CN113485556A - Display device and tactile feedback method thereof - Google Patents

Display device and tactile feedback method thereof Download PDF

Info

Publication number
CN113485556A
CN113485556A CN202110814241.XA CN202110814241A CN113485556A CN 113485556 A CN113485556 A CN 113485556A CN 202110814241 A CN202110814241 A CN 202110814241A CN 113485556 A CN113485556 A CN 113485556A
Authority
CN
China
Prior art keywords
touch
touch electrodes
electrodes
driving signal
haptic feedback
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
Application number
CN202110814241.XA
Other languages
Chinese (zh)
Other versions
CN113485556B (en
Inventor
李园园
薄赜文
郑美珠
项大林
王九镇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BOE Technology Group Co Ltd
Original Assignee
BOE Technology Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BOE Technology Group Co Ltd filed Critical BOE Technology Group Co Ltd
Priority to CN202110814241.XA priority Critical patent/CN113485556B/en
Publication of CN113485556A publication Critical patent/CN113485556A/en
Application granted granted Critical
Publication of CN113485556B publication Critical patent/CN113485556B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/016—Input arrangements with force or tactile feedback as computer generated output to the user
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416—Control or interface arrangements specially adapted for digitisers
    • G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate

Abstract

The present disclosure provides a haptic feedback method of a display device, the display device including: the display panel comprises a display panel and a tactile feedback assembly, wherein the tactile feedback assembly is arranged on the display surface side of the display panel and comprises a plurality of sensing electrodes and a plurality of touch electrodes which are arranged in a crossed mode; the method comprises the following steps: in response to the position information of the touch area determined by the plurality of sensing electrodes, inputting a first driving signal to all first touch electrodes in the plurality of touch electrodes to drive a tactile feedback assembly to generate tactile feedback in the touch area, wherein the first touch electrodes are at least partially overlapped with the touch area; and generating a second driving signal based on the first driving signal, and inputting the second driving signal to at least part of second touch electrodes in the plurality of touch electrodes, wherein the second touch electrodes are not overlapped with the touch area. The present disclosure also provides a display device.

Description

Display device and tactile feedback method thereof
Technical Field
The present disclosure relates to the field of touch display technologies, and in particular, to a display device and a haptic feedback method thereof.
Background
With the continuous development of touch display technology, touch operation has penetrated the aspects of people's life, and numerous electronic products have supported touch and tactile feedback functions. At the present stage, when the device for displaying and tactile feedback performs tactile feedback, the tactile feedback side of the device can perform high-voltage driving on a channel corresponding to a touch position, so that a screen of a display side flickers, and a serious screen flickering problem occurs.
Disclosure of Invention
The present disclosure is directed to at least one of the technical problems of the prior art, and provides a display device and a haptic feedback method thereof.
To achieve the above object, in a first aspect, the embodiments of the present disclosure provide a haptic feedback method for a display device, where the display device includes: the touch control device comprises a display panel and a tactile feedback assembly, wherein the tactile feedback assembly is arranged on the display surface side of the display panel and comprises a plurality of sensing electrodes and a plurality of touch control electrodes which are arranged in a crossed mode; the method comprises the following steps:
inputting a first driving signal to all first touch electrodes of the plurality of touch electrodes in response to position information of a touch area determined by the plurality of sensing electrodes to drive the tactile feedback assembly to generate tactile feedback in the touch area, wherein the first touch electrodes are at least partially overlapped with the touch area;
generating a second driving signal based on the first driving signal, and inputting the second driving signal to at least some of the plurality of touch electrodes, wherein the second touch electrodes are not coincident with the touch area.
In some embodiments, the second drive signal is opposite in phase to the first drive signal.
In some embodiments, the inputting the second driving signal to at least some second touch electrodes of the plurality of touch electrodes includes:
and inputting the second driving signal to a plurality of second touch electrodes which are sequentially arranged, wherein the number of the plurality of second touch electrodes is the same as that of all the first touch electrodes, and one of the plurality of second touch electrodes is adjacent to one of all the first touch electrodes.
In some embodiments, the inputting the second driving signal to at least some second touch electrodes of the plurality of touch electrodes includes:
and inputting the second driving signal to a plurality of second touch electrodes which are sequentially arranged, wherein the number of the plurality of second touch electrodes is the same as that of all the first touch electrodes, and the plurality of second touch electrodes are separated from all the first touch electrodes by at least one second touch electrode.
In some embodiments, said generating a second drive signal based on said first drive signal comprises:
determining a phase difference corresponding to each of the at least part of second touch electrodes according to the number of electrodes separated from the first touch electrode closest to the second touch electrode;
generating, based on the first drive signal, the second drive signal corresponding to each of the at least some second touch electrodes according to the determined phase difference.
In some embodiments, generating the second drive signal corresponding to each of the at least some second touch electrodes from the determined phase difference based on the first drive signal comprises:
generating the second driving signal corresponding to each of the at least some second touch electrodes according to the determined phase difference and a preset amplitude difference based on the first driving signal.
In some embodiments, the method further comprises:
and inputting scanning signals to the plurality of sensing electrodes line by line according to a preset scanning period, and determining the position information of the touch area according to the output signals of the sensing electrodes.
In some embodiments, the method further comprises:
and obtaining gray value information of the corresponding position of the touch area in the image currently displayed by the display panel, and determining the frequency and amplitude of the second driving signal according to a preset corresponding relation.
In a second aspect, embodiments of the present disclosure also provide a display device, which includes:
a display panel;
a haptic feedback assembly disposed on a display surface side of the display panel, the haptic feedback assembly including a plurality of sensing electrodes and a plurality of touch electrodes disposed to cross each other;
a tactile feedback driving module, configured to input a first driving signal to all first touch electrodes of the plurality of touch electrodes in response to position information of a touch area determined by the plurality of sensing electrodes, so as to drive the tactile feedback assembly to generate tactile feedback in the touch area, where the first touch electrodes at least partially coincide with the touch area; and generating a second driving signal based on the first driving signal, and inputting the second driving signal to at least some of the plurality of touch electrodes, wherein the second touch electrodes are not coincident with the touch area.
In some embodiments, the display panel includes an encapsulation layer, a light emitting layer and a substrate which are sequentially stacked;
the haptic feedback assembly further comprises a glass substrate and a transparent protective layer; the sensing electrodes and the touch electrodes are respectively arranged on two sides of the glass substrate, and the transparent protective layer is arranged on one side, deviating from the glass substrate, of the sensing electrodes.
In some embodiments, the apparatus further comprises:
and the tactile feedback conversion module is used for acquiring the gray value information of the corresponding position of the touch area in the image currently displayed by the display panel and determining the frequency and the amplitude of the second driving signal according to a preset corresponding relation.
Drawings
The accompanying drawings are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the principles of the disclosure and not to limit the disclosure. The above and other features and advantages will become more apparent to those skilled in the art by describing in detail exemplary embodiments thereof with reference to the attached drawings, in which:
fig. 1 is a schematic structural diagram of a display device according to an embodiment of the disclosure;
FIG. 2 is a schematic diagram of a display panel and a haptic feedback assembly according to an embodiment of the present disclosure;
FIG. 3 is a flow chart of a haptic feedback method provided by an embodiment of the present disclosure;
FIG. 4 is a schematic plan view of a haptic feedback assembly provided by an embodiment of the present disclosure;
FIG. 5 is a flowchart illustrating a method of step S2 according to an embodiment of the present disclosure;
fig. 6 is a flowchart illustrating another specific implementation method of step S2 in the embodiment of the present disclosure.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present disclosure, the display device and the tactile feedback method thereof provided by the present disclosure are described in detail below with reference to the accompanying drawings.
Example embodiments will be described more fully hereinafter with reference to the accompanying drawings, but which may be embodied in different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It will be understood that, although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. Thus, a first element, component, or module discussed below could be termed a second element, component, or module without departing from the teachings of the present disclosure.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and the present disclosure, and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Fig. 1 is a schematic structural diagram of a display device according to an embodiment of the present disclosure. As shown in fig. 1, the display device includes: a display panel 1, a haptic feedback assembly 2 and a haptic feedback driver module 3.
The tactile feedback device 2 is disposed on the display surface side of the display panel 1, and the tactile feedback device 2 includes a plurality of sensing electrodes and a plurality of touch electrodes disposed in a crossing manner.
A haptic feedback driving module 3 configured to input a first driving signal to all first touch electrodes of the plurality of touch electrodes in response to position information of a touch area determined by the plurality of sensing electrodes to drive the haptic feedback assembly 2 to generate electrostatic haptic feedback within the touch area, wherein the first touch electrodes are at least partially overlapped with the touch area; and generating a second driving signal based on the first driving signal, and inputting the second driving signal to at least part of second touch electrodes in the plurality of touch electrodes, wherein the second touch electrodes are not overlapped with the touch area.
In some embodiments, as shown, the apparatus further comprises: and the tactile feedback conversion module 4 is configured to acquire gray value information of a corresponding position of the touch area in the image currently displayed on the display panel 1, and determine the frequency and the amplitude of the first driving signal according to a preset corresponding relationship.
Fig. 2 is a schematic structural diagram of a display panel and a haptic feedback assembly provided in an embodiment of the present disclosure. In particular, it shows the relationship between the levels in the display panel 1 and the haptic feedback assembly 2, which is an embodiment alternative based on the display device shown in fig. 1. As shown in fig. 2, the display panel 1 includes an encapsulation layer 101, a light emitting layer 102, and a substrate 103, which are sequentially stacked, and the haptic feedback assembly 2 includes a sensing electrode layer 202 composed of a plurality of sensing electrodes, a touch electrode layer 204 composed of a plurality of touch electrodes, a glass substrate 203, and a transparent protection layer 201.
The sensing electrodes and the touch electrodes are respectively disposed on two sides of the glass substrate 203, that is, as shown in the figure, the sensing electrode layer 202 and the touch electrode layer 204 are respectively disposed on two sides of the glass substrate 203, and the glass substrate 203 is used as an insulating structure therebetween; the transparent protection layer 201 is disposed on a side of the sensing electrodes away from the glass substrate 203, that is, as shown in the figure, the transparent protection layer 201 is disposed on a side of the sensing electrode layer 202 away from the glass substrate 203, and the touch object acts on the transparent protection layer 201.
In some embodiments, as shown in the figure, a polarizer 205 is further disposed between the touch electrode layer 204 and the glass substrate 203, and may be bonded to the glass substrate 203 through an optical adhesive.
In some embodiments, the plurality of touch electrodes in the touch electrode layer 204 may be disposed on the encapsulation layer 101 based on a corresponding patterning process, or in some embodiments, the encapsulation layer 101 and the touch electrode layer 204 are bonded by a thin adhesive material.
In some embodiments, the display panel is an Organic Light-Emitting Diode (OLED) display panel or an active matrix OLED display panel (AMOLED); in some embodiments, the light emitting layer 102 is located between an anode (not shown) and a cathode (not shown), and the light emitting layer may include: hole injection layer, hole transport layer, electroluminescent layer, electron injection layer, electron transport layer, and the like.
Fig. 3 is a flowchart of a haptic feedback method according to an embodiment of the present disclosure. The touch sensing device is particularly applied to a display device, and the display device comprises a display panel and a tactile feedback assembly, wherein the tactile feedback assembly is arranged on the display surface side of the display panel, and comprises a plurality of sensing electrodes and a plurality of touch electrodes which are arranged in a crossed mode; as shown in fig. 3, the method includes: step S1 and step S2.
Step S1, in response to the position information of the touch area determined by the plurality of sensing electrodes, inputs a first driving signal to all first touch electrodes of the plurality of touch electrodes.
In step S1, inputting a first driving signal to all first touch electrodes of the plurality of touch electrodes to drive the haptic feedback component to generate haptic feedback in the touch area; the first touch electrode is at least partially overlapped with the touch area.
In some embodiments, the scanning signals are input to the plurality of sensing electrodes line by line according to a preset scanning period, and the position information of the touch area is determined according to the output signals of the sensing electrodes. Thereby determining position information of the touch area through the plurality of sensing electrodes. In some embodiments, the first driving signal is a high voltage driving signal and the scan signal is a low voltage driving signal.
In some embodiments, gray value information of a corresponding position of a touch area in an image currently displayed on a display panel is obtained, and a frequency and an amplitude of a first driving signal are determined according to a preset corresponding relationship, wherein the first driving signal generated based on the corresponding relationship is used for performing touch feedback driving, so that a touch object (such as a finger and the like) can sense image information such as texture and outline corresponding to the touch area.
Step S2 is generating a second driving signal based on the first driving signal, and inputting the second driving signal to at least some of the plurality of touch electrodes.
The second touch electrode is not overlapped with the touch area.
In some embodiments, the inputting of the second driving signal to at least some of the plurality of touch electrodes may include inputting the second driving signal to one touch electrode, inputting the second driving signal to each of the plurality of touch electrodes, inputting the second driving signal corresponding to each of the plurality of touch electrodes, and inputting the second driving signal to all of the plurality of touch electrodes except the first touch electrode; in some embodiments, the second touch electrodes to which the second driving signal is input may be determined from all the second touch electrodes by pre-configuring fixed electrodes, dynamically determining the position of the first touch electrode, and the like.
Specifically, the first touch electrode corresponding to the touch area is subjected to touch feedback driving, and particularly, the first driving signal is a high-voltage driving signal, and in the existing scheme, the high-voltage driving signal may cause a power supply voltage (ELVSS) of the display panel and the display device to jump, so that a screen flickers.
The embodiment of the disclosure provides a touch feedback method of a display device, which can be used for inputting a first driving signal to a first touch electrode and inputting a second driving signal to an electrode which is at least partially not overlapped with a touch area, so that the influence of the first driving signal on a power supply voltage can be reduced, and the problem of screen flicker is avoided.
Fig. 4 is a schematic plan view of a haptic feedback assembly provided in an embodiment of the present disclosure. Specifically, it shows the arrangement relationship of the multiple sensing electrodes and the multiple touch electrodes in the above-mentioned haptic feedback assembly; as shown in fig. 4, the plurality of sensing electrodes 6 and the plurality of touch electrodes 5 are arranged in a crossing manner, wherein the plurality of sensing electrodes 6 are sequentially arranged along the AA ' direction, and the plurality of touch electrodes 5 are sequentially arranged along the BB ' direction perpendicular to the AA ' direction. When a touch object acts on the touch feedback assembly, the position of the touch area 7 can be determined by the plurality of sensing electrodes 6, specifically, the position information of the touch area 7 can be determined by monitoring the capacitance change of the plurality of sensing electrodes 6 to determine the corresponding sensing electrode 6, or the position of the intersection point of the sensing electrode 6 covered by the touch area 7 and the touch electrode 5 can be determined based on the corresponding potential change and the like to determine the position information of the touch area 7.
Fig. 5 is a flowchart illustrating a specific implementation method of step S2 in the embodiment of the present disclosure. Specifically, the phase of the second driving signal is opposite to that of the first driving signal, that is, the second driving signal is an inverted signal of the first driving signal; as shown in fig. 5, in step S2, the step of inputting the second driving signal to at least some of the second touch electrodes of the plurality of touch electrodes includes: step S203.
Step S203, inputting a second driving signal to the plurality of second touch electrodes arranged in sequence.
In some embodiments, the number of the plurality of second touch electrodes is the same as the number of all the first touch electrodes, and one of the plurality of second touch electrodes is adjacent to one of all the first touch electrodes, i.e., a second driving signal is input to the plurality of second touch electrodes located at one side of all the first touch electrodes.
Or, in some embodiments, the number of the second touch electrodes is the same as the number of all the first touch electrodes, and the second touch electrodes are separated from all the first touch electrodes by at least one second touch electrode, that is, a second driving signal is input to the second touch electrodes located at one side of all the first touch electrodes and separated by at least one electrode.
In some embodiments, for a case that there are multiple touch areas, the multiple second touch electrodes corresponding to each touch area may be respectively determined according to the first touch electrode corresponding to each touch area, or a group of multiple second touch electrodes arranged in sequence may be determined according to the first touch electrodes corresponding to the multiple touch areas.
Fig. 6 is a flowchart illustrating another specific implementation method of step S2 in the embodiment of the present disclosure. As shown in fig. 6, the step of generating the second driving signal based on the first driving signal in step S2 includes: step S201 and step S202.
Step S201, determining a phase difference corresponding to each of at least some of the second touch electrodes according to the number of electrodes spaced between each of at least some of the second touch electrodes and its closest first touch electrode.
And determining the phase difference corresponding to each of the second touch electrodes to be input with the second driving signal according to the number of electrodes which are separated from the first touch electrodes closest to the second touch electrodes. Wherein, the phase difference is in direct proportion to the number of the electrodes; in some embodiments, the determined phase difference has a value range greater than 0 and less than or equal to pi/2; in some embodiments, each of at least some of the second touch electrodes is adjacent to the other, and at least some of the second touch electrodes are entirely adjacent to all of the first touch electrodes, so that the phase differences corresponding to the second touch electrodes may be distributed in an arithmetic progression.
Step S202, based on the first driving signal, generating a second driving signal corresponding to each of at least some of the second touch electrodes according to the determined phase difference.
And respectively performing phase shift processing according to the determined phase difference based on the first driving signals to generate a plurality of driving signals and respectively sending the driving signals to the corresponding second touch electrodes.
In some embodiments, the step S202 of generating, based on the first driving signal, a second driving signal corresponding to each of at least some of the second touch electrodes according to the determined phase difference includes: and generating a second driving signal corresponding to each of at least part of the second touch electrodes according to the determined phase difference and a preset amplitude difference based on the first driving signal. In some embodiments, the scheme of generating the second drive signal according to the amplitude difference may also be implemented independently; in some embodiments, the amplitude difference between the second driving signal and the first driving signal is greater than 0 and less than or equal to one half of the maximum amplitude of the first driving signal; in some embodiments, for the amplitude condition of the second driving signal, the maximum amplitude corresponding to the first driving signal and the smaller amplitude obtained by subtracting the amplitude difference from the maximum amplitude alternately appear.
The embodiment of the present disclosure provides a tactile feedback method for a display device, which may be used to input an inverse signal of a first driving signal to a plurality of second touch electrodes, which are sequentially arranged adjacent to or spaced apart from a first touch electrode, while inputting the first driving signal to the first touch electrode; or the phase difference is determined according to the number of electrodes which are separated from the first touch control electrode, and based on the first driving signal, a second driving signal is generated according to the phase difference and the like and is sent to the corresponding second touch control electrode; therefore, the interference effect of the first driving signal on the display panel is reduced, and the problem of screen flashing is avoided.
It will be understood by those of ordinary skill in the art that all or some of the steps of the methods disclosed above, functional modules/units in the apparatus, may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
Example embodiments have been disclosed herein, and although specific terms are employed, they are used and should be interpreted in a generic and descriptive sense only and not for purposes of limitation. In some instances, features, characteristics and/or elements described in connection with a particular embodiment may be used alone or in combination with features, characteristics and/or elements described in connection with other embodiments, unless expressly stated otherwise, as would be apparent to one skilled in the art. Accordingly, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the disclosure as set forth in the appended claims.

Claims (11)

1. A haptic feedback method of a display device, the display device comprising: the touch control device comprises a display panel and a tactile feedback assembly, wherein the tactile feedback assembly is arranged on the display surface side of the display panel and comprises a plurality of sensing electrodes and a plurality of touch control electrodes which are arranged in a crossed mode; the method comprises the following steps:
inputting a first driving signal to all first touch electrodes of the plurality of touch electrodes in response to position information of a touch area determined by the plurality of sensing electrodes to drive the tactile feedback assembly to generate electrostatic tactile feedback in the touch area, wherein the first touch electrodes are at least partially overlapped with the touch area;
generating a second driving signal based on the first driving signal, and inputting the second driving signal to at least some of the plurality of touch electrodes, wherein the second touch electrodes are not coincident with the touch area.
2. The haptic feedback method of claim 1, wherein the second drive signal is opposite in phase to the first drive signal.
3. The haptic feedback method of claim 2, wherein the inputting the second drive signal to at least some second touch electrodes of the plurality of touch electrodes comprises:
and inputting the second driving signal to a plurality of second touch electrodes which are sequentially arranged, wherein the number of the plurality of second touch electrodes is the same as that of all the first touch electrodes, and one of the plurality of second touch electrodes is adjacent to one of all the first touch electrodes.
4. The haptic feedback method of claim 2, wherein the inputting the second drive signal to at least some second touch electrodes of the plurality of touch electrodes comprises:
and inputting the second driving signal to a plurality of second touch electrodes which are sequentially arranged, wherein the number of the plurality of second touch electrodes is the same as that of all the first touch electrodes, and the plurality of second touch electrodes are separated from all the first touch electrodes by at least one second touch electrode.
5. The haptic feedback method of claim 1, wherein the generating a second drive signal based on the first drive signal comprises:
determining a phase difference corresponding to each of the at least part of second touch electrodes according to the number of electrodes separated from the first touch electrode closest to the second touch electrode;
generating, based on the first drive signal, the second drive signal corresponding to each of the at least some second touch electrodes according to the determined phase difference.
6. The haptic feedback method of claim 5, wherein generating the second drive signal corresponding to each of the at least some second touch electrodes according to the determined phase difference based on the first drive signal comprises:
generating the second driving signal corresponding to each of the at least some second touch electrodes according to the determined phase difference and a preset amplitude difference based on the first driving signal.
7. The haptic feedback method of claim 1, further comprising:
and inputting scanning signals to the plurality of sensing electrodes line by line according to a preset scanning period, and determining the position information of the touch area according to the output signals of the sensing electrodes.
8. The haptic feedback method of claim 1, further comprising:
and obtaining gray value information of the corresponding position of the touch area in the image currently displayed by the display panel, and determining the frequency and amplitude of the second driving signal according to a preset corresponding relation.
9. A display device, comprising:
a display panel;
a haptic feedback assembly disposed on a display surface side of the display panel, the haptic feedback assembly including a plurality of sensing electrodes and a plurality of touch electrodes disposed to cross each other;
a haptic feedback driving module configured to input a first driving signal to all first touch electrodes of the plurality of touch electrodes in response to position information of a touch area determined by the plurality of sensing electrodes to drive the haptic feedback assembly to generate electrostatic haptic feedback within the touch area, wherein the first touch electrodes are at least partially coincident with the touch area; and generating a second driving signal based on the first driving signal, and inputting the second driving signal to at least some of the plurality of touch electrodes, wherein the second touch electrodes are not coincident with the touch area.
10. The display device according to claim 9,
the display panel comprises a packaging layer, a light emitting layer and a substrate base plate which are sequentially stacked;
the haptic feedback assembly further comprises a glass substrate and a transparent protective layer; the sensing electrodes and the touch electrodes are respectively arranged on two sides of the glass substrate, and the transparent protective layer is arranged on one side, deviating from the glass substrate, of the sensing electrodes.
11. The display device according to claim 10, wherein the device further comprises:
and the tactile feedback conversion module is used for acquiring the gray value information of the corresponding position of the touch area in the image currently displayed by the display panel and determining the frequency and the amplitude of the second driving signal according to a preset corresponding relation.
CN202110814241.XA 2021-07-19 2021-07-19 Display device and tactile feedback method thereof Active CN113485556B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110814241.XA CN113485556B (en) 2021-07-19 2021-07-19 Display device and tactile feedback method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110814241.XA CN113485556B (en) 2021-07-19 2021-07-19 Display device and tactile feedback method thereof

Publications (2)

Publication Number Publication Date
CN113485556A true CN113485556A (en) 2021-10-08
CN113485556B CN113485556B (en) 2024-03-15

Family

ID=77942115

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110814241.XA Active CN113485556B (en) 2021-07-19 2021-07-19 Display device and tactile feedback method thereof

Country Status (1)

Country Link
CN (1) CN113485556B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104407728A (en) * 2014-09-23 2015-03-11 上海天马微电子有限公司 A touch control display device and a driving method
CN105204687A (en) * 2015-09-28 2015-12-30 京东方科技集团股份有限公司 Tactile feedback elements, touch panel, display device and working method
KR20160062248A (en) * 2014-11-24 2016-06-02 엘지디스플레이 주식회사 Portable electronic device and method for driving thereof
CN106383608A (en) * 2016-09-07 2017-02-08 武汉华星光电技术有限公司 Array substrate embedded with touch structure, display panel and display apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104407728A (en) * 2014-09-23 2015-03-11 上海天马微电子有限公司 A touch control display device and a driving method
KR20160062248A (en) * 2014-11-24 2016-06-02 엘지디스플레이 주식회사 Portable electronic device and method for driving thereof
CN105204687A (en) * 2015-09-28 2015-12-30 京东方科技集团股份有限公司 Tactile feedback elements, touch panel, display device and working method
CN106383608A (en) * 2016-09-07 2017-02-08 武汉华星光电技术有限公司 Array substrate embedded with touch structure, display panel and display apparatus

Also Published As

Publication number Publication date
CN113485556B (en) 2024-03-15

Similar Documents

Publication Publication Date Title
US9910537B2 (en) In-cell touch screen panel, driving method thereof, and display device
CN107104131B (en) Touch display panel and display device
KR101736937B1 (en) Display device with integrated touch screen
US20190050096A1 (en) Electroluminescent display panel, production method, driving method and display apparatus
US8970512B2 (en) Touch screen display and method of driving the touch screen display with signal adjustment
US8581865B2 (en) Touch panel, display device with the same, and method for manufacturing the display device
US10216344B2 (en) In-cell touch panel, method for driving the same, and display device
JP6577344B2 (en) Display device and manufacturing method thereof
KR101905793B1 (en) Organic Light Emitting Display integrated Touch Screen Panel
JP6103394B2 (en) Input device and liquid crystal display device
KR970012902A (en) ELECTRIC GENERATING APPARATUS, IMAGE DISPLAY, DRIVING CIRCUIT
CN105467691A (en) Touch display device
CN109298801B (en) Touch display device and driving method thereof
CN109901741A (en) Touch sensor
CN108899339B (en) Display panel and display device
CN107167943B (en) Display panel and display device
US9760221B2 (en) Embedded touch screen
CN111625133B (en) OLED display panel
CN113485556B (en) Display device and tactile feedback method thereof
CN110045857B (en) Touch panel liquid crystal display device and driving method thereof
CN109634011B (en) Array substrate, display panel and display device
CN109817667B (en) OLED display panel and OLED display device
CN107422909B (en) Touch scanning method of display panel
US10332942B2 (en) OLED touch display panel
CN112181215A (en) Touch display panel, touch detection method thereof 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