CN109885204A - Touch control display method, touch-control display control circuit and touch control display apparatus - Google Patents
Touch control display method, touch-control display control circuit and touch control display apparatus Download PDFInfo
- Publication number
- CN109885204A CN109885204A CN201910150728.5A CN201910150728A CN109885204A CN 109885204 A CN109885204 A CN 109885204A CN 201910150728 A CN201910150728 A CN 201910150728A CN 109885204 A CN109885204 A CN 109885204A
- Authority
- CN
- China
- Prior art keywords
- touch
- original
- signal
- display
- scanning signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The embodiment of the present invention provides a kind of touch control display method, is applied to touch control display apparatus, includes the following steps: step S1, obtain the original touch scanning signals and original display scanning signal of present frame；Step S2, it is multiple discontinuous sub- effectual times to generate target display scanning signal by the Time segments division that the original display scanning signal of the present frame is in effective status, the period that the original touch scanning signals are in effective status corresponds to the interval period that the target shows each sub- effectual time of scanning signal；Step S3 executes touch control operation according to the original touch scanning signals and shows that scanning signal executes display operation according to the target.Touch-control precision can be improved in touch control display method provided in an embodiment of the present invention.The embodiment of the present invention also provides a kind of touch-control display control circuit and touch control display apparatus.
Description
Technical field
The present invention relates to field of photoelectric technology more particularly to a kind of touch control display methods, storage medium and touch-control display dress
It sets.
Background technique
Existing smart machine usually simultaneously be configured with display function and touch function, a kind of smart machine using timesharing into
The mode of row display and touch-control, and another kind of smart machine, can be performed simultaneously display function and touch function.Wherein, with liquid crystal
For display device, the thin film transistor (TFT) being set on substrate is shown with thin film transistor (TFT) driving liquid crystal molecule rotation.
Display signal includes gated sweep signal and display scanning signal, and the output of gated sweep signal is used for when being high level
Thin film transistor (TFT) conducting is controlled, display scanning signal exports high level, and control liquid crystal molecule rotation angle realizes respective picture
Display.For controlling thin film transistor (TFT) disconnection when the output of gated sweep signal is low level.When be performed simultaneously display function and touching
When controlling function, gated sweep signal, display scanning signal and touching signals are respectively with a scheduled rate-adaptive pacemaker.In certain a period of time
It carves, if touching signals and display scanning signal export high level simultaneously, touching signals are (predominantly thin by gated sweep signal
Film transistor on state and off-state switch, and corresponding gated sweep signal jumps between high level and low level, at this time
Pressure difference is larger) influence, will lead to touch accuracy misalignment.
Summary of the invention
One aspect of the present invention provides a kind of touch control display method, is applied to touch control display apparatus, includes the following steps:
Step S1 obtains the original touch scanning signals and original display scanning signal of present frame；
The Time segments division that the original display scanning signal of the present frame is in effective status is multiple by step S2
Discontinuous sub- effectual time shows that scanning signal, the original touch scanning signals are in effective status to generate the target
Period correspond to the interval period that the target shows each sub- effectual time of scanning signal；
Step S3 executes touch control operation according to the original touch scanning signals and shows scanning signal according to the target
Execute display operation.
Another aspect of the present invention provides a kind of touch-control display control circuit, comprising:
Signal acquisition module, for obtaining the original touch scanning signals and original display scanning signal of present frame；
It is aobvious to generate target for modulating frequency and the pulse width of the original display scanning signal for signal modulation module
Show that scanning signal, the target show that scanning signal and the original touch scanning signals are not in effective status simultaneously；And
Touch-control display control module, for executing touch control operation according to the original touch scanning signals and according to the mesh
Mark display scanning signal executes display operation.
Another aspect of the present invention provides a kind of touch control display apparatus, including processor and memory, the memory storage
There is computer program, the computer program can realize the step such as above-mentioned touch control display method when being executed by the processor
Suddenly.
Touch control display method provided in an embodiment of the present invention, according to original touch scanning signals and original display scanning letter
Number, the frequency and pulse width of original display scanning signal are modulated, scanning signal is shown to generate target, keeps target aobvious
Show that scanning signal and original touch scanning signals simultaneously in effective status, do not avoid gated sweep signal from generating touch-control dry
It disturbs, is conducive to improve touch-control precision.
Detailed description of the invention
Fig. 1 is the step flow diagram of touch control display method provided in an embodiment of the present invention.
Fig. 2 is another steps flow chart schematic diagram of touch control display method provided in an embodiment of the present invention.
Fig. 3 is the refinement flow diagram of step S2 in Fig. 1.
Fig. 4 is the refinement flow diagram of step S21 in Fig. 3.
Fig. 5 is the original signal output waveform in a frame image.
Fig. 6 is the electrical block diagram of differential circuit provided in an embodiment of the present invention.
Fig. 7 is the output waveform diagram of differential circuit in Fig. 6.
Fig. 8 is the electrical block diagram of counter provided in an embodiment of the present invention.
Fig. 9 corresponding signal waveform schematic diagram when being step S22.
Figure 10 is the modular structure schematic diagram of touch-control display control circuit provided in an embodiment of the present invention.
Figure 11 is the modular structure schematic diagram of touch control display apparatus provided in an embodiment of the present invention.
Main element symbol description
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Referring to Fig. 1, touch control display method provided in this embodiment, comprising:
Step S1 obtains the original touch scanning signals and original display scanning signal of present frame；
The Time segments division that the original display scanning signal of present frame is in effective status is multiple discontinuous by step S2
Sub- effectual time shows scanning signal to generate target, and it is aobvious that the period that original touch scanning signals are in effective status corresponds to target
Show the interval period of each sub- effectual time of scanning signal；
Step S3 executes touch control operation according to the original touch scanning signals and shows scanning signal according to the target
Execute display operation.
Touch control display method provided in this embodiment is applied to touch control display apparatus, and touch control display apparatus can be liquid crystal
Show device, light emitting diode indicator etc., in the present embodiment, illustrate so that touch control display apparatus is liquid crystal display as an example
It is bright.In a liquid crystal display, while touch function and display function being configured with.It include multiple for doing touch-control in liquid crystal display
Touch-driven electrode, liquid crystal layer and for controlling liquid crystal layer liquid crystal molecule rotation angle driving element it is (generally thin
Film transistor).
In step S1, original touch scanning signals with default rule for being exported to touch control electrode to realize touch-control function
Can, original display scanning signal with default rule for being exported to driving element, with driving element control liquid crystal molecule rotation
Different angle realizes that different pictures show that picture is shown as unit of frame, and continuous multiple frames picture can form video image,
In, the mode signal output for realizing that each frame picture is shown is roughly the same, in the present embodiment, below to realize that a frame picture is shown
Process for be illustrated.Wherein, in step S1, present frame is defined as, apart from a certain time having not yet been displayed recently
Picture frame.
Referring to Fig. 2, in the present embodiment, touch control display method further include:
Step S4 judges that original touch scanning signals described in present frame and original display scanning signal are in effective status
Whether the period has overlapping；
Step S5 executes touch control operation according to original touch scanning signals and is scanned according to original display if being judged as NO
Signal executes display operation.
If being judged as YES, S2 is thened follow the steps.
Thin film transistor (TFT) can drive liquid crystal molecule rotation respective angles to realize that image is aobvious according to original display scanning signal
Show.In the present embodiment, display scanning signal exports high state and is defined as its effective status, and original touch scanning signals are in height
The state of level is defined as its effective status, if the original touch scanning signals of present frame and original display scanning signal are in effective
The period of state is overlapped, and touch accuracy is just influenced by gated sweep signal.The original touching of present frame is then judged by step S4
It is overlapping whether control scanning signal has with the period that original display scanning signal is in effective status, and step is executed when being judged as NO
S5 executes touch control operation according to original touch scanning signals and executes display operation according to original display scanning signal.
When being judged as YES, step S2 is executed, the frequency and pulse width for modulating original display scanning signal are to generate target
It shows scanning signal, target is made to show scanning signal and original touch scanning signals not simultaneously in effective status, to avoid touching
Control precision is influenced by gated sweep signal.
Referring to Fig. 3, step S2 is specifically included:
Step S21 obtains the original touch scanning signals of present frame and the frequency and arteries and veins of original display scanning signal respectively
Rush width；
Step S22, it is wide according to the frequency and pulse of the original touch scanning signals of present frame and original display scanning signal
The frequency and pulse width of degree modulation original display scanning signal show that scanning signal, target show scanning signal to generate target
It is not in effective status simultaneously with original touch scanning signals.
Referring to Fig. 4, step S21 is specifically included:
Step S211 carries out differential to the original touch scanning signals of present frame and original display scanning signal respectively with life
At and the corresponding first spike signal of original touch scanning signals and the second spike corresponding with original display scanning signal
Pulse signal；
Step S212 carries out edge-triggered respectively with the first spike signal and the second spike signal and counts,
To obtain the original touch scanning signals of present frame and the frequency and pulse width of original display scanning signal.
Referring to Fig. 5, only showing the signal output waveform in a frame image in Fig. 5, including original display scanning signal H-
Sync, original touch scanning signals Vsense and vertical synchronizing signal V-Sync.In N picture frame, vertical synchronizing signal V-
Sync output is high level, and original display scanning signal H-Sync output is continuously height, and liquid crystal display shows nth frame image,
In this period, original touch scanning signals Vsense is in the high level period in the period I and II, it sweeps with original display at this time
It retouches signal H-Sync while being in high level, i.e., be in effective status simultaneously, need to be modulated original display scanning signal.
Referring to Fig. 6, with two differential circuits 30 as shown in FIG. 6 respectively to original touch scanning signals Vsense and original
Begin display scanning signal H-Sync progress differential process, carries out differential process to original touch scanning signals Vsense and generates as schemed
First spike signal V corresponding with original touch scanning signals Vsense shown in 71Sense, the first spike signal
V1The level jump moment (including rising edge and failing edge) of each pulse of sense and original touch scanning signals Vsense
It corresponds.As shown in Figure 7 the scanning with original display of differential process generation is carried out to original display scanning signal H-Sync to believe
Number corresponding second spike signal H of H-Sync1- Sync, the second spike signal H1Each pulse and original of-Sync
Begin to show that the rising edge of scanning signal H-Sync corresponds.
Please refer to Fig. 6 and Fig. 7, with the first spike signal V1Sense and the second spike signal H1-Sync
Edge-triggered is carried out to trigger 40, in the present embodiment, the agreement jump of edge-triggered is that low level is jumped to high level, namely
Only signal output is just had in the instantaneous trigger device 40 that low level is jumped to high level.
With counter structure shown in Fig. 8 to the first spike signal V after triggering1Sense and the second spike letter
Number H1The pulse of-Sync is counted, and is calculated pulse spacing, pulse spacing namely period, can be calculated frequency with the period.It will count
The jump of device linkage convention is that high level jumps to low level trigger the arteries and veins that can calculate original display scanning signal H-Sync
Rush width.
Referring to Fig. 9, according to the frequency of original touch scanning signals Vsense and original display scanning signal H-Sync and
When the original display scanning signal H-Sync Time segments division for being in effective status is that three discontinuous sons are effective by pulse width
Section 3a, 3b, 3c shows scanning signal H to generate target2- Sync makes in present frame, and original touch scanning signals Vsense is in
The period I of effective status, corresponding target showed scanning signal H2The interval period of the sub- effectual time 3a and 3b of-Sync, in having
The period II of effect state, corresponding target showed scanning signal H2The interval period of the sub- effectual time 3b and 3c of-Sync.That is, former
Beginning touch scanning signals are in the interval period of the period of effective status and each sub- effectual time of target display scanning signal
It corresponds.In present frame, the pulse width of original touch scanning signals Vsense is less than interval period length namely period I
Duration be less than corresponding interval period, the duration of period II is less than corresponding interval period.Then target, which is shown, sweeps
Retouch signal H2- Sync and original touch scanning signals Vsense is not in effective status simultaneously.
In other embodiments, other circuit structures can be used and realize side identical with Fig. 6 and circuit structure shown in Fig. 8
Method step.
Touch control display method provided in an embodiment of the present invention, according to original touch scanning signals and original display scanning letter
Number, the frequency and pulse width of original display scanning signal are modulated, scanning signal is shown to generate target, keeps target aobvious
Show that scanning signal and original touch scanning signals simultaneously in effective status, do not avoid gated sweep signal from generating touch-control dry
It disturbs, is conducive to improve touch-control precision.
Referring to Fig. 10, touch-control display control circuit 10 provided in this embodiment, comprising:
Signal acquisition module 11, for obtaining the original touch scanning signals and original display scanning signal of present frame；
Signal modulation module 12, frequency and pulse width for modulating original display scanning signal are shown with generating target
Scanning signal, target show that scanning signal and original touch scanning signals are not in effective status simultaneously；And
Touch-control display control module 13, for executing touch control operation according to original touch scanning signals and being shown according to target
Scanning signal executes display operation.
Touch-control display control circuit 10 provided in this embodiment, may be implemented such as above-mentioned all method and steps, it can be achieved that
Above-mentioned all beneficial effects.
In the present embodiment, touch-control display control circuit 10 is a touch-control display control chip；
In an embodiment, a functional module of the touch-control display control circuit 10 as touch-control display control chip；
In an embodiment, touch-control display control circuit 10 is built in a touch control display apparatus, signal acquisition module 11,
Signal modulation module 12, touch-control display control module 13 are all set on the mainboard of touch control display apparatus；
In another embodiment, signal acquisition module 11, signal modulation module 12, touch-control display control module 13 are wherein
A part is set on mainboard, a functional module of the another part as touch-control display control chip.
The set-up mode of touch-control display control circuit 10 provided in this embodiment, include but are not limited to it is above-mentioned list it is several
Kind, the present embodiment does not limit this.
Please refer to Figure 11, touch control display apparatus 20 provided in this embodiment, including processor 21 and memory 22, memory
22 are stored with computer program, which can realize method as described in any one of the above embodiments when being executed by processor 21
Step.Touch control display apparatus 20 provided in this embodiment is, it can be achieved that such as above-mentioned all beneficial effects.
Those skilled in the art it should be appreciated that more than embodiment be intended merely to illustrate the present invention,
And be not used as limitation of the invention, as long as within spirit of the invention, it is to the above embodiments
Appropriate change and variation are all fallen within the scope of protection of present invention.
Claims (10)
1. a kind of touch control display method is applied to touch control display apparatus, which comprises the steps of:
Step S1 obtains the original touch scanning signals and original display scanning signal of present frame；
The original display scanning signal of the present frame is in the Time segments division of effective status and not connected to be multiple by step S2
Continuous sub- effectual time shows that scanning signal, the original touch scanning signals are in the period pair of effective status to generate target
The target is answered to show the interval period of each sub- effectual time of scanning signal；
Step S3 executes touch control operation according to the original touch scanning signals and shows that scanning signal executes according to the target
Display operation.
2. touch control display method as described in claim 1, which is characterized in that before step S2 further include:
Step S4 judges that original touch scanning signals described in the present frame and the original data signal are in effective status
Whether the period has overlapping；
Step S5 executes touch control operation according to the original touch scanning signals and according to the original display if being judged as NO
Scanning signal executes display operation.
If being judged as YES, the step S2 is executed.
3. touch control display method as described in claim 1, which is characterized in that the step S2 is specifically included:
Step S21 obtains the original touch scanning signals and the original display scanning signal of the present frame respectively
Frequency and pulse width；
Step S22, according to the original touch scanning signals of the present frame and the frequency of the original display scanning signal
And pulse width modulate frequency and the pulse width of the original display scanning signal with generate target show scanning signal, it is described
Target shows that scanning signal and the original touch scanning signals are not in effective status simultaneously.
4. touch control display method as claimed in claim 3, which is characterized in that the step S21 is specifically included:
Step S211 respectively carries out the original touch scanning signals of the present frame and the original display scanning signal
Differential is believed with generating the first spike signal corresponding with the original touch scanning signals and scanning with the original display
Number corresponding second spike signal；
Step S212, respectively by the first spike signal and the second spike signal carry out edge-triggered and in terms of
Number, with obtain the present frame the original touch scanning signals and the original display scanning signal frequency and pulse it is wide
Degree.
5. touch control display method as claimed in claim 4, which is characterized in that the original touch scanning signals are in effective shape
The period of state and the target show that the interval period of each sub- effectual time of scanning signal corresponds.
6. touch control display method as claimed in claim 5, which is characterized in that in the present frame, the original touch-control is swept
The pulse width for retouching signal is less than each described interval period length.
7. touch control display method as claimed in claim 5, which is characterized in that the agreement jump of the edge-triggered is low level
It jumps to high level.
8. touch control display method as claimed in claim 5, which is characterized in that the effective status is high level state.
9. a kind of touch-control display control circuit characterized by comprising
Signal acquisition module, for obtaining the original touch scanning signals and original display scanning signal of present frame；
Signal modulation module is shown with to generate target for modulating frequency and the pulse width of the original display scanning signal and is swept
Signal is retouched, the target shows that scanning signal and the original touch scanning signals are not in effective status simultaneously；And
Touch-control display control module, for executing touch control operation according to the original touch scanning signals and being shown according to the target
Show that scanning signal executes display operation.
10. a kind of touch control display apparatus, including processor and memory, the memory are stored with computer program, feature
It is, the computer program can realize that method as described in any one of claims 1 to 8 is walked when being executed by the processor
Suddenly.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910150728.5A CN109885204B (en) | 2019-02-28 | 2019-02-28 | Touch display method, touch display control circuit and touch display device |
| TW108108321A TWI721387B (en) | 2019-02-28 | 2019-03-12 | Touch display method, touch display control circuit and touch display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910150728.5A CN109885204B (en) | 2019-02-28 | 2019-02-28 | Touch display method, touch display control circuit and touch display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109885204A true CN109885204A (en) | 2019-06-14 |
| CN109885204B CN109885204B (en) | 2022-04-12 |
Family
ID=66929959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910150728.5A Active CN109885204B (en) | 2019-02-28 | 2019-02-28 | Touch display method, touch display control circuit and touch display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109885204B (en) |
| TW (1) | TWI721387B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140160067A1 (en) * | 2012-12-11 | 2014-06-12 | Lg Display Co., Ltd. | Display device with integrated touch screen and method of driving the same |
| WO2014153832A1 (en) * | 2013-03-29 | 2014-10-02 | 北京京东方光电科技有限公司 | Control method and device for touch display panel and display device |
| TW201504905A (en) * | 2013-07-22 | 2015-02-01 | Chunghwa Picture Tubes Ltd | Method of driving touch display and touch display capable of increasing signal-to-noise ratio |
| CN104461138A (en) * | 2014-12-05 | 2015-03-25 | 京东方科技集团股份有限公司 | Method and device for driving touch display panel and touch display panel |
| US20150109270A1 (en) * | 2013-10-18 | 2015-04-23 | Seiko Epson Corporation | Electro-optic device, driving method for electro-optic device and electronic device |
| CN105824449A (en) * | 2015-01-09 | 2016-08-03 | 南京瀚宇彩欣科技有限责任公司 | Touch display device and driving method thereof |
| CN106598334A (en) * | 2016-12-15 | 2017-04-26 | 厦门天马微电子有限公司 | Touch display apparatus and driving method thereof |
| US20180107292A1 (en) * | 2016-10-13 | 2018-04-19 | Lg Display Co., Ltd. | Touch display device, and touch driving circuit and method of driving same |
| CN108415606A (en) * | 2018-03-26 | 2018-08-17 | 京东方科技集团股份有限公司 | Show touch-control scan method and chip, storage medium, display device |
| CN108664163A (en) * | 2018-04-26 | 2018-10-16 | 北京集创北方科技股份有限公司 | Control method and touch display system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208188800U (en) * | 2016-09-30 | 2018-12-04 | 深圳深微创芯科技有限公司 | Touch display unit and electronic equipment |
| TWI678654B (en) * | 2018-11-14 | 2019-12-01 | 友達光電股份有限公司 | Touch display device and touch driving method |
-
2019
- 2019-02-28 CN CN201910150728.5A patent/CN109885204B/en active Active
- 2019-03-12 TW TW108108321A patent/TWI721387B/en active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140160067A1 (en) * | 2012-12-11 | 2014-06-12 | Lg Display Co., Ltd. | Display device with integrated touch screen and method of driving the same |
| WO2014153832A1 (en) * | 2013-03-29 | 2014-10-02 | 北京京东方光电科技有限公司 | Control method and device for touch display panel and display device |
| TW201504905A (en) * | 2013-07-22 | 2015-02-01 | Chunghwa Picture Tubes Ltd | Method of driving touch display and touch display capable of increasing signal-to-noise ratio |
| US20150109270A1 (en) * | 2013-10-18 | 2015-04-23 | Seiko Epson Corporation | Electro-optic device, driving method for electro-optic device and electronic device |
| CN104461138A (en) * | 2014-12-05 | 2015-03-25 | 京东方科技集团股份有限公司 | Method and device for driving touch display panel and touch display panel |
| CN105824449A (en) * | 2015-01-09 | 2016-08-03 | 南京瀚宇彩欣科技有限责任公司 | Touch display device and driving method thereof |
| US20180107292A1 (en) * | 2016-10-13 | 2018-04-19 | Lg Display Co., Ltd. | Touch display device, and touch driving circuit and method of driving same |
| CN106598334A (en) * | 2016-12-15 | 2017-04-26 | 厦门天马微电子有限公司 | Touch display apparatus and driving method thereof |
| CN108415606A (en) * | 2018-03-26 | 2018-08-17 | 京东方科技集团股份有限公司 | Show touch-control scan method and chip, storage medium, display device |
| CN108664163A (en) * | 2018-04-26 | 2018-10-16 | 北京集创北方科技股份有限公司 | Control method and touch display system |
Also Published As
| Publication number | Publication date |
|---|---|
| TW202034139A (en) | 2020-09-16 |
| TWI721387B (en) | 2021-03-11 |
| CN109885204B (en) | 2022-04-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104731399B (en) | It is integrated with the display device and its driving method of touch-screen | |
| CN106569626B (en) | Touch circuit, display driving circuit, touch display unit and the method for driving the touch display unit | |
| US9804714B2 (en) | Control method and device for touch display panel, and display device | |
| CN103137081B (en) | Display panel gate drive circuit and display screen | |
| CN107037927B (en) | A kind of touch-control driving method, device and electronic equipment | |
| KR20140048920A (en) | Touch display device | |
| CN103513844A (en) | Touch sensing apparatus and driving method thereof | |
| CN101261377B (en) | Liquid crystal device, method of driving liquid crystal device and electronic apparatus | |
| CN108334228B (en) | Touch screen, driving method thereof and touch device | |
| CN109471551A (en) | Touch display unit, gating drive circuit and its driving method | |
| US11379079B2 (en) | Touch drive method, touch display device, and electronic equipment | |
| CN108877731A (en) | Driving method, the display panel of display panel | |
| CN110955352B (en) | Touch panel display and control method thereof | |
| CN109300427B (en) | Line scanning control method of display control chip and storage medium | |
| CN105929994B (en) | A kind of display panel and its gesture awakening method and display device | |
| KR101904471B1 (en) | Touch sensing apparatus | |
| CN103176655A (en) | Driving method and device of touch displayer | |
| CN110955351B (en) | Touch panel control device, touch panel control method, and input display device | |
| CN109885204A (en) | Touch control display method, touch-control display control circuit and touch control display apparatus | |
| CN107578748B (en) | Display apparatus and display control method | |
| CN103456256A (en) | Image display system and touch display device | |
| CN104978068A (en) | Touch display driving method, system, display device and application processor | |
| CN113467640B (en) | Driving method and driving circuit of touch display panel and touch display device | |
| CN214504391U (en) | Liquid crystal display device and electronic apparatus | |
| CN111679762B (en) | Method for transmitting touch driving signal, touch chip and electronic equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |