CN105023544B - Touch control display module and its driving method and source electrode driver - Google Patents
Touch control display module and its driving method and source electrode driver Download PDFInfo
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- CN105023544B CN105023544B CN201410154154.6A CN201410154154A CN105023544B CN 105023544 B CN105023544 B CN 105023544B CN 201410154154 A CN201410154154 A CN 201410154154A CN 105023544 B CN105023544 B CN 105023544B
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Abstract
A kind of touch control display module and its driving method and source electrode driver.Touch control display module includes a touch-control display panel and at least one source driver.Source electrode driver is coupled to a plurality of data lines of touch-control display panel.Source electrode driver provides multiple pixel drive signals to data wire in display pattern to drive touch-control display panel display correspondence image respectively.Data wire point group is multiple groups in control mode touch mode by source electrode driver, and exports multiple touch-control drive signals to those groups respectively in the control mode touch mode.Wherein in control mode touch mode, the data wire for belonging to same group is provided identical touch-control drive signal.
Description
Technical field
The invention relates to a kind of electronic installation, and in particular to a kind of touch control display module and its driving method
With source electrode driver.
Background technology
Gate drivers (gate driver) drive LCD respectively with source electrode driver (source driver)
The scan line (gate line) of plate and data wire (source electrode line).Gate drivers are sequentially provided voltage to open the pixel of scan line
(pixel), and source electrode driver provides the pixel drive signal related to image data to data wire.Therefore, source electrode driver
Liquid crystal display panel display correspondence image can be driven.
Embedded (In-cell) touch-control display panel is to insert touch control sensor in display panel.Compared to by touch surface
Plate and display panel to paste the conventional touch display panel that mode be combined with each other, embedded touch control display panel have low thickness,
The advantages of high transmission rate.For detecting that the touch drive circuit of embedded touch control display panel touch event includes transmitter
(transmitter, Tx) and receiver (receiver, Rx).Transmitter transmits touch-control drive signal to embedded touch control display surface
The drives line of plate, and receiver senses the sense wire of embedded touch control display panel.Known touch drive circuit is driven independently of source electrode
Dynamic device.
The content of the invention
The present invention provides a kind of touch control display module and its driving method and source electrode driver, and it can utilize source drive
Transmitter of the device as touch control detection.
Embodiments of the invention disclose a kind of touch control display module, including a touch-control display panel and an at least source electrode drive
Dynamic device.Touch-control display panel has a plurality of data lines.Source electrode driver is coupled to the data wire of touch-control display panel.Source drive
Device provides multiple pixel drive signals to data wire in display pattern to drive touch-control display panel display correspondence image respectively.
Data wire point group is multiple groups in control mode touch mode by source electrode driver, and in the control mode touch mode by multiple touch-control drive signals
Export respectively to those groups.Wherein in control mode touch mode, the data wire for belonging to same group is provided the driving of identical touch-control
Signal.
Embodiments of the invention disclose a kind of source electrode driver, including a reference voltage bus, multiple driving passages and
One voltage generation circuit.Each driving passage each includes latch unit and the first multiplexer.Latch unit is in display pattern breech lock
And output pixel data.Latch unit is in control mode touch mode breech lock and exports point group's data.The control end of first multiplexer is coupled to door bolt
The output end of device is locked to receive pixel data or point group's data.Multiple inputs of first multiplexer are coupled in one-to-one mode
The different conductor of reference voltage bus.The output end of first multiplexer exports one of these pixel drive signals or these are touched
Control one of drive signal.Multiple output ends of voltage generation circuit are coupled to this of reference voltage bus in one-to-one mode
A little wires.Wherein, voltage generation circuit in display pattern via reference voltage bus provide multiple gamma electric voltages to these first
The input of multiplexer, and in control mode touch mode via reference voltage bus provide multiple contact panel signals to these more than first
The input of work device.
Embodiments of the invention disclose a kind of driving method of touch control display module.The driving method includes：In display
Pattern provides multiple pixel drive signals to a plurality of data lines of touch-control display panel respectively, to drive the touch-control display panel
Display correspondence image；Group is divided to be multiple groups data wire in control mode touch mode；And believe the driving of multiple touch-controls in control mode touch mode
Number export respectively to those groups.Wherein in the control mode touch mode, those data wires for belonging to same group are provided identical
Touch-control drive signal.
In one embodiment of this invention, above-mentioned touch-control drive signal includes sinusoidal signal or cosine signal.
In one embodiment of this invention, above-mentioned voltage generation circuit is gamma voltage generation circuit.
In one embodiment of this invention, above-mentioned voltage generation circuit includes gamma voltage generation circuit and touch surface
Partitioned signal generation circuit.Multiple output ends of gamma voltage generation circuit are coupled to being somebody's turn to do for reference voltage bus in one-to-one mode
A little wires.Gamma voltage generation circuit provides multiple gamma electric voltages to the first multiplexer in display pattern via reference voltage bus
Input.Gamma voltage generation circuit is disabled in the control mode touch mode.Multiple output ends of contact panel signal generating circuit
Those wires of reference voltage bus are coupled in one-to-one mode.Contact panel signal generating circuit is in control mode touch mode via ginseng
Examine voltage bus and provide multiple contact panel signals to the input of the first multiplexer.Contact panel signal generating circuit is aobvious in this
Show that pattern is disabled.
In one embodiment of this invention, above-mentioned contact panel signal generating circuit includes contact panel signal generator
And multiple second multiplexers.Contact panel signal generator produces those contact panel signals.Times of those the second multiplexers
Multiple inputs of one are coupled to contact panel signal generator to receive those contact panel signals.Those second multiplexers
The output end of any one be coupled to reference voltage bus those wires one of which.
Based on above-mentioned, touch control display module disclosed in the embodiment of the present invention and its driving method can utilize source electrode driver
As the transmitter of touch control detection.Touch control display module disclosed in some embodiments of the invention and its driving method can be in touch-controls
Multiple data wires point group is multiple groups by pattern, and provide identical touch-control drive signal to belong to same group those
Data wire.Therefore, source electrode driver disclosed in the embodiment of the present invention can be in response to display resolution and the difference of touch-control resolution ratio.
Furthermore, the data wire (and/or driving passage) through grouping can transmit bigger energy, be detected with profit touching.
For the features described above and advantage of the present invention can be become apparent, special embodiment below, and coordinate institute's accompanying drawings
It is described in detail below.
Brief description of the drawings
Fig. 1 is the circuit box schematic diagram for illustrating a kind of touch control display module according to the embodiment of the present invention.
Fig. 2 is the circuit box schematic diagram for illustrating source electrode driver shown in Fig. 1 according to the embodiment of the present invention.
Fig. 3 is the circuit box schematic diagram for illustrating source electrode driver shown in Fig. 1 according to another embodiment of the present invention.
[label declaration]
100：Touch control display module 110：Controller
120：Gate drivers 130：Source electrode driver
140：Touch-control display panel 150：Touch-control receiver
131：Reference voltage bus
132_1、132_2、132_3、132_4、132_5、132_6、132_n：Drive passage
133、310：Voltage generation circuit 134：Shift register
211：First latch unit 212：Second latch unit
213：First multiplexer 214：Buffer
220、320：Gamma voltage generation circuit 230：Contact panel signal generating circuit
231：Contact panel signal generator 232：Second multiplexer
D_1、D_2、D_3、D_4、D_5、D_6、D_n：Data wire
S_1、S_2、S_3、S_m：Scan line
Embodiment
" coupling " one word used in the specification full text (including claim) of the present invention can refer to any straight
Connect or indirect connection means.For example, if first device is coupled to second device described in text, this should be construed as
First device can be directly connected to the second device, or the first device can pass through other devices or certain connection means
And it is coupled indirectly to the second device.In addition, all possible parts, use the member of identical label in schema and embodiment
Part/component/step represents same or like part.Not in be the same as Example using identical label or using identical term element/
Component/step can be with cross-referenced related description.
Fig. 1 is to illustrate a kind of circuit box schematic diagram of touch control display module 100 according to the embodiment of the present invention.Touch-control is shown
Module 100 includes a controller 110, at least an at least gate drivers (gate driver) 120, one source driver
(source driver) 130, one touch-control display panel 140 and at least a touch-control receiver 150.Touch-control display panel 140 has
Have a plurality of data lines (such as data wire D_1, D_2, D_3, D_4, D_5, D_6 ..., D_n) with multi-strip scanning line (such as scan line
S_1、S_2、S_3、…、S_m).Gate drivers 120 are coupled to scan line S_1~S_m of touch-control display panel 140, and source electrode drives
Dynamic device 130 is coupled to data wire D_1~D_n of touch-control display panel 140.The following institute of driving method of touch control display module 100
State.
According to the control of controller 110, gate drivers 120 drive respectively with source electrode driver 130 in display pattern
Scan line (gate line) S_1~S_m and data wire (source electrode line) D_1~D_n of touch-control display panel 140.Gate drivers 120
Voltage is sequentially provided to open scan line S_1~S_m pixel (pixel), and source electrode driver 130 will be related to image data
Multiple pixel drive signals provide respectively to data wire D_1~D_n.Therefore, source electrode driver 130 can be in display pattern
Drive the display correspondence image of touch-control display panel 140.In display pattern, touch-control receiver 150 can be disabled
(disable)。
In control mode touch mode, gate drivers 120 can be disabled, and touch-control receiver 150 can be enabled
(enable).Data wire D_1~D_n points of groups are multiple groups in control mode touch mode by source electrode driver 130.Source electrode driver 130
Multiple touch-control drive signals are exported to these groups respectively in control mode touch mode, wherein belonging to same group in control mode touch mode
Data wire is provided identical touch-control drive signal.In other words, source electrode driver 130 can be taken as tactile in control mode touch mode
The transmitter (transmitter, Tx) of control detection is used, and data wire D_1~D_n can be taken as touch surface in control mode touch mode
The drives line of plate is used.Above-mentioned touch-control drive signal includes sinusoidal signal, cosine signal, clock pulses or other touch-controls that are used for and examined
The drive signal of survey.According to data wire D_1~D_n touch-control drive signal, touch-control receiver (receiver, Rx) 150 can be with
Sensing/reading scan line S_1~S_m the information in control mode touch mode, and send described information to controller 110.By dividing
The described information that analysis/calculating touch-control receiver 150 is provided, controller 110 may determine that whether touch-control display panel 140 occurs
Touch event, and obtain the touch position on touch-control display panel 140.
For example, in certain embodiments, data wire D_1~D_3 can be clustered transmits jointly for the first group
The first touch-control drive signal that source electrode driver 130 is provided, and data wire D_4~D_6 can be clustered as the second group
The second touch-control drive signal that common transmission source electrode driver 130 is provided, the rest may be inferred for remaining.In further embodiments,
Data wire D_1~D_6 can be clustered and transmit the first touch-control driving that source electrode driver 130 is provided jointly by the first group
Signal, and data wire D_7~D_12 (not illustrating) can be clustered and be transmitted source electrode driver 130 jointly by the second group and carried
The the second touch-control drive signal supplied.During these groups are powered, touch-control receiver 150 can be felt in control mode touch mode
Survey/read the information of these groups, and send described information to controller 110.
Data wire D_1~D_n points of group's modes should not be so limited to aforesaid way.In further embodiments, in different groups
Data wire quantity can be with different.For example, the data wire quantity in the group at the edge of touch-control display panel 140 can
With more than the data wire quantity in the group of the middle section of touch-control display panel 140.In other embodiments, touch-control display surface
Plate 140 may be defined stylus touch area (touch event to detect stylus) and (be used to finger touch region
Detect the touch event of finger).Due to touching the difference of area, stylus touch area needs higher touch-control resolution ratio, and
Want relatively low touch-control resolution ratio in finger touch region.Therefore, in the finger touch region of touch-control display panel 140 group number
The data wire quantity of the group in the stylus touch area of touch-control display panel 140 can be more than according to line number amount.
In summary, source electrode driver 130 can be taken as the transmitter of touch control detection to use in control mode touch mode, data
Line D_1~D_n can be taken as the driving electrodes of touch control sensor to use in control mode touch mode, and scan line S_1~S_m is in touch-control
Pattern can be taken as the sensing electrode of touch control sensor to use.It can be clustered as many groups based on data wire D_1~D_n,
The touch-control resolution ratio of touch-control display panel 140 can be determined depending on design requirement in control mode touch mode.In other words, display is differentiated
Rate can be differently configured from touch-control resolution ratio.Furthermore, the energy transmitted compared to single data line, the data wire through grouping
(a plurality of data lines for belonging to same group) can transmit bigger energy jointly, be detected with profit touching.
Fig. 2 is the circuit box schematic diagram for illustrating source electrode driver 130 shown in Fig. 1 according to the embodiment of the present invention.Shown in Fig. 2
Source electrode driver 130 include reference voltage bus 131, multiple driving passages (for example drive passage 132_1,132_2,132_3,
132_4,132_5,132_6 ..., 132_n), voltage generation circuit 133 and shift register (shift register) 134.
Driving passage 132_1~132_n each each includes latch unit and the first multiplexer.Below will be to drive passage 132_
1 as illustrative example, and remaining driving passage 132_2~132_n can be so that the rest may be inferred.
Passage 132_1 is driven to include the first latch unit 211, the second latch unit 212, the first multiplexer 213 and buffer
214.In certain embodiments, buffer 214 is likely to be implemented as module gain buffer (unity-gain buffer).The
The input of one latch unit 211 receives the pixel data that controller 110 is provided.The triggering end of first latch unit 211, which is received, moves
The latching clock that bit register 134 is provided.The input of second latch unit 212 couples the output end of the first latch unit 211.The
The triggering end of two latch units 212 receives the line latch-up signal that controller 110 is provided.Second latch unit 212 is in display pattern meeting
Decide whether breech lock according to the line latch-up signal that controller 110 is provided and export the pixel count that the first latch unit 211 is provided
According to.Second latch unit 212 is in control mode touch mode breech lock and exports point group's data.
The control end of first multiplexer 213 couples the output end of the second latch unit 212, to receive pixel data or point group's number
According to.Multiple inputs of first multiplexer 213 are coupled to the different conductor of reference voltage bus 131 in one-to-one mode.First
The pixel data that multiplexer 213 can be provided according to the second latch unit 212 in display pattern is from the more of reference voltage bus 131
One of which is selected in individual wire, and gamma (GAMMA) voltage (or gray scale voltage) of selected wire is sent to more than first
The output end of work device 213.Therefore, the output end of the first multiplexer 213 can be with corresponding to output pixel data in display pattern
Pixel drive signal.First multiplexer 213 can be considered as digital analog converter (Digital-to-AnalogConverter,
DAC).By that analogy, the first multiplexer 213 will in point group's data that control mode touch mode can be provided according to the second latch unit 212
Multiple wire one of which of reference voltage bus 131 are coupled to the output end of the first multiplexer 213.Therefore, the first multiplexer
213 output end can export one of those touch-control drive signals corresponding to affiliated group in control mode touch mode.
The input of buffer 214 couples the output end of the first multiplexer 213.The output end of buffer 214 is coupled to tactile
The one pair of which for controlling data wire D_1~D_n of display panel 140 answers data wire D_1.In other embodiments, buffer 214 can
To be omitted depending on design requirement.When buffer 214 is omitted, the output end of the first multiplexer 213 can be coupled to touch-control
The respective data lines D_1 of display panel 140.
The difference that multiple output ends of voltage generation circuit 133 are coupled to reference voltage bus 131 in one-to-one mode is led
Line.Voltage generation circuit 133 in display pattern via reference voltage bus 131 provide varying level multiple gamma electric voltages (Gu
Determine voltage) to driving passage 132_1~132_n the first multiplexer 213 input.Voltage generation circuit 133 is in touch-control mould
Formula provides first multiplexer of multiple contact panel signals to passage 132_1~132_n is driven via reference voltage bus 131
213 input.In the present embodiment, the contact panel signal includes sinusoidal signal or cosine signal.In other embodiments
In, the contact panel signal includes the multiple clock pulses or other drive signals for touch control detection of out of phase.
In embodiment illustrated in fig. 2, voltage generation circuit 133 includes gamma voltage generation circuit 220 and contact panel
Signal generating circuit 230.Multiple output ends of gamma voltage generation circuit 220 are coupled to reference voltage bus in one-to-one mode
131 different conductor.Gamma voltage generation circuit 220 provides multiple gamma electricity in display pattern via reference voltage bus 131
(fixed voltage of varying level) is pressed to the input for the first multiplexer 213 for driving passage 132_1~132_n.Gamma electric voltage
Generation circuit 220 is disabled in control mode touch mode.
Multiple output ends of contact panel signal generating circuit 230 are coupled to reference voltage bus 131 in one-to-one mode
Different conductor.Contact panel signal generating circuit 230 provides multiple touch surfaces in control mode touch mode via reference voltage bus 131
Partitioned signal (such as sinusoidal signal, cosine signal, clock pulses or other drive signals for touch control detection) extremely drives passage
The input of 132_1~132_n the first multiplexer 213.Contact panel signal generating circuit 230 is disabled in display pattern.
In embodiment illustrated in fig. 2, contact panel signal generating circuit 230 include contact panel signal generator 231 with
And multiple second multiplexers 232.Contact panel signal generator 231 produces the multiple contact panel signal.The multiple
The multiple inputs of any one of two multiplexers 232 are respectively coupled to contact panel signal generator 231 in one-to-one mode
Different output ends, to receive different contact panel signals.The output end of any one of the multiple second multiplexer 232 is coupled to
The one of which of those wires of reference voltage bus 131.The multiple second multiplexer 232 is controlled by controller 110.
When source electrode driver 130 operates in display pattern, gamma voltage generation circuit 220 is via reference voltage bus
131 provide first multiplexer 213 of multiple gamma electric voltages (fixed voltage of varying level) to passage 132_1~132_n is driven
Input.Therefore, driving passage 132_1~132_n foundation gamma electric voltage can change image data in display pattern
For related pixel drive signal, image is corresponded to drive touch-control display panel 140 to show.
When source electrode driver 130 operates in control mode touch mode, contact panel signal generating circuit 230 is total via reference voltage
Line 131 provides multiple contact panel signals (such as sinusoidal signal, cosine signal, clock pulses or other for touch control detection
Drive signal) to driving passage 132_1~132_n the first multiplexer 213 input.Drive passage 132_1~132_n's
Second latch unit 212 with breech lock and can export corresponding point of group's data in control mode touch mode.According to described point of group's data, passage is driven
132_1~132_n and data wire D_1~D_n can be clustered as many groups.For example (but being not limited), at some
In embodiment, driving passage 132_1~132_2 the second latch unit 212 can export point group's data " 00 ", driving passage 132_
3~132_4 the second latch unit 212 can export point group's data " 01 ", and drive passage 132_5~132_6 the second breech lock
Device 212 can export point group's data " 02 ".According to point group's data, data wire D_1~D_2 can be clustered to be total to for the first group
The contact panel signal that first wire of same transmission reference voltage bus 131 is provided is as touch-control drive signal, data wire D_3
~D_4 can be clustered transmits the contact panel that the second wire of reference voltage bus 131 is provided jointly by the second group
Signal is as touch-control drive signal, and data wire D_5~D_6 can be clustered that to transmit reference voltage jointly for the 3rd group total
The contact panel signal that the privates of line 131 is provided is as touch-control drive signal.
In further embodiments, driving passage 132_1~132_3 the second latch unit 212 can export point group's data "
00 ", and drive passage 132_4~132_6 the second latch unit 212 to export point group's data " 02 ".According to point group's data, number
Touching of transmitting that the first wire of reference voltage bus 131 provides jointly by the first group can be clustered according to line D_1~D_3
Panel signal is controlled as touch-control drive signal, and data wire D_4~D_6 can be clustered and transmit reference jointly for the second group
The contact panel signal that the privates of voltage bus 131 is provided is as touch-control drive signal.
Again as an example it is assumed that ancestral home driver 130 has 1000 data lines (or driving passage).The present embodiment can make
The output data of the second latch unit 212 of the corresponding driving passage of 1st~100 data line is the 00, the 101st~200 data line
The output data of the second latch unit 212 of corresponding driving passage is the corresponding driving passage of the 01, the 201st~300 data line
The output data of second latch unit 212 is 02 ... by that analogy.Therefore, the present embodiment can by 1000 data lines (or driving
Passage) group turns to 10 groups (1000/100=10).
After by data wire (or driving passage) grouping, controller 110 can be by controlling the multiple second multiplexing
Device 232 changes the touch-control drive signal of these groups.For example, in the first period of control mode touch mode, the second multiplexer 232
The sinusoidal signal (+sin) that contact panel signal generator 231 can be provided is transmitted to the first of reference voltage bus 131
Wire, the negative and positive string signal (- sin) that contact panel signal generator 231 is provided is transmitted to the of reference voltage bus 131
Two wires, the cosine signal (+cos) that contact panel signal generator 231 is provided is transmitted to the of reference voltage bus 131
Three wires, and the negative cosine signal (- cos) that contact panel signal generator 231 is provided is transmitted to reference voltage bus
131 privates.In the second phase of control mode touch mode, the second multiplexer 232 can be by the institute of contact panel signal generator 231
The cosine signal (+cos) of offer is transmitted to the first wire of reference voltage bus 131, by the institute of contact panel signal generator 231
The negative cosine signal (- cos) provided is transmitted to the second wire of reference voltage bus 131, by contact panel signal generator 231
The sinusoidal signal (+sin) provided is transmitted to the privates of reference voltage bus 131, and contact panel signal is produced
The negative and positive string signal (- sin) that device 231 is provided is transmitted to the privates of reference voltage bus 131.
In summary, the present embodiment can pass through the second breech lock by group's data write driver passage 132_1~132_n is divided
Device 212, and be many groups by driving passage 132_1~132_n and data wire D_1~D_n points of group.Then, the present embodiment can be with
By controlling the second multiplexer 232 to change the touch-control drive signal of these groups.Therefore, source electrode driver 130 is in touch-control mould
In formula the transmitter of touch control detection can be taken as to use, data wire D_1~D_n can be taken as touch-control sensing in control mode touch mode
The driving electrodes of device are used, and scan line S_1~S_m can be taken as the sensing electrode of touch control sensor to make in control mode touch mode
With.The touch-control resolution ratio of touch-control display panel 140 can be determined by point group's data Lai elastic in control mode touch mode.Through grouping
Data wire (a plurality of data lines for belonging to same group) can transmit bigger energy jointly, be detected with profit touching.
In other embodiments, buffer 214 is probably with function switching signal (signal-conversion
Function buffer).In control mode touch mode, voltage generation circuit 133 can produce data signal (contact panel signal)
Via reference voltage bus 131 respectively to driving passage 132_1,132_2,132_3,132_4,132_5,132_6 ..., 132_n
In the first multiplexer 213.Point group's data provided according to the second latch unit 212 in control mode touch mode, the first multiplexer 213
One can be selected from the data signal of reference voltage bus 131 to export to buffer 214.Buffer 214 is in tactile
The data signal is received via the first multiplexer 213 in control pattern, and the data signal is converted into touch-control driving letter
Number.
Fig. 3 is the circuit box schematic diagram for illustrating source electrode driver 130 shown in Fig. 1 according to another embodiment of the present invention.Fig. 3
Shown source electrode driver 130 include reference voltage bus 131, multiple driving passages (for example drive passage 132_1,132_2,
132_3,132_4,132_5,132_6 ..., 132_n), voltage generation circuit 310 and shift register 134.Join shown in Fig. 3
Examine voltage bus 131, driving passage 132_1~132_n) and shift register 134 be referred to the phase of embodiment illustrated in fig. 2
Speak on somebody's behalf bright and analogize it.
In embodiment illustrated in fig. 3, voltage generation circuit 310 includes gamma voltage generation circuit 320.Gamma electric voltage is produced
Multiple output ends of circuit 320 are coupled to the different conductor of reference voltage bus 131 in one-to-one mode.Gamma electric voltage produces electricity
Road 320 provides multiple gamma electric voltages (fixed voltage of varying level) to driving in display pattern via reference voltage bus 131
The input of passage 132_1~132_n the first multiplexer 213.Gamma voltage generation circuit 320 is in control mode touch mode via reference
Voltage bus 131 provides multiple contact panel signals (such as sinusoidal signal, cosine signal, clock pulses or other for touch-control
The drive signal of detection) to driving passage 132_1~132_n the first multiplexer 213 input.
Embodiment illustrated in fig. 3 can also pass through the second latch unit by group's data write driver passage 132_1~132_n is divided
212, and be many groups by driving passage 132_1~132_n and data wire D_1~D_n points of group.Belong in control mode touch mode same
Multiple driving passages output identical touch-control drive signal of group.Then, the present embodiment can be by gamma voltage generation circuit
320 change the touch-control drive signals of these groups.Therefore, source electrode driver 130 can be taken as touch-control in control mode touch mode
The transmitter of detection is used, and data wire D_1~D_n can be taken as the driving electrodes of touch control sensor to use in control mode touch mode,
And scan line S_1~S_m can be taken as the sensing electrode of touch control sensor to use in control mode touch mode.In control mode touch mode, touch
Controlling the touch-control resolution ratio of display panel 140 can be determined by point group's data Lai elastic.Data wire through grouping (belongs to same a group
The a plurality of data lines of group) bigger energy can be transmitted jointly, detected with profit touching.
Although the present invention is disclosed above with embodiment, so it is not limited to the present invention, any art
Middle tool usually intellectual, without departing from the spirit and scope of the present invention, when a little change and retouching can be made, thus it is of the invention
Protection domain when being defined depending on the scope of the appended claims person of defining.
Claims (19)
1. a kind of touch control display module, including：
One touch-control display panel, with a plurality of data lines；And
At least one source driver, is coupled to a plurality of data lines of the touch-control display panel, the source electrode driver is in a display
Pattern provides multiple pixel drive signals to a plurality of data lines to drive the touch-control display panel to show a corresponding shadow respectively
The a plurality of data lines point group is multiple groups in a control mode touch mode by picture, the source electrode driver, and the source electrode driver is at this
Control mode touch mode exports multiple touch-control drive signals to the plurality of group respectively, wherein belonging to same group in the control mode touch mode
The a plurality of data lines be provided identical touch-control drive signal；
Wherein the source electrode driver includes：
One reference voltage bus；
Multiple driving passages, each of which driving passage each including a latch unit and one first multiplexer, the latch unit in
The display pattern breech lock simultaneously exports a pixel data, and the latch unit is in the control mode touch mode breech lock and exports one point of group's data, and this
The control end of one multiplexer is coupled to the output end of the latch unit to receive the pixel data or this point of group's data, first multiplexing
Multiple inputs of device are coupled to the different conductor of the reference voltage bus in one-to-one mode, an output of first multiplexer
One of the plurality of pixel drive signal of end output or one of those touch-control drive signals；And
One voltage generation circuit, its multiple output end are coupled to those wires of the reference voltage bus in one-to-one mode, its
In the voltage generation circuit provide multiple gamma electric voltages to those the first multiplexings via the reference voltage bus in the display pattern
The input of device, and the voltage generation circuit provide multiple contact panels via the reference voltage bus in the control mode touch mode and believed
Number to those the first multiplexers input.
2. touch control display module according to claim 1, increases wherein each driving passage each also includes a unit
Beneficial buffer, the input of the module gain buffer is coupled to the output end of first multiplexer, module gain buffering
The output end of device is coupled to the one of which of those data wires of the touch-control display panel.
3. touch control display module according to claim 1, wherein the contact panel signal includes sinusoidal signal or cosine
Signal.
4. touch control display module according to claim 1, wherein each driving passage each also includes a buffer,
One input of the buffer is coupled to the output end of first multiplexer, and an output end of the buffer is coupled to the touch-control
The one of which of those data wires of display panel.
5. touch control display module according to claim 4, wherein those contact panel signals include a data signal, and are somebody's turn to do
Buffer receives the data signal via first multiplexer in the control mode touch mode and the data signal is converted into the touch-control
Drive signal.
6. touch control display module according to claim 1, the wherein voltage generation circuit are a gamma voltage generation circuit.
7. touch control display module according to claim 1, the wherein voltage generation circuit include：
One gamma voltage generation circuit, its multiple output end are coupled to those of the reference voltage bus in one-to-one mode and led
Line, the wherein gamma voltage generation circuit in the display pattern via the reference voltage bus provide multiple gamma electric voltages to those
The input of first multiplexer, and the gamma voltage generation circuit are disabled in the control mode touch mode；And
One contact panel signal generating circuit, its multiple output end are coupled to those of the reference voltage bus in one-to-one mode
Wire, wherein the contact panel signal generating circuit provide multiple contact panels in the control mode touch mode via the reference voltage bus
Signal is to the input of those the first multiplexers, and the contact panel signal generating circuit is disabled in the display pattern.
8. touch control display module according to claim 7, wherein the contact panel signal generating circuit include：
One contact panel signal generator, produces those contact panel signals；And
Multiple second multiplexers, the multiple inputs of any one of those the second multiplexers are coupled to contact panel signal generation
Device is to receive those contact panel signals, and to be coupled to the reference voltage total for an output end of any one of those the second multiplexers
The one of which of those wires of line.
9. a kind of source electrode driver, including：
One reference voltage bus；
Multiple driving passages, each of which driving passage each including a latch unit and one first multiplexer, the latch unit in
One display pattern breech lock simultaneously exports a pixel data, and the latch unit is in a control mode touch mode breech lock and exports one point of group's data, and this
The control end of one multiplexer is coupled to the output end of the latch unit to receive the pixel data or this point of group's data, first multiplexing
Multiple inputs of device are coupled to the different conductor of the reference voltage bus in one-to-one mode, an output of first multiplexer
One of multiple pixel drive signals of end output or one of multiple touch-control drive signals；And
One voltage generation circuit, its multiple output end are coupled to those wires of the reference voltage bus in one-to-one mode, its
In the voltage generation circuit provide multiple gamma electric voltages to those the first multiplexings via the reference voltage bus in the display pattern
The input of device, and the voltage generation circuit provide multiple contact panels via the reference voltage bus in the control mode touch mode and believed
Number to those the first multiplexers input.
10. source electrode driver according to claim 9, wherein those driving passages according to those point of group's data be clustered for
Multiple groups, and belong in the control mode touch mode those driving passages output identical touch-control drive signals of same group.
11. source electrode driver according to claim 9, wherein each driving passage each also includes a module gain
Buffer, the input of the module gain buffer is coupled to the output end of first multiplexer, the module gain buffer
Output end be coupled to a touch-control display panel multiple data wires one of which.
12. source electrode driver according to claim 9, wherein the contact panel signal includes sinusoidal signal or cosine is believed
Number.
13. source electrode driver according to claim 9, wherein each driving passage each also includes a buffer,
The input of the buffer is coupled to the output end of first multiplexer, and the output end of the buffer is coupled to a touch-control and shown
The one of which of multiple data wires of panel.
14. source electrode driver according to claim 13, wherein those contact panel signals include a data signal, and are somebody's turn to do
Buffer receives the data signal via first multiplexer in the control mode touch mode and the data signal is converted into the touch-control
Drive signal.
15. source electrode driver according to claim 9, the wherein voltage generation circuit are a gamma voltage generation circuit.
16. source electrode driver according to claim 9, the wherein voltage generation circuit include：
One gamma voltage generation circuit, its multiple output end are coupled to those of the reference voltage bus in one-to-one mode and led
Line, the wherein gamma voltage generation circuit in the display pattern via the reference voltage bus provide multiple gamma electric voltages to those
The input of first multiplexer, and the gamma voltage generation circuit are disabled in the control mode touch mode；And
One contact panel signal generating circuit, its multiple output end are coupled to those of the reference voltage bus in one-to-one mode
Wire, wherein the contact panel signal generating circuit provide multiple contact panels in the control mode touch mode via the reference voltage bus
Signal is to the input of those the first multiplexers, and the contact panel signal generating circuit is disabled in the display pattern.
17. source electrode driver according to claim 16, wherein the contact panel signal generating circuit include：
One contact panel signal generator, produces those contact panel signals；And
Multiple second multiplexers, the multiple inputs of any one of those the second multiplexers are coupled to contact panel signal generation
Device is to receive those contact panel signals, and to be coupled to the reference voltage total for an output end of any one of those the second multiplexers
The one of which of those wires of line.
18. a kind of driving method of touch control display module, including：
Source electrode driver is made to provide a plurality of to a touch-control display panel respectively by multiple pixel drive signals in a display pattern
Data wire, to drive the touch-control display panel to show a corresponding image；
Source electrode driver is made to be multiple groups by those data wires point group in a control mode touch mode；And
Source electrode driver is made to export multiple touch-control drive signals to those groups respectively in the control mode touch mode, wherein in the touch-control
Those data wires for belonging to same group in pattern are provided identical touch-control drive signal；
Wherein the source electrode driver includes：
One reference voltage bus；
Multiple driving passages, each of which driving passage each including a latch unit and one first multiplexer, the latch unit in
The display pattern breech lock simultaneously exports a pixel data, and the latch unit is in the control mode touch mode breech lock and exports one point of group's data, and this
The control end of one multiplexer is coupled to the output end of the latch unit to receive the pixel data or this point of group's data, first multiplexing
Multiple inputs of device are coupled to the different conductor of the reference voltage bus in one-to-one mode, an output of first multiplexer
One of the plurality of pixel drive signal of end output or one of those touch-control drive signals；And
One voltage generation circuit, its multiple output end are coupled to those wires of the reference voltage bus in one-to-one mode, its
In the voltage generation circuit provide multiple gamma electric voltages to those the first multiplexings via the reference voltage bus in the display pattern
The input of device, and the voltage generation circuit provide multiple contact panels via the reference voltage bus in the control mode touch mode and believed
Number to those the first multiplexers input.
19. according to the driving method of claim 18 touch control display module, wherein the touch-control drive signal is included just
String signal or cosine signal.
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| CN201410154154.6A CN105023544B (en) | 2014-04-17 | 2014-04-17 | Touch control display module and its driving method and source electrode driver |
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| CN107102766B (en) * | 2016-02-19 | 2020-07-31 | 禾瑞亚科技股份有限公司 | Method, device and system for reducing interference of driving signal on touch liquid crystal screen |
| CN106201107B (en) * | 2016-07-29 | 2019-01-22 | 厦门天马微电子有限公司 | A kind of touch-control display panel and its driving method, touch control display apparatus |
| CN113253530B (en) * | 2021-07-14 | 2021-09-17 | 北京京东方技术开发有限公司 | Display panel and display device |
| CN116027931B (en) * | 2023-03-28 | 2023-07-07 | 惠科股份有限公司 | Touch display driving circuit, driving method and touch display panel |
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| TW200634705A (en) * | 2005-03-23 | 2006-10-01 | Au Optronics Corp | Gamma voltage generator and LCD utilizing the same |
| TW201349061A (en) * | 2012-05-23 | 2013-12-01 | Hung-Ta Liu | Touch control method |
| CN103456267A (en) * | 2013-08-26 | 2013-12-18 | 北京京东方光电科技有限公司 | Touch display drive circuit and drive method and display device thereof |
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| WO2010133070A1 (en) * | 2009-05-21 | 2010-11-25 | 智点科技（深圳）有限公司 | Touch-control flat panel display and driving circuit thereof |
| KR101331038B1 (en) * | 2012-12-28 | 2013-11-19 | 주식회사 실리콘웍스 | Touch-display apparatus and method for driving the same |
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| TW200634705A (en) * | 2005-03-23 | 2006-10-01 | Au Optronics Corp | Gamma voltage generator and LCD utilizing the same |
| TW201349061A (en) * | 2012-05-23 | 2013-12-01 | Hung-Ta Liu | Touch control method |
| CN103456267A (en) * | 2013-08-26 | 2013-12-18 | 北京京东方光电科技有限公司 | Touch display drive circuit and drive method and display device thereof |
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