CN106997249A - A kind of display panel and its fault testing method with touch controllable function - Google Patents
A kind of display panel and its fault testing method with touch controllable function Download PDFInfo
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- CN106997249A CN106997249A CN201710152903.5A CN201710152903A CN106997249A CN 106997249 A CN106997249 A CN 106997249A CN 201710152903 A CN201710152903 A CN 201710152903A CN 106997249 A CN106997249 A CN 106997249A
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- fault test
- touch control
- display panel
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
-
- 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
- G06F3/0418—Control or interface arrangements specially adapted for digitisers for error correction or compensation, e.g. based on parallax, calibration or alignment
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Position Input By Displaying (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
This application discloses a kind of display panel and its fault testing method with touch controllable function.The display panel includes multiple touch control detection circuits and fault test circuitry, wherein, fault test circuitry includes an at least de-multiplexing circuitry, the de-multiplexing circuitry receives at least fault test signal, and will selectively be transferred to different touch control detection circuits with fault test signal all the way according to the different control signals received all the way.In this way, the failure of any or any number of touch control detection circuits can not only be detected, and its short circuit problem between other touch control detection circuits can be detected, and then lifts the fault test efficiency of the display panel.
Description
Technical field
The application is related to technical field of touch control, and more particularly to a kind of display panel and its failure with touch controllable function are surveyed
Method for testing.
Background technology
Touch-control display panel is a kind of induction type display device for receiving the input signals such as contact or finger, when contacting
During graphic button on screen, the haptic feedback system on screen can drive various link devices according to the formula of preprogramming,
Mechanical push button panel is substituted for, and produces by display picture lively visual and sound effects.Touch-control display panel is made
For a kind of newest computer input apparatus, it be it is most simple at present, conveniently, a kind of natural man-machine interaction mode.It is imparted
Multimedia, with brand-new looks, is extremely attractive brand-new multimedia interactive equipment.Be mainly used in public information inquiry,
Leader's office, Industry Control, military commanding, electronic game, choosing song or selecting dish, multimedia teaching, real estate presell etc..
But due to the complex process of touch-control display panel, technology realizes that difficulty is larger, accordingly, it would be desirable in touch-control display panel
In manufacturing process, each touch control detection circuit of touch-control display panel is detected, to improve dispatching from the factory for the touch-control display panel
Yield.
But, present inventor has found in long-term research and development, in currently available technology, utilizes gridiron pattern signal
The method for detecting touch control detection circuit, can only detect the short trouble between adjacent touch control detection circuit, and can not detect non-
Short trouble between adjacent touch control detection circuit.So as to can not effectively improve the yield dispatched from the factory of touch-control display panel.
The content of the invention
The application is mainly solving the technical problems that provide a kind of display panel and its fault test with touch controllable function
Method, to realize to detection short-circuit between any touch control detection circuit and other touch control detection circuits of the display panel, and then
Improve the fault test efficiency of the display panel.
In order to solve the above technical problems, the technical scheme that the application is used is：There is provided a kind of with touch controllable function
Display panel.The display panel includes multiple touch control detection circuits and fault test circuitry, wherein the plurality of touch control detection line
Road is used to detect position of touch of the user to display panel, and the fault test circuitry includes an at least de-multiplexing circuitry, and this is demultiplexed
At least fault test signal, and will be with fault test signal all the way according to the different control signals received all the way is received with circuit
Selectivity is transferred to different touch control detection circuits.
In order to solve the above technical problems, another technical scheme that the application is used is：There is provided a kind of with touch controllable function
Display panel fault testing method.Wherein the plurality of touch control detection circuit of the display panel and fault test circuitry, are somebody's turn to do
Multiple touch control detection circuits are used to detect position of touch of the user to display panel, and the fault test circuitry is demultiplexed including at least one
With circuit, this method includes：At least fault test signal all the way is received using the de-multiplexing circuitry；According to the de-multiplexing circuitry institute
The different control signals of reception will selectively be transferred to different touch control detection circuits with fault test signal all the way；Detect failure
Between touch control detection circuit and the touch control detection circuit of other non-transmission fault test signals that test signal is transferred to whether
In the presence of short circuit.
The beneficial effect of the embodiment of the present application is：Prior art is different from, the embodiment of the present application display panel includes multiple
Touch control detection circuit and fault test circuitry, plurality of touch control detection circuit are used to detect touch-control of the user to display panel
Position, fault test circuitry includes an at least de-multiplexing circuitry, and the de-multiplexing circuitry receives at least fault test signal all the way, and
Different touch control detection circuits will be selectively transferred to according to the different control signals received with fault test signal all the way.It is logical
Cross this mode, fault detection signals can be provided to any or any number of fault detect circuits, can not only detect it is any or
The failure of any number of touch control detection circuits, and can detect short between any touch control detection circuit and other touch control detection circuits
Road problem, and then lift the fault test efficiency of the display panel.
Brief description of the drawings
Fig. 1 is the structural representation for the embodiment of display panel one that the application has touch controllable function；
Fig. 2 is the structural representation of the physical circuit of Fig. 1 embodiments one；
Fig. 3 is the structural representation of another physical circuit of Fig. 1 embodiments；
Fig. 4 is the structural representation of the another physical circuit of Fig. 1 embodiments；
Fig. 5 is the schematic flow sheet of the fault testing method for the display panel that the application has touch controllable function；
Fig. 6 is the idiographic flow schematic diagram of step 502 in Fig. 5 embodiments；
Fig. 7 is the result schematic diagram to the display panel detection with touch controllable function using Fig. 5 and Fig. 6 embodiments.
Embodiment
Refering to Fig. 1, Fig. 1 is the structural representation for the embodiment of display panel one that the application has touch controllable function.This implementation
Example includes：Multiple touch control detection circuits 101 and fault test circuitry 102, wherein, multiple touch control detection circuits 101 are used to examine
Position of touch of the user to display panel is surveyed, fault test circuitry 102 includes at least a de-multiplexing circuitry 103, de-multiplexing circuitry
103 receive at least fault test signal, and being selected according to the different control signals received with fault test signal all the way all the way
Selecting property is transferred to different touch control detection circuits 101.
It should be noted that being separate between each touch control detection circuit, that is, receive and show fault test signal phase
It is mutually independent.
It is different from prior art, the de-multiplexing circuitry 102 of the present embodiment can will be with all the way according to different control signals
Fault test signal selectivity be output to different touch control detection circuits 101, i.e., to any or any number of touch control detection lines
Road 101 provides fault detection signal, can not only detect the failure of any or any number of touch control detection circuits 101, Er Qieneng
The short circuit problem between any touch control detection circuit 101 and other detection circuits 101 is enough detected, and then lifts the event of the display panel
Hinder testing efficiency.
Alternatively, in the present embodiment, when the control signal that de-multiplexing circuitry is received is different, de-multiplexing circuitry 103 will
It is different with the touch control detection circuit that fault test signal is transferred to all the way.
Alternatively, refering to Fig. 2, Fig. 2 is the structural representation of the physical circuit of Fig. 1 embodiments one.The demultiplexing of the present embodiment
Circuit 201 includes at least two-stage subsolution multiplex circuit 202 and 203 that cascade is set, wherein, the subsolution multiplexing electricity of each upper level
The subsolution multiplex circuit 203 of the multiple next stage of the correspondence connection of road 202, and according to the different control signal (control signals received
There is provided by control line 205) the same fault test signal all the way (fault test signal is provided by p-wire 206) received is selected
Property is transferred to the subsolution multiplex circuit 203 of different next stage, and afterbody subsolution multiplex circuit 203 according to being received
The same fault test signal all the way received is selectively transferred to different touch control detection circuits 204 by different control signals.
Be different from prior art, at least two-stage subsolution multiplex circuit 202,203 that the cascade of the present embodiment is set respectively by
The control of one group of control signal, will be transferred to different touch control detection circuits 204 with fault test signal all the way, this mode,
Can be in the case where not increasing control line 205 so that fault test circuitry 201 being capable of connection touch control detection line as much as possible
Road 204, so as to simplify fault test circuitry 201, and then provides technical support for the thickness for reducing the display panel.
Alternatively, each subsolution multiplex circuit 202 or 203 of the present embodiment includes multiple switch 207 or 208 respectively, its
In in same subsolution multiplex circuit 202 or 203, the input of multiple switch 207 or 208 be connected to each other and receive with all the way therefore
Hinder test signal, the control end of multiple switch 207 or 208 is connected respectively different control circuits, with by different
Apply control signal in control circuit and make it that corresponding switch 207 or 208 is turned on, the output end of multiple switch 207 connects respectively
Connect the input of the multiple switch 208 in the subsolution multiplex circuit 203 of corresponding next stage, and the subsolution multiplexing electricity of afterbody
The output end of multiple switch 208 in road 203 connects corresponding touch control detection circuit 204 respectively.
Alternatively, the switch being correspondingly arranged in the different subsolution multiplex circuits 202 or 203 of the same one-level of the present embodiment
207 or 208 control end connects same control circuit, and then is caused same by applying control signal in same control circuit
The switch 207 or 208 being correspondingly arranged of the different subsolution multiplex circuits 202 or 203 of one-level is simultaneously turned on.That is same one-level
Different subsolution multiplex circuits 202 or 203 have identical circuit structure and the connected mode with control circuit 205.
Certainly, (Fig. 3 is referred to, Fig. 3 is the structural representation of another physical circuit of Fig. 1 embodiments) in other embodiments,
Upper level de-multiplexing circuitry includes 2 de-multiplexing circuitries 301, can use opening for being correspondingly arranged in two de-multiplexing circuitries 301
The control end of pass 302,303 is connected to the control of all switches of different control circuits 304, i.e. upper level de-multiplexing circuitry 301
End processed all connects different control lines.Relative to the circuit structure of Fig. 2 embodiments, this connected mode is to increase control line way
Measure as cost, exchange more flexible circuit control for, because a control signal only controls a switch, so that the control to switch
System is more flexible.
Being correspondingly arranged in above-described embodiment is construed as：Arrangement position in the different de-multiplexing circuitries of same one-level
And/or order is identical.
Certainly, the particular circuit configurations of every one-level de-multiplexing circuitry of the embodiment of the present application are implemented using Fig. 2 or Fig. 3
The attachment structure of example, or using other attachment structures, specifically should depending on the design requirement according to display panel fault detect,
Here it is not specifically limited.
In an application scenarios, switch in above-described embodiment for thin film transistor (TFT) (Thin Film Transistor,
TFT).Wherein, the control end of the TFT above-mentioned switch of grid correspondence, one of TFT drain electrode and source electrode are defeated to what should be switched
Enter end, and the other of TFT drain electrode and source electrode correspond to the output end of the switch.Specific connection and operation principle are no longer weighed
It is multiple.Certainly, in other application scene, other switch in place TFT, such as field-effect transistor (Field can also be used
Effect Transistor, TFT).
Alternatively, multiple touch control detection circuits of above-described embodiment are multiple on display panel to be arranged in array way
The output end of multiple switch in the subsolution multiplex circuit of touch control detection pad, wherein afterbody connects corresponding touch-control inspection respectively
Survey pad.Certainly, in other embodiments, embedded technology can be used to be embedded in touch control detection circuit in modes such as array arrangements aobvious
Show in panel.
Alternatively, refering to Fig. 4, Fig. 4 is the structural representation of the another physical circuit of Fig. 1 embodiments.The present embodiment is demultiplexed
It is to include at least one first subsolution multiplex circuit 402 and multiple second subsolution multiplex circuits that cascade is set with circuit 401
Two grades of subsolution multiplex circuits 403.The de-multiplexing circuitry 401 of the present embodiment, the first subsolution multiplex circuit 402, two grades of subsolution multiplexings
The de-multiplexing circuitry respectively with above-described embodiment of circuit 403, upper level de-multiplexing circuitry, the structure of next stage de-multiplexing circuitry,
Operation principle and the connected mode all same with periphery, here without repeating.
The embodiment of the present application can also be by increasing the corresponding next stage de-multiplexing circuitry of each upper level de-multiplexing circuitry
Quantity more connect touch control detection circuit, with the peripheral thickness of relative reduction display panel.
Below by taking Fig. 4 embodiments as an example, fault detect line work principle is described in detail.Fault test signal by
P-wire 404 is supplied to the first subsolution multiplex circuit 402, and the first subsolution multiplex circuit 402 is in the control provided by control circuit 405
The fault test signal is transferred to two grades of subsolution multiplex circuits 403 under the control of signal processed, two grades of subsolution multiplex circuits 403 exist
The fault test signal is transferred to touch control detection circuit 407 under the control of the control signal provided by control circuit 406.Specifically
, when first control circuit of control circuit 405 has control signal, the control signal controls the first subsolution multiplex circuit
402 first switch 408 is turned on, and the fault detection signal is transferred to two grades of subsolution multiplex circuits 403 through switch 408, now,
If the Article 2 control circuit of control circuit 407 has control signal, the control signal is by the second of two grades of subsolution multiplex circuits 403
Switch 409 is turned on, and the fault detection signal exports the touch control detection circuit 5 to event touch control detection circuit 407 by switch 409.
Refering to Fig. 5, Fig. 5 is the schematic flow sheet of the fault testing method for the display panel that the application has touch controllable function.
Wherein, the display panel includes multiple touch control detection circuits and fault test circuitry, and multiple touch control detection circuits are used to detect
User includes an at least de-multiplexing circuitry, the specific knot of the display panel to the position of touch of display panel, fault test circuitry
Structure and operation principle have carried out detailed narration in said apparatus embodiment, are not repeated here.The present embodiment
Specific steps include：
Step 501：At least fault test signal all the way is received using de-multiplexing circuitry.
Step 502：The different control signals received according to de-multiplexing circuitry will be with the selectivity of fault test signal all the way
It is transferred to different touch control detection circuits.
Step 503：The touch control detection circuit that detection fault test signal is transferred to is believed with other non-transmission fault tests
Number touch control detection circuit between with the presence or absence of short circuit.
Alternatively, multiple touch control detection circuits of the present embodiment are multiple tactile on display panel to be arranged in array way
Detecting pad is controlled, certainly, in other embodiments, can use embedded technology that touch control detection circuit is embedding in modes such as array arrangements
Enter in display panel.The touch control detection circuit that is transferred to of detection fault test signal and other non-transmission fault test signals and
With the presence or absence of short circuit between the touch control detection circuit of non-adjacent setting.Specific Cleaning Principle is in said apparatus embodiment
Detailed narration has been carried out, has not been repeated here.
Alternatively, refering to Fig. 6, Fig. 6 is the idiographic flow schematic diagram of step 502 in Fig. 5 embodiments.Wherein, the demultiplexing
Circuit includes at least two-stage subsolution multiplex circuit that cascade is set, under the subsolution multiplex circuit correspondence connection of each upper level is multiple
The subsolution multiplex circuit of one-level.The concrete structure and operation principle of the de-multiplexing circuitry are carried out in said apparatus embodiment
Detailed narration, is not repeated here.The specific steps of the present embodiment include：
Step 601：The subsolution of upper level is answered according to the different control signals that the subsolution multiplex circuit of upper level is received
The same fault test signal all the way received with circuit is selectively transferred to the subsolution multiplex circuit of different next stage.
Step 602：The different control signals received according to the subsolution multiplex circuit of afterbody are by the son of afterbody
The same fault test signal all the way that de-multiplexing circuitry is received selectively is transferred to different touch control detection circuits.
Refering to Fig. 7, Fig. 7 is that the result of the display panel detection with touch controllable function is illustrated using Fig. 5 and Fig. 6 embodiments
Figure.The input fault test signal (as shown in Figure 7a) of touch control detection circuit 10 is given by failure detector circuit, if detection touch-control inspection
There is no fault detection signal in faulty detection signal in survey line road 10, and other touch control detection circuit 1-9,11-16, then judge
The fault-free of touch control detection circuit 10, and its no short circuit between other touch control detection circuit 1-9,11-16；If detecting touch control detection
There is no fault detection signal in circuit 10, then judge that touch control detection circuit 10 has failure；If detect touch control detection circuit 3,6,
16 faulty detection signals (as shown in Figure 7b), then judge touch control detection circuit 10 and touch control detection circuit 3 and/or 6 and/or 16
Between there is short circuit, which and the short circuit of touch control detection circuit 10 need to be further determined that in touch control detection circuit 3,6,16 certainly, can be entered
One step controls touch control detection circuit 3 and/or 6 and/or 16 input faults detection signal, and is detected.Understand, the present embodiment is not
It can only detect the failure of of touch control detection circuit 10 itself, and can detect between its touch control detection pad 6 adjacent thereto and it
Short circuit problem between non-conterminous touch control detection pad 3,16.
Prior art is different from, the present embodiment is using de-multiplexing circuitry according to control signal to any or any number of touch-controls
Detect that circuit provides fault detection signal, the failure of any or any number of touch control detection circuits can not only be detected, and
The short circuit problem between any or any number of touch control detection circuits and other detection circuits can be detected, and then lifts the display
The fault detection efficiency of panel.
Presently filed embodiment is the foregoing is only, the scope of the claims of the application is not thereby limited, it is every to utilize this
Equivalent structure or equivalent flow conversion that application specification and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, is similarly included in the scope of patent protection of the application.
Claims (10)
1. a kind of display panel with touch controllable function, it is characterised in that the display panel includes multiple touch control detection circuits
And fault test circuitry, wherein the multiple touch control detection circuit is used to detect touch-control position of the user to the display panel
Put, the fault test circuitry includes an at least de-multiplexing circuitry, and at least fault test is believed all the way for the de-multiplexing circuitry reception
Number, and will selectively be transferred to different described touch with fault test signal described all the way according to the different control signals received
Control detection circuit.
2. display panel according to claim 1, it is characterised in that the control signal received in the de-multiplexing circuitry
When different, the de-multiplexing circuitry will be described different with the touch control detection circuit that fault test signal is transferred to all the way.
3. display panel according to claim 1, it is characterised in that the de-multiplexing circuitry includes cascade and set at least
Two-stage subsolution multiplex circuit, wherein, the son of the multiple next stage of subsolution multiplex circuit correspondence connection of each upper level
De-multiplexing circuitry, and it is described with the selectively biography of fault test signal all the way by what is received according to the different control signals received
The defeated subsolution multiplex circuit to different next stage, and afterbody the subsolution multiplex circuit according to being received not
The same fault test signal all the way received is selectively transferred to the different touch control detection circuits with control signal.
4. display panel according to claim 3, it is characterised in that each subsolution multiplex circuit includes multiple respectively
Switch, wherein in the same subsolution multiplex circuit, the input of the multiple switch is connected to each other and receives described same
Road fault test signal, the control end of the multiple switch is connected respectively different control circuits, with by different
Apply control signal in the control circuit and cause the corresponding switch conduction, the output end of the multiple switch connects respectively
Connect the input of the multiple switch in the subsolution multiplex circuit of corresponding next stage, and the subsolution of afterbody
The output end of the multiple switch in multiplex circuit connects the corresponding touch control detection circuit respectively.
5. display panel according to claim 4, it is characterised in that with the different subsolution multiplex circuits of one-level
The control end for the switch being correspondingly arranged connects same control circuit, and then is controlled by applying in the same control circuit
Signal processed and to simultaneously turn on the switches being correspondingly arranged of the different subsolution multiplex circuits of one-level.
6. display panel according to claim 4, it is characterised in that the de-multiplexing circuitry is to include cascade to set extremely
Two grades of subsolution multiplex circuits of a few first subsolution multiplex circuit and multiple second subsolution multiplex circuits.
7. display panel according to claim 4, it is characterised in that the multiple touch control detection circuit is with array way
Multiple touch control detection pads on the display panel are arranged in, it is wherein described many in the subsolution multiplex circuit of afterbody
The output end of individual switch connects the corresponding touch control detection pad respectively.
8. a kind of fault testing method of the display panel with touch controllable function, wherein the display panel is examined including multiple touch-controls
Survey line road and fault test circuitry, the multiple touch control detection circuit are used to detect touch-control position of the user to the display panel
Put, the fault test circuitry includes an at least de-multiplexing circuitry, it is characterised in that methods described includes：
At least fault test signal all the way is received using the de-multiplexing circuitry；
The different control signals received according to the de-multiplexing circuitry will selectively be transmitted with the fault test signal all the way
To the different touch control detection circuits；
Detect that the touch control detection circuit that the fault test signal is transferred to does not transmit the fault test letter with other
Number the touch control detection circuit between with the presence or absence of short circuit.
9. method according to claim 8, it is characterised in that the de-multiplexing circuitry includes at least two-stage that cascade is set
Subsolution multiplex circuit, the subsolution multiplexing electricity of the multiple next stage of subsolution multiplex circuit correspondence connection of each upper level
Road；
The different control signals received according to the de-multiplexing circuitry will be with the fault test signal selectivity all the way
The step of being transferred to the different touch control detection circuits includes：
The subsolution of upper level is multiplexed electricity by the different control signals received according to the subsolution multiplex circuit of upper level
The subsolution multiplex circuit that different next stage are selectively transferred to fault test signal all the way that road is received；
The subsolution of afterbody is answered according to the different control signals that the subsolution multiplex circuit of afterbody is received
The same fault test signal all the way received with circuit is selectively transferred to the different touch control detection circuits.
10. method according to claim 8, it is characterised in that the multiple touch control detection circuit is to be arranged with array way
It is distributed in multiple touch control detection pads on the display panel；
The touch control detection circuit that the detection fault test signal is transferred to does not transmit the failure with other to be surveyed
Step between the touch control detection circuit of trial signal with the presence or absence of short circuit includes：
Detect that the touch control detection circuit that the fault test signal is transferred to does not transmit the fault test letter with other
Number and the touch control detection circuit of non-adjacent setting between with the presence or absence of short circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710152903.5A CN106997249B (en) | 2017-03-15 | 2017-03-15 | Display panel with touch function and fault testing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710152903.5A CN106997249B (en) | 2017-03-15 | 2017-03-15 | Display panel with touch function and fault testing method thereof |
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| CN106997249B CN106997249B (en) | 2020-02-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061371A (en) * | 2018-09-11 | 2018-12-21 | 京东方科技集团股份有限公司 | Touch control display apparatus, touch-control display panel and its detection circuit |
| CN113535003A (en) * | 2021-07-30 | 2021-10-22 | 武汉华星光电半导体显示技术有限公司 | Display panel |
| CN114546152A (en) * | 2021-11-15 | 2022-05-27 | 合肥维信诺科技有限公司 | Touch display panel and detection method thereof |
| WO2023103068A1 (en) * | 2021-12-12 | 2023-06-15 | 武汉华星光电半导体显示技术有限公司 | Touch display panel and electronic device |
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| CN114546152A (en) * | 2021-11-15 | 2022-05-27 | 合肥维信诺科技有限公司 | Touch display panel and detection method thereof |
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