of the touch circuit.
- the transmission line is located between the control line and the plurality of electrode blocks.
- the plurality of electrode blocks are located between the transmission line and the control line.
- the auxiliary circuit includes a plurality of sub-circuits electrically connected to the plurality of electrode lines in a one-to-one correspondence, and the sub-circuits are electrically connected to the control line and the transmission line;
- the sub-circuit is used for:
- the transmission line and the electrode line corresponding to the sub-circuit are turned off to stop providing the display signal provided by the touch circuit to the corresponding electrode line.
- the sub-circuit includes: a transistor
- a gate of the transistor is electrically connected to the control line, a first pole of the transistor is electrically connected to the transmission line, and a second pole of the transistor is electrically connected to the electrode line corresponding to the sub-circuit;
- the gate When the gate receives the first control signal, the first electrode and the second electrode are turned on; when the gate receives the second control signal, the first electrode and the second electrode are turned on.
- the second pole is turned off.
- the touch display module further includes: an insulating layer;
- the insulation layer is located between the plurality of electrode blocks and the plurality of electrode lines, and the electrode lines are electrically connected to the corresponding electrode blocks through one or more via holes on the insulation layer.
- the electrode line is electrically connected to the corresponding electrode block through two via holes on the insulation layer.
- the touch module includes: an array substrate including the base substrate, the plurality of electrode blocks, and the plurality of electrode lines.
- a touch display control method for the touch display module described in the first aspect, the method including:
- the touch circuit provides display signals to the plurality of electrode lines
- the auxiliary circuit provides display signals to the plurality of electrode lines
- the touch circuit In the touch phase, the touch circuit provides touch signals to the plurality of electrode lines, and the auxiliary circuit stops providing the display signals to the plurality of electrode lines.
- the display signal includes a common voltage signal.
- the touch display module includes: a transmission line;
- the method further includes: during the display phase, the touch circuit provides the display signal to the auxiliary circuit through the transmission line;
- the auxiliary circuit providing a display signal to the plurality of electrode lines includes: the auxiliary circuit providing the plurality of electrode lines with the display signal provided by the touch circuit.
- the touch display module further includes: a control line;
- the method further comprises: during the display phase, the touch circuit provides a first control signal to the auxiliary circuit through the control line; during the touch phase, the touch circuit passes the control line Providing the second control signal to the auxiliary circuit;
- the auxiliary circuit providing the display signals provided by the touch circuit to the plurality of electrode lines includes: when the auxiliary circuit receives the first control signal, providing the plurality of electrode lines with the display signals The display signal provided by the touch circuit;
- the stopping, by the auxiliary circuit, the display signal to the plurality of electrode lines includes: when the auxiliary circuit receives the second control signal, stopping the supply of the display signal to the plurality of electrode lines.
- the auxiliary circuit includes: a plurality of sub-circuits
- auxiliary circuit When the auxiliary circuit receives the first control signal, providing the display signals provided by the touch circuit to the plurality of electrode lines includes: each of the sub-circuits receiving the first control signal When controlling a signal, conducting the transmission line with the electrode line corresponding to the sub-circuit to provide the display signal provided by the touch circuit to the corresponding electrode line;
- stopping the supply of the display signal to the plurality of electrode lines includes: each of the sub-circuits, when receiving the second control signal, The transmission line and the electrode line corresponding to the sub-circuit are turned off to stop providing the display signal to the corresponding electrode line.
- a touch display panel includes the touch display module according to the first aspect.
- a display device includes the touch display panel according to the third aspect.
- FIG. 1 is a schematic structural diagram of a touch display module provided by the related art
- FIG. 2 is a schematic diagram of horizontal stripes formed in an image displayed by a display panel in the related art
- FIG. 3 is a schematic structural diagram of another touch display module according to an embodiment of the present disclosure.
- FIG. 4 is a schematic structural diagram of another touch display module according to an embodiment of the present disclosure.
- FIG. 5 is a schematic structural diagram of another touch display module provided by an embodiment of the present disclosure.
- FIG. 6 is a schematic structural diagram of another touch display module according to an embodiment of the present disclosure.
- FIG. 7 is a flowchart of a touch display control method according to an embodiment of the present disclosure.
- FIG. 8 is a timing diagram related to a touch display control method according to an embodiment of the present disclosure.
- FIG. 9 is a timing diagram related to another touch display control method provided by the related art.
- the transistors used in all embodiments of the present disclosure may be thin film transistors or field effect transistors or other devices with the same characteristics. Because the source and drain of the transistor used here are symmetrical, the source and drain of the transistor are interchangeable.
- the source electrode is referred to as a first electrode, and the drain electrode is referred to as a second electrode. According to the form in the figure, the middle end of the transistor is specified as the gate, the signal input end is the source, and the signal output end is the drain.
- the transistor used in the embodiment of the present disclosure may include any one of a P-type transistor and an N-type transistor, wherein the P-type transistor is turned on when the gate is at a low level, and is turned off when the gate is at a high level, and the N-type transistor is Turns on when the gate is high and turns off when the gate is low.
- multiple signals in various embodiments of the present disclosure correspond to a first potential and a second potential. The first potential and the second potential represent only two states of the potential of the signal, and do not represent the first potential or The second potential has a specific value.
- FIG. 1 is a schematic structural diagram of a touch display module provided by the related art.
- the touch display module includes a base substrate 00, a plurality of electrode blocks 110 located on the base substrate 00, a plurality of electrode lines Tx, and a touch circuit provided at one end of the base substrate 00. 120.
- a touch phase is usually inserted in segments during the display of one frame of image. For example, after each pair of pixels of the display line is scanned and scanned (this stage is referred to as a display stage), the plurality of lines of pixels are touch-scanned (this stage is referred to as a touch stage).
- the touch point reporting rate is the number of times the touch circuit reports the touch position in the touch display module in a unit time.
- the touch circuit is generally disposed at one end of the display substrate, and the lengths of the electrode lines between each electrode block and the touch circuit are not consistent.
- the delay and voltage drop of the common voltage signal received by the electrode block far from the end of the touch circuit is large, which causes the touch display panel to display an image as shown in Figure 2 Of multiple stripes 001.
- the common voltage signal received by the electrode block far from the end of the touch circuit and the common voltage received by the electrode block close to the end of the touch circuit is large.
- the display brightness of different positions of the touch display module is inconsistent, which affects the display effect of the touch display module.
- the touch display module may include: a substrate substrate 01, a plurality of electrode blocks 310, a plurality of electrode lines 320, a touch circuit 330, and an auxiliary circuit 340.
- the plurality of electrode blocks 310 and the plurality of electrode lines 320 are located on the base substrate 01, and the plurality of electrode blocks 210 and the plurality of electrode lines 320 may be located between the touch circuit 330 and the auxiliary circuit 340.
- the plurality of electrode blocks 310 correspond to the plurality of electrode lines 320 in one-to-one manner.
- One end of each electrode line 320 is electrically connected to the touch circuit 330 and the other end is electrically connected to the auxiliary circuit 340. Between the two ends of each electrode line 320 The part is electrically connected to the corresponding electrode block 310.
- the touch circuit 330 may be configured to: provide display signals to the plurality of electrode lines 320 during the display phase, and provide touch signals to the plurality of electrode lines 320 during the touch phase; and the auxiliary circuit 340 may be configured to: The plurality of electrode lines 320 provide a display signal, and stop providing the display signals to the plurality of electrode lines 320 during a touch phase. In this way, in the display stage, not only the touch circuit 330 provides a display signal to one end of the electrode line 320, but also the auxiliary circuit 340 provides a display signal to the other end of the electrode line 320.
- the touch display module provided by the embodiment of the present disclosure includes not only a touch circuit but also an auxiliary circuit, and multiple electrode blocks and multiple electrode lines are located between the touch circuit and the auxiliary circuit. Both ends of the electrode line are electrically connected to the touch circuit and the auxiliary circuit, respectively.
- both the touch circuit and the auxiliary circuit can provide display signals to multiple electrode lines during the display phase, both ends of the electrode line can simultaneously transmit the display signal, which reduces the reception of the electrode block far from the end of the touch circuit. Display of signal delay and voltage drop.
- the display signal may be a common voltage signal.
- the plurality of electrode blocks is equivalent to being used as a common electrode in a display stage and used as a touch electrode in a touch stage.
- the display signal may not be a common voltage signal.
- the display signal may also be a pixel voltage signal, which is not limited in the embodiment of the present disclosure.
- the touch display panel where the touch display module provided by the embodiment of the present disclosure is embedded is Touch display panel.
- the touch display panel generally includes two display substrates disposed opposite to each other, and the common electrode may belong to any one of the two display substrates. One of the two display substrates is referred to as an array substrate.
- the common electrode is located on the array substrate as an example.
- the touch display module includes the array substrate, and the array substrate may include the above-mentioned substrate substrate 01, a plurality of electrode blocks 310, and a plurality of electrode lines 320.
- the plurality of electrode blocks 310 in FIG. 3 includes a plurality of rows and columns of electrode blocks 310, for example, a total of 576 electrode blocks 310 in 32 rows and 18 columns.
- a touch display module includes one One corresponding 576 electrode lines 320.
- the material of the electrode wire 320 may be a metal (such as copper) or a non-metal (such as indium tin oxide).
- the above-mentioned electrode line 320 may be linear, and the electrode line 320 is parallel to the column direction of the electrode block 310.
- the orthographic projection of each electrode line 320 on the base substrate 01 may overlap with the orthographic projection of the corresponding electrode block 310 on the base substrate 01, and may also be on the substrate with a row of electrode blocks 310 on which the corresponding electrode block 310 is located. The orthographic projections on the substrate overlap.
- the touch circuit 330 may be located at the data binding end (Data) of the base substrate 01, and the auxiliary circuit 340 may be located at the data binding end (DPO) of the substrate substrate 01. . It should be noted that the touch circuit 330 and the auxiliary circuit 340 may be located on the substrate substrate 01 or outside the substrate substrate 01, which is not limited in the embodiment of the present disclosure. In the embodiment of the present disclosure, the touch circuit 330 and the The auxiliary circuits 340 are all located on the base substrate 01 as an example.
- the plurality of electrode blocks 310 and the plurality of electrode lines 320 may be located in the display area Q1 on the base substrate 01, and the touch circuit 330 and the auxiliary circuit 340 may be located in the non-display area Q2 on the base substrate 01. .
- FIG. 4 is a schematic structural diagram of another touch display module according to an embodiment of the present disclosure.
- the auxiliary circuit 340 may include one-to-one correspondence with a plurality of electrode lines 320.
- the touch display module includes a total of 576 electrode blocks 310 in 32 rows and 18 columns. Accordingly, the touch display module includes 576 electrode lines 320 corresponding to the 576 electrode blocks one to one, and 576 electrode lines correspond to 576 sub-circuits 3401 one-to-one.
- Each sub-circuit 3401 may be electrically connected to a corresponding electrode line 320.
- Each sub-circuit 3401 may be configured to: provide the above-mentioned display signal to the corresponding electrode line 320 during the display phase, and stop providing the above-mentioned electrode line 320 to the corresponding electrode line 320 during the touch phase. Display signals.
- the touch display module may further include: a transmission line 350 located in the non-display area Q2 on the substrate 01, and one end of the transmission line 350 is electrically connected to the touch circuit 330 (such as The second output terminal b is electrically connected), and the other end is electrically connected to the auxiliary circuit 340.
- a transmission line 350 located in the non-display area Q2 on the substrate 01, and one end of the transmission line 350 is electrically connected to the touch circuit 330 (such as The second output terminal b is electrically connected), and the other end is electrically connected to the auxiliary circuit 340.
- each sub-circuit 3401 may be used to: turn on the corresponding electrode line 320 and the transmission line 350 during the display phase to provide the corresponding electrode line 320 with the display signal provided by the touch circuit 330; Disconnect the corresponding electrode line 320 and the transmission line 350 to stop providing the display signal provided by the touch circuit 330 to the corresponding electrode line 320.
- the electrode line 320 is located in the display area Q1 of the base substrate 01
- the transmission line 350 is located in the non-display area Q2 of the base substrate 01.
- There are many conductive structures in the display area Q1 of the substrate 01 such as the above-mentioned electrode block and other electrodes other than the electrode block), and there is more interference when the signal is transmitted on the electrode line 320 in the display area Q1, so Signal transmission is slow.
- the substrate 01 has less conductive structures (such as the above-mentioned transmission lines) on the non-display area Q2, and has less interference when signals are transmitted on the transmission line 350 in the non-display area Q2, so the signal transmission speed is faster.
- the time required for the display signal output by the touch circuit 330 during the display stage to reach the auxiliary circuit 340 through the transmission line 350 is much less than the speed to reach the electrode block 310 through the electrode line 320. In this way, the purpose of providing the touch signal 330 and the auxiliary circuit 340 with display signals to the electrode lines 320 at the same time can be achieved.
- the touch display module may further include a control line 360 located in the non-display area Q2 of the substrate 01, and one end of the control line 360 is electrically connected to the touch circuit 330 (such as It is electrically connected to the control terminal TC in the touch circuit 330), and the other end is electrically connected to the auxiliary circuit 340.
- the touch circuit 330 can also be used to provide the first control signal to the auxiliary circuit 340 through the control line 360 during the display phase, and provide the second control signal to the auxiliary circuit 340 through the control line 360 during the touch phase.
- the auxiliary circuit 340 is configured to: when receiving the first control signal, provide the display signals provided by the touch circuit 330 to the plurality of electrode lines 320; when receiving the second control signal, stop providing the display signals to the plurality of electrode lines 320 . It can be seen that, under the control of the touch circuit 330, the auxiliary circuit 340 provides the display signal to the electrode line 320 during the display phase, and stops providing the display signal to the electrode line 320 during the touch phase.
- the auxiliary circuit 340 when the auxiliary circuit 340 includes a plurality of sub-circuits 3401, the other end of the control line 360 may be electrically connected to each of the sub-circuits 3401.
- the touch circuit 330 described above may also be used to provide a first control signal to each sub-circuit 3401 through the control line 360 during the display phase, and provide a second control signal to each sub-circuit 3401 through the control line 360 during the touch phase.
- each sub-circuit 3401 may be configured to: when receiving the first control signal, turn on the transmission line 350 and the electrode line 320 corresponding to the sub-circuit 3401, and provide the corresponding electrode line 320 with the display signal provided by the touch circuit 330
- the electrode line 320 corresponding to the transmission line 350 and the sub-circuit 3401 is turned off to stop providing the display signal to the corresponding electrode line 320.
- the potential of the first control signal may be a first potential
- the potential of the second control signal may be a second potential
- the first potential may be low potential or high potential relative to the second potential, which is not limited in the embodiment of the present disclosure.
- the touch circuit 330 may have multiple ports, and the electrode lines, the control lines, and the transmission lines are electrically connected to different ports of the multiple ports, respectively.
- the plurality of ports may include a plurality of first output terminals a that are electrically connected to the electrode lines 320 one by one (only one first output terminal a is shown in FIG. 4), and are electrically connected to the transmission line 350.
- the transmission line 350 and the control line 360 may be located on the same side or different sides of the plurality of electrode blocks 310.
- the transmission line 350 may be located between the control line 360 and the plurality of electrode blocks 310 (as shown in FIG. 4), or the control line 360 may be located on the transmission line 350 and multiple electrodes 310.
- the plurality of electrode blocks 310 are located between the transmission line 350 and the control line 360 (as shown in FIG. 5).
- the area on both sides of the electrode block 310 is similar, and the touch display panel where the touch display module is located is more beautiful.
- FIG. 6 is a schematic structural diagram of another touch display module according to an embodiment of the present disclosure.
- each sub-circuit 3401 may include a transistor M0.
- the gate G of the transistor M0 is electrically connected to the control line 360
- the first pole J1 of the transistor M0 is electrically connected to the transmission line 350
- the second pole J2 of the transistor M0 is connected to the other end of the electrode line 320 corresponding to the sub-circuit 3401.
- the gate G receives the first control signal
- the first pole J1 and the second pole J2 are turned on, so that the transmission line 350 and the electrode line 320 are turned on
- the second control is received at the gate G
- the first pole J1 and the second pole J2 are turned off, so that the transmission line 350 and the electrode line 320 are turned off.
- the transistor M0 may be an N-type transistor or a P-type transistor, which is not limited in the embodiment of the present disclosure. It is assumed that the potential of the first control signal is a first potential, and the potential of the second control signal is a second potential. When the transistor M0 is an N-type transistor, the first potential may be a high potential relative to the second potential; when the transistor M0 is a P-type transistor, the first potential may be a low potential relative to the second potential. The present disclosure The embodiment does not limit this.
- the touch display module may further include an insulating layer (not shown in FIG. 6), and the insulating layer may be located between the plurality of electrode blocks 310 and the plurality of electrode lines 320.
- a plurality of via holes 002 are provided on the insulating layer, and each electrode line 320 can be electrically connected to the corresponding electrode block 310 through one or more via holes 002 in the insulating layer.
- each electrode line 320 may be electrically connected to a corresponding electrode block 310 through two via holes 002 in an insulating layer as an example.
- the array substrate further includes a pixel electrode, and a thin film transistor for driving the pixel electrode.
- the pixel electrode may be located on a side of the electrode block away from the base substrate, or may be located on a side of the electrode block close to the base substrate.
- the transistors in the sub-circuit may be in the same layer structure as the thin film transistors used to drive the pixel electrodes in the array substrate, and the transmission lines and control lines may be in the same layer structure as the electrode lines. It should be noted that the two structures being the same layer structure means that the two structures can be formed at the same time, that is, while forming one structure, the other structure can be formed.
- the touch display module provided by the embodiment of the present disclosure may further include a gate driving circuit, one or more clock signal sources (such as two, four, six, or eight clock signal sources) and a source. Drive circuit.
- the gate driving circuit may include at least two cascaded shift register units, and the gate driving circuit is electrically connected to the one or more clock signal sources.
- the touch display module provided by the embodiment of the present disclosure includes not only a touch circuit but also an auxiliary circuit, and multiple electrode blocks and multiple electrode lines are located between the touch circuit and the auxiliary circuit. Both ends of the electrode line are electrically connected to the touch circuit and the auxiliary circuit, respectively.
- both the touch circuit and the auxiliary circuit can provide display signals to multiple electrode lines during the display phase, both ends of the electrode line can simultaneously transmit the display signal, which reduces the reception of the electrode block far from the end of the touch circuit. Display of signal delay and voltage drop.
- FIG. 7 is a flowchart of a touch display control method according to an embodiment of the present disclosure, which is used for the touch display module shown in FIG. 3 to FIG. 6. As shown in FIG. 7, the method includes:
- step 701 in the display stage, the touch circuit provides display signals to the plurality of electrode lines, and the auxiliary circuit provides display signals to the plurality of electrode lines.
- step 702 during the touch phase, the touch circuit provides touch signals to the plurality of electrode lines, and the auxiliary circuit stops providing display signals to the plurality of electrode lines.
- the touch display module to which the touch display control method provided in the embodiments of the present disclosure includes not only a touch circuit but also an auxiliary circuit, and multiple electrode blocks and multiple electrode lines are located in the touch circuit Between the auxiliary circuit and the auxiliary circuit, two ends of each electrode line are respectively electrically connected with the touch circuit and the auxiliary circuit.
- both the touch circuit and the auxiliary circuit can provide display signals to multiple electrode lines during the display phase, both ends of the electrode line can simultaneously transmit the display signal, which reduces the reception of the electrode block far from the end of the touch circuit. Display of signal delay and voltage drop.
- the touch circuit provides a display signal to the electrode line to drive the touch display panel where the touch display module is located to display an image.
- the process of displaying a frame image by the touch display panel includes a plurality of display stages, and a touch stage can be inserted between every two adjacent display stages.
- the display phase may be a period during which the driving module scans several rows of pixels.
- the touch circuit can provide touch scanning signals to each connection line in the touch phase after the end of each display phase. That is, the touch circuit can perform a touch scan task for a period of time after the driving module finishes scanning several rows of pixels.
- the touch display module includes: a transmission line 350 located in the non-display area Q2 on the substrate 01, one end of the transmission line 350 is electrically connected to the touch circuit 330, and the other end is connected to the auxiliary circuit 330.
- the circuit 340 is electrically connected.
- the touch display control method provided by the embodiment of the present disclosure may further include: in a display stage, the touch circuit provides a display signal to the auxiliary circuit through a transmission line.
- the auxiliary circuit can provide the display signals provided by the touch circuit to the plurality of electrode lines.
- the other end of the transmission line may be electrically connected to each of the sub-circuits.
- the touch circuit provides the above display signal to each sub-circuit through the transmission line during the display phase. At this time, each sub-circuit turns on the corresponding electrode line and transmission line during the display phase to provide the display provided by the touch circuit to the corresponding electrode line. Signal; each sub-circuit turns off the corresponding electrode line and transmission line during the touch phase to stop providing the display signal provided by the touch circuit to the corresponding electrode line.
- the touch display module may further include a control line 360 located in the non-display area Q2 of the substrate 01, and one end of the control line 360 is electrically connected to the touch circuit 330, and One end is electrically connected to the auxiliary circuit 340.
- the touch display control method provided by the embodiment of the present disclosure may further include: providing a first control signal to the auxiliary circuit through the control line during the display phase, and providing a second control signal to the auxiliary circuit through the control line during the touch phase. control signal.
- the process in which the auxiliary circuit provides display signals to the plurality of electrode lines during the display stage in step 701 may include: when the auxiliary circuit receives the first control signal, the auxiliary circuit provides the display signals provided by the touch circuit to the plurality of electrode lines.
- the process of stopping the auxiliary circuit from providing display signals to the plurality of electrode lines during the touch phase in step 702 may include: when the auxiliary circuit receives the second control signal, stopping the supply of display signals to the plurality of electrode lines.
- the auxiliary circuit 340 includes a plurality of sub-circuits 3401
- the other end of the control line 360 may be electrically connected to each of the sub-circuits 3401.
- the touch control circuit can provide a first control signal to each sub-circuit through the control line 360 during the display phase, and provide a second control signal to each sub-circuit through the control line during the touch phase.
- each sub-circuit When each sub-circuit receives the first control signal, it can conduct the transmission line with the corresponding electrode line of the sub-circuit to provide the corresponding electrode line with the display signal provided by the touch circuit; each sub-circuit receives the second control signal At this time, the transmission line and the electrode line corresponding to the sub-circuit can be turned off to stop providing a display signal to the corresponding electrode line.
- each sub-circuit 3401 includes: a transistor M0.
- the transistor M0 is turned on under the control of the first control signal (the first and second electrodes of the transistor are turned on), and the display signal is provided to the corresponding electrode line.
- the transistor is turned off under the control of the second control signal (the first and second electrodes of the transistor are turned off), and the display signal is stopped from being provided to the corresponding electrode line.
- the touch display module provided by the embodiment of the present disclosure may further include a gate driving circuit, one or more clock signal sources (such as two, four, six, or eight clock signal sources) and a source. Drive circuit.
- the gate driving circuit may include at least two cascaded shift register units, and the gate driving circuit is electrically connected to the one or more clock signal sources. It should be noted that, during the display stage, the potential of the clock signal output from the clock signal end and the potential of the data signal output from the source driving circuit are significantly different from the potential of the touch signal provided by the touch circuit. Therefore, in the touch phase, if the clock signal source outputs a clock signal and the data signal output by the source driving circuit, a coupling effect is generated on the touch signal on the electrode line. Therefore, in the embodiment of the present disclosure, the clock signal source and the source driving circuit can both provide a touch signal during the touch phase, thereby reducing the influence on the touch signal provided by the touch circuit.
- the clock signal source CLK1, the clock signal source CLK2, the clock signal source CLK3, and the clock signal source CLK4 respectively output a clock signal
- the source driving circuit S outputs a data signal.
- the potential of the first control signal output from the control terminal TC (the end electrically connected to the control line) of the touch circuit is the first potential
- the first output terminal of the touch circuit provides display signals to each electrode line.
- the control circuit also provides a display signal to the transistors in the respective sub-circuits through the second output terminal.
- the transistor in each sub-circuit is turned on under the driving of the first control signal, and provides a display signal to the corresponding electrode line.
- the first potential may be about 20V (volt).
- both ends of each electrode line can simultaneously transmit display signals to the electrode block, it is reduced that the electrode block far from the touch circuit end receives the display signal and the electrode block close to the touch circuit end receives the display. Signal difference. In this way, the difference in display brightness at different positions in the touch display panel where the touch display module is located is reduced, the display uniformity of the touch display panel is improved, and the display effect is improved.
- the first output terminal a of the touch circuit provides a touch signal Tch to each electrode line.
- the clock signal source CLK1, the clock signal source CLK2, the clock signal source CLK3, the clock signal source CLK4, and the source driving circuit S all output the touch signal Tch.
- the control terminal TC of the touch circuit outputs a second control signal, and the potential of the second control signal can be a second potential.
- the transistors in each sub-circuit can be turned off and stopped by the driving of the second control signal.
- a display signal is provided to a corresponding electrode line.
- the second potential may have a potential range of 2V to 5V.
- FIG. 9 shows a timing diagram related to another touch display control method provided by the related art. It can be seen from FIG. 9 that during the transition from the touch phase T2 to the display phase T3, the touch on the electrode line 320 is touched. The signal is converted into a display signal with a delay of t1.
- the touch circuit and the auxiliary circuit provide display signals to the electrode lines at the same time. Since both ends of each electrode line can receive the display signals at the same time, the touch signals on the electrode lines to the display signals are quickly achieved. Conversion. It can be seen from FIG.
- the driving method of the display substrate provided by the embodiment of the present disclosure reduces the horizontal streaks caused by the display signal delay, and improves the display effect of the touch display panel where the touch display module is located.
- the touch display module to which the touch display control method provided in the embodiments of the present disclosure includes not only a touch circuit but also an auxiliary circuit, and multiple electrode blocks and multiple electrode lines are located in the touch circuit Between the auxiliary circuit and the auxiliary circuit, two ends of each electrode line are respectively electrically connected with the touch circuit and the auxiliary circuit.
- both the touch circuit and the auxiliary circuit can provide display signals to multiple electrode lines during the display phase, both ends of the electrode line can simultaneously transmit the display signal, which reduces the reception of the electrode block far from the end of the touch circuit. Display of signal delay and voltage drop.
- An embodiment of the present disclosure further provides a touch display panel.
- the touch display panel may include the touch display module provided by the embodiments of the present disclosure (such as the touch display module shown in any one of FIGS. 3 to 6).
- the touch display panel may be a liquid crystal touch display panel, an organic light emitting diode touch display panel, or a light emitting diode touch display panel, which is not limited in the embodiments of the present disclosure.
- An embodiment of the present disclosure further provides a display device including the touch display panel provided by the embodiment of the present disclosure.
- the display device may be any product or component having a display function, such as electronic paper, mobile phone, tablet computer, television, display, notebook computer, digital photo frame, navigator, and the like.
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Abstract
Description
Claims (20)
- 一种触控显示模组,其特征在于,所述触控显示模组包括:触控电路(330)、辅助电路(340)、衬底基板(01)以及位于所述衬底基板(01)上的多个电极块(310)和多条电极线(320);所述多个电极块(310)与所述多条电极线(320)一一对应,且均位于所述触控电路(330)和所述辅助电路(340)之间;每条所述电极线(320)的一端与所述触控电路(330)电连接,另一端与所述辅助电路(340)电连接,且每条所述电极线(320)的两端之间的部分与对应的电极块(310)电连接;所述触控电路(330)用于:在显示阶段向所述多条电极线(320)提供显示信号,以及在触控阶段向所述多条电极线(320)提供触控信号;所述辅助电路(340)用于:在所述显示阶段向所述多条电极线(320)提供所述显示信号,以及在所述触控阶段停止向所述多条电极线(320)提供所述显示信号。
- 根据权利要求1所述的触控显示模组,其特征在于,所述辅助电路(340)位于所述衬底基板(01)上的非显示区域(Q2)内。
- 根据权利要求1或2所述的触控显示模组,其特征在于,所述显示信号包括:公共电压信号。
- 根据权利要求1至3任一所述的触控显示模组,其特征在于,所述多个电极块(310)和所述多条电极线(320)均位于所述衬底基板(01)上的显示区域(Q1)内;所述触控显示模组还包括:位于所述衬底基板(01)上的非显示区域(Q2)内的传输线(350),且所述传输线(350)的一端与所述触控电路(330)电连接,另一端与所述辅助电路(340)电连接;所述触控电路(330)还用于:在所述显示阶段通过所述传输线(350)向所述辅助电路(340)提供所述显示信号;所述辅助电路(340)用于:在所述显示阶段向所述多条电极线(320)提供所述触控电路(330)提供的所述显示信号。
- 根据权利要求4所述的触控显示模组,其特征在于,所述多个电极块(310)和所述多条电极线(320)均位于所述衬底基板(01)上的显示区域(Q1)内;所述触控显示模组还包括:位于所述衬底基板(01)的非显示区域(Q2)内的控制线(360),且所述控制线(360)的一端与所述触控电路(330)电连接,另一端与所述辅助电路(340)电连接;所述触控电路(330)还用于:在所述显示阶段通过所述控制线(360)向所述辅助电路(340)提供第一控制信号,以及在所述触控阶段通过所述控制线(360)向所述辅助电路(340)提供所述第二控制信号;所述辅助电路(340)用于:在接收到所述第一控制信号时,向所述多条电极线(320)提供所述触控电路(330)提供的所述显示信号;在接收到所述第二控制信号时,停止向所述多条电极线(320)提供所述显示信号。
- 根据权利要求5所述的触控显示模组,其特征在于,所述电极线(320)、所述传输线(350)和所述控制线(360)与所述触控电路(330)的不同端口电连接。
- 根据权利要求5或6所述的触控显示模组,其特征在于,所述传输线(350)位于所述控制线(360)和所述多个电极块(310)之间。
- 根据权利要求5或6所述的触控显示模组,其特征在于,所述多个电极块(310)位于所述传输线(350)和所述控制线(360)之间。
- 根据权利要求5至8任一所述的触控显示模组,其特征在于,所述辅助电路(340)包括:与所述多条电极线(320)一一对应电连接的多个子电路(3401),且所述子电路(3401)与所述控制线(360)和所述传输线(350)均电连接;所述子电路(3401)用于:在接收到所述第一控制信号时,将所述传输线(350)与所述子电路(3401)对应的电极线(320)导通,以向对应的所述电极线(320)提供所述触控电路(330)提供的所述显示信号;在接收到所述第二控制信号时,将所述传输线(350)与所述子电路(3401)对应的电极线(320)关断,以停止向对应的所述电极线(320)提供所述触控电路(330)提供的所述显示信号。
- 根据权利要求8或9所述的触控显示模组,其特征在于,所述子电路(3401)包括:晶体管(M0);所述晶体管(M0)的栅极(G)与所述控制线(360)电连接,所述晶体管(M0)的第一极(J1)与所述传输线(350)电连接,所述晶体管(M0)的第二极(J2)与所述子电路(3401)对应的所述电极线(320)电连接;在所述栅极(G)接收到所述第一控制信号时,所述第一极(J1)和所述第二极(J2)导通;在所述栅极(G)接收到所述第二控制信号时,所述第一极(J1)和所述第二极(J2)关断。
- 根据权利要求1至10任一所述的触控显示模组,其特征在于,所述触控显示模组还包括:绝缘层;所述绝缘层位于所述多个电极块(310)与所述多条电极线(320)之间,所述电极线(320)通过所述绝缘层上的一个或多个过孔(002)与对应的所述电极块(310)电连接。
- 根据权利要求11所述的触控显示模组,其特征在于,所述电极线(320)通过所述绝缘层上的两个过孔(002)与对应的所述电极块(310)电连接。
- 根据权利要求1至12任一所述的触控显示模组,其特征在于,所述触控模组包括:阵列基板,所述阵列基板包括所述衬底基板(01)、所述多个电极块(310)和所述多条电极线(320)。
- 一种触控显示控制方法,其特征在于,用于如权利要求1至13任一所述的触控显示模组,所述方法包括:在显示阶段中,触控电路向多条电极线提供显示信号,且辅助电路向所述多条电极线提供显示信号;在触控阶段中,所述触控电路向所述多条电极线提供触控信号,且所述辅助电路停止向所述多条电极线提供所述显示信号。
- 根据权利要求14所述的方法,其特征在于,所述显示信号包括:公共电压信号。
- 根据权利要求14或15所述的方法,其特征在于,所述触控显示模组包括:传输线;所述方法还包括:在所述显示阶段,所述触控电路通过所述传输线向所述辅助电路提供所述显示信号;所述辅助电路向所述多条电极线提供显示信号,包括:所述辅助电路向所述多条电极线提供所述触控电路提供的所述显示信号。
- 根据权利要求16所述的方法,其特征在于,所述触控显示模组还包括:控制线;所述方法还包括:在所述显示阶段,所述触控电路通过所述控制线向所述辅助电路提供第一控制信号;在所述触控阶段,所述触控电路通过所述控制线向所述辅助电路提供所述第二控制信号;所述辅助电路向所述多条电极线提供所述触控电路提供的所述显示信号,包括:所述辅助电路在接收到所述第一控制信号时,向所述多条电极线提供所述触控电路提供的所述显示信号;所述辅助电路停止向所述多条电极线提供所述显示信号,包括:所述辅助电路在接收到所述第二控制信号时,停止向所述多条电极线提供所述显示信号。
- 根据权利要求17所述的方法,其特征在于,所述辅助电路包括:多个子电路;所述辅助电路在接收到所述第一控制信号时,向所述多条电极线提供所述触控电路提供的所述显示信号,包括:每个所述子电路在接收到所述第一控制信号时,将所述传输线与所述子电路对应的所述电极线导通,以向对应的所述电极线提供所述触控电路提供的所述显示信号;所述辅助电路在接收到所述第二控制信号时,停止向所述多条电极线提供所述显示信号,包括:每个所述子电路在接收到所述第二控制信号时,将所述传输线与所述子电路对应的所述电极线关断,以停止向对应的所述电极线提供所述显示信号。
- 一种触控显示面板,其特征在于,所述触控显示面板包括:权利要求1至13任一所述的触控显示模组。
- 一种显示装置,其特征在于,所述显示装置包括权利要求19所述的触控显示面板。
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CN106020556A (zh) * | 2016-06-17 | 2016-10-12 | 京东方科技集团股份有限公司 | 一种基板、显示面板、显示装置及其驱动方法 |
CN106933414A (zh) * | 2017-02-28 | 2017-07-07 | 厦门天马微电子有限公司 | 一种触控面板、触摸屏及其驱动方法 |
CN108628499A (zh) * | 2018-05-25 | 2018-10-09 | 京东方科技集团股份有限公司 | 阵列基板及其驱动方法、显示装置 |
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US10983620B2 (en) | 2021-04-20 |
CN108628499A (zh) | 2018-10-09 |
US20200233514A1 (en) | 2020-07-23 |
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