CN112102794B - Method and device for eliminating touch trace of touch screen and computer readable storage medium - Google Patents
Method and device for eliminating touch trace of touch screen and computer readable storage medium Download PDFInfo
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- CN112102794B CN112102794B CN202010936559.0A CN202010936559A CN112102794B CN 112102794 B CN112102794 B CN 112102794B CN 202010936559 A CN202010936559 A CN 202010936559A CN 112102794 B CN112102794 B CN 112102794B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
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Abstract
The invention discloses a method and a device for eliminating touch traces of a touch screen and a computer readable storage medium, wherein the method for eliminating the touch traces of the touch screen comprises the following steps: acquiring the brightness of a target area; the target area is an area pressed in the touch screen; determining a compensation gray-scale value of the target area according to the brightness of the target area; and determining the compensation voltage of the target area according to the compensation gray-scale value, and performing voltage compensation. The invention can quickly and effectively eliminate the dark touch trace formed by sliding or point pressing, and improve the visual effect.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a method and an apparatus for eliminating touch traces on a touch screen, and a computer-readable storage medium.
Background
Touch screen (also called touch screen or touch panel) is an inductive liquid crystal display device capable of receiving input signals such as touch, when touching graphic buttons on the screen, the touch feedback system on the screen can drive various connecting devices according to a pre-programmed program, and can replace a mechanical button panel and produce vivid video and audio effects by the liquid crystal display picture. As a latest computer input device, the touch screen is the simplest, convenient and natural man-machine interaction mode at present. The multimedia interactive device gives the multimedia a brand-new appearance and is a brand-new multimedia interactive device with great attractiveness. The method is mainly applied to inquiry of public information, leadership office, industrial control, military command, electronic games, song and dish ordering, multimedia teaching, real estate pre-sale and the like.
First characteristic of the touch screen: transparent, it directly affects the visual effect of the touch screen. It includes at least four characteristics: transparency, color distortion, reflectivity, and clarity, and can be subdivided, such as reflectivity including specular reflectivity and diffractive reflectivity. Second characteristic of the touch screen: the touch screen is an absolute coordinate system, and the absolute coordinate system is characterized in that each positioning coordinate has no relation with the last positioning coordinate, the touch screen is an independent coordinate positioning system physically, and data touched each time is converted into coordinates on the screen through calibration data. Third characteristic of the touch screen: to detect touches and locate, various touch screen technologies rely on their own sensors to work, even some touch screens themselves are a set of sensors. The respective positioning principle and the respective sensor used determine the response speed, reliability, stability and lifetime of the touch screen.
The touch screen is formed by attaching an LCD panel and a touch sensor, the LCD panel clamps liquid crystal for two layers of glass, when a user uses the touch screen, the user needs to touch or press the touch screen with a finger or a conductive pen, and the touch sensor converts the signal change of a touch/pressing point into coordinates and transmits the coordinates to a touch screen main board for corresponding operation, as shown in fig. 1.
And LCD panel and touch sensor's thickness all is thinner, be 1 ~ 2mm usually, when the dynamics that user's touch-control or press is slightly bigger, the LCD panel can produce deformation, the liquid crystal of the inside receives extrusion back light transmissivity and difference all around, can produce the touch dark trace of trailing trace (slip) or circular dark spot (point press) etc. of partial darkness, because the liquid crystal resumes needs certain time, take away when the hand in the twinkling of an eye, can produce the effect of similar water mark, can influence human visual sensation like this, as shown in fig. 2.
Therefore, eliminating the touch trace of the touch screen is one of the problems that needs to be solved in the current display technology.
Disclosure of Invention
In order to solve the problem that the visual effect of the existing touch screen is affected by touch marks generated after a user touches or presses the touch screen, the invention provides a method and a device for eliminating the touch marks of the touch screen and a computer readable storage medium.
In order to achieve the above technical object, in a first aspect, the present invention provides a method for eliminating a touch trace of a touch screen, including:
acquiring the brightness of a target area; the target area is an area pressed in the touch screen;
determining a compensation gray scale value of the target area according to the brightness of the target area;
and determining the compensation voltage of the target area according to the compensation gray-scale value.
Further, acquiring the brightness of the target area includes:
acquiring a pressure value of the target area;
and determining the brightness of the target area according to the pressure value of the target area.
Further, the determining a compensation gray-scale value of the target area according to the brightness of the target area includes:
acquiring the brightness of the residual area;
comparing the brightness of the target area with the brightness of the residual area to obtain a comparison result;
and determining a compensation gray-scale value of the target area according to the comparison result.
Further, the determining the compensation voltage of the target area according to the compensation gray scale value includes:
searching a compensation voltage corresponding to the compensation gray-scale value of the target area according to a preset corresponding relation table;
the corresponding relation table stores the corresponding relation between the compensation gray-scale value and the compensation voltage.
Further, the target area includes a trailing trace by sliding or a dark spot by point pressing.
In order to achieve the above technical object, in a second aspect, the present invention provides an apparatus for eliminating touch traces on a touch screen, including:
the acquisition module is used for acquiring the brightness of the target area;
the compensation gray-scale value determining module is used for determining the compensation gray-scale value of the target area according to the brightness of the target area;
and the compensation voltage determining module is used for determining the compensation voltage of the target area according to the compensation gray-scale value.
Further, the device for eliminating touch traces of the touch screen further comprises a pressure value acquisition module, and the pressure value acquisition module is used for acquiring a pressure value of the target area.
Further, the compensation gray-scale value determining module comprises a comparison module, and the comparison module is used for obtaining the brightness of the remaining region and comparing the brightness of the target region with the brightness of the remaining region to obtain a comparison result.
Further, the compensation voltage determining module comprises a storage module, and the storage module is used for pre-establishing and storing a corresponding relation table of the compensation gray-scale value and the compensation voltage.
In order to achieve the above technical object, in a third aspect, the present invention provides a computer-readable storage medium having stored thereon a plurality of instructions, the instructions being adapted to be loaded by a processor to execute any one of the above methods for removing touch traces on a touch screen.
The invention has the beneficial effects that:
compared with the prior art, the method for eliminating the touch trace of the touch screen, provided by the invention, comprises the following steps: acquiring the brightness of a target area; determining a compensation gray-scale value of the target area according to the brightness of the target area; and determining the compensation voltage of the target area according to the compensation gray scale value, performing voltage compensation, quickly and effectively eliminating dark touch marks formed by sliding or point pressing, and improving the visual effect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the respective embodiments will be briefly introduced below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings in the following detailed description of the present invention without inventive efforts.
Fig. 1 is a schematic diagram of a touch screen of the prior art.
Fig. 2 is a schematic structural diagram of a touch trace (touch dark trace).
Fig. 3 is a flowchart of a method for eliminating a touch trace of a touch screen according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a touch screen according to an embodiment of the present invention for eliminating a touch trace on the touch screen.
Fig. 5 is a schematic structural diagram of an apparatus for eliminating touch traces of a touch screen according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention.
Fig. 7 is a schematic view of an application scenario of the embodiment of the present invention.
Detailed Description
The technical solutions of the method, the apparatus, and the computer-readable storage medium for eliminating touch traces of a touch screen according to the present invention are clearly and completely described below with reference to the drawings in the specification, and it is obvious that the described embodiments are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be considered as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to a number of indicated technical features. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present disclosure, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the invention. In the following description, the invention has been set forth in detail for the purpose of illustration. It will be apparent to one of ordinary skill in the art that the present invention may be practiced without these specific details. In other instances, well-known structures and processes are not shown in detail to avoid obscuring the description of the invention with unnecessary detail. Thus, the present invention is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
In accordance with an embodiment of the present invention, there is provided an embodiment of a method for eliminating touch traces on a touch screen, where the steps illustrated in the flowchart of the figure may be performed in a computer system such as a set of computer-executable instructions, and where a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described may be performed in an order different than that illustrated.
In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
The method for eliminating touch traces of the touch screen can be applied to a mobile terminal, and the mobile terminal can be an intelligent device such as a smart phone, a smart watch, an ipad, a tablet computer and the like, which is not limited in the present application. Fig. 3 is a flowchart of a method for eliminating a touch trace of a touch screen according to an embodiment of the present invention, as shown in fig. 3, the flowchart includes the following steps:
s1, acquiring the brightness of the target area; the target area is an area pressed in the touch screen.
In this embodiment, the brightness of the target area is represented by the light transmittance, and the hardware on the mobile terminal can directly obtain the brightness of the target area.
In a specific embodiment, the brightness of the target area may also be determined according to a pressure value of the target area, a touch sensor is disposed on the mobile terminal, the mobile terminal obtains the pressure value of the target area through the touch sensor, and then the brightness of the target area is determined according to the pressure value of the target area.
And S2, determining the compensation gray-scale value of the target area according to the brightness of the target area.
In a specific embodiment, after the brightness of the target area is obtained, the brightness of the remaining area is obtained, the brightness of the target area is compared with the brightness of the remaining area to obtain a comparison result, and the compensation gray-scale value of the target area is determined according to the comparison result.
And S3, determining the compensation voltage of the target area according to the compensation gray-scale value.
In a specific embodiment, a corresponding relation table of compensation gray scale values and compensation voltages is pre-established and stored on the mobile terminal, after the compensation gray scale value of the target area is determined, the compensation voltage corresponding to the compensation gray scale value of the target area is searched according to the predetermined corresponding relation table, so that a required voltage compensation value can be obtained, the TCON IC on the mobile terminal outputs the required voltage compensation value to the extruded liquid crystal, the light transmission brightness at the touch pressing position is improved, the touch trace position is compensated to the brightness same as that of the surrounding area, and the visual effect is improved.
In this embodiment, the target area includes a trailing trace caused by sliding or a dark spot caused by point pressing, and the sliding and point pressing cause liquid crystal at the touch position to be squeezed, and the light transmittance of the liquid crystal is different from that of the surrounding area, so that the brightness of the touch position is darker, a touch dark trace is formed, and the human visual perception is affected.
Firstly, a corresponding relation table of compensation gray scale values and compensation voltages is established in advance, the degree of touch traces formed at the touch position of the touch screen is obtained according to different pressing force degrees and contact areas, the brightness of the touch trace area is compared with that of the rest area, the corresponding gray scale values of the touch traces needing compensation are calculated or debugged, the corresponding relation between the gray scale values and the voltages is established, and the compensation data are stored in data storage media such as flash.
Fig. 4 is a schematic diagram of a touch screen according to an embodiment of the present invention for eliminating a touch trace on the touch screen. As shown in fig. 4, when a human body operates the touch screen, the touch control panel IC detects a touch position, and transmits the touch position to the touch screen main board, the touch control panel IC simultaneously transmits a touch signal (touch position, pressing force) to the TCON IC driving the LCD panel to display, the TCON IC searches a corresponding relation table between a compensation gray level value and a compensation voltage stored in a data storage medium such as flash, and obtains a voltage value that the liquid crystal at the touch position needs to be compensated, and the TCON IC outputs the required voltage compensation value to the extruded liquid crystal, so that the extruded liquid crystal is instantly deflected to a more transparent angle, the transparent brightness at the touch pressing position is increased, and the compensation brightness makes the brightness of the trailing trace or the circular dark spot consistent with the brightness of the liquid crystal at the periphery, thereby achieving the effect of quickly eliminating the touch trace and improving the visual perception.
In this embodiment, a device for eliminating a touch trace of a touch screen is further provided, and the device is used to implement the above embodiments, which has already been described and will not be described again. As used below, the term "module" may be a combination of software and/or hardware that implements a predetermined function. Although the means described in the embodiments below are preferably implemented in software, an implementation in hardware, or a combination of software and hardware is also possible and contemplated.
The embodiment provides a device for eliminating touch traces of a touch screen, which is applied to a mobile terminal. As shown in fig. 5, the apparatus for eliminating touch trace of touch screen includes: the device comprises an acquisition module 1, a compensation gray-scale value determination module 2 and a compensation voltage determination module 3.
The acquisition module 1 is used for acquiring the brightness of a target area; in this embodiment, the brightness of the target area is represented by the light transmittance, and the obtaining module 1 directly obtains the brightness of the target area.
In a specific embodiment, the apparatus for eliminating a touch trace of a touch screen further includes a pressure value obtaining module, where the pressure value obtaining module is configured to obtain a pressure value of a target area. The pressure value acquisition module acquires a pressure value of the target area and then transmits the pressure value to the acquisition module 1, and the acquisition module 1 calculates and determines the brightness of the target area according to the pressure value.
The compensation gray-scale value determining module 2 is used for determining the compensation gray-scale value of the target area according to the brightness of the target area; the compensation gray-scale value determining module 2 comprises a comparison module, the comparison module is used for obtaining the brightness of the residual region and comparing the brightness of the target region with the brightness of the residual region to obtain a comparison result, and the compensation gray-scale value determining module 2 determines the compensation gray-scale value according to the comparison result.
And the compensation voltage determining module 3 is used for determining the compensation voltage of the target area according to the compensation gray-scale value. The compensation voltage determining module 3 comprises a storage module, and the storage module is used for pre-establishing and storing a corresponding relation table of the compensation gray-scale value and the compensation voltage. After the compensation gray scale value determining module 2 determines the compensation gray scale value of the target area, the compensation voltage determining module 3 searches a corresponding relation table of the compensation gray scale value and the compensation voltage to obtain the compensation voltage corresponding to the compensation gray scale value of the target area, namely, a required voltage compensation value can be obtained, the TCON IC on the mobile terminal outputs the required voltage compensation value to the extruded liquid crystal, the light transmission brightness at the touch pressing position is improved, the dark spots at the touch marks are compensated to the brightness same as that of the surrounding area, and the visual effect is improved.
An embodiment of the present invention further provides a mobile terminal, which has the device for eliminating touch traces on a touch screen shown in fig. 5.
Referring to fig. 6, fig. 6 is a schematic structural diagram of a mobile terminal according to an embodiment of the present invention, and as shown in fig. 6, the mobile terminal may include: at least one processor 380, such as a CPU (Central Processing Unit), at least one communication interface 303, memory 320, and at least one communication bus 302. Wherein a communication bus 302 is used to enable the connection communication between these components. The communication interface 303 may include a Display (Display) and a Keyboard (Keyboard), and the optional communication interface 303 may further include a standard wired interface and a standard wireless interface. The Memory 320 may be a high-speed RAM (Random Access Memory) or a non-volatile Memory (non-volatile Memory), such as at least one disk Memory. The memory 320 may optionally be at least one storage device located remotely from the processor 380. Wherein the processor 380 may be combined with the apparatus described in fig. 5, the memory 320 stores an application program, and the processor 380 calls the program code stored in the memory 320 for performing any of the above method steps, i.e. for performing the following operations:
acquiring the brightness of a target area;
determining a compensation gray-scale value of the target area according to the brightness of the target area;
and determining the compensation voltage of the target area according to the compensation gray-scale value.
In the embodiment of the present invention, the processor 380 calls the program code in the memory 320, and is further configured to perform the following operations:
and acquiring a pressure value of the target area, and determining the brightness of the target area according to the pressure value of the target area.
In the embodiment of the present invention, the processor 380 calls the program code in the memory 320, and is further configured to perform the following operations:
and comparing the brightness of the target area with the brightness of the surrounding area, and determining the compensation gray-scale value of the target area.
In the embodiment of the present invention, the processor 380 calls the program code in the memory 320, and is further configured to perform the following operations:
and establishing a corresponding relation table of the compensation gray-scale value and the compensation voltage.
The communication bus 302 may be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus. The communication bus 302 may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown in FIG. 6, but this is not intended to represent only one bus or type of bus.
The memory 320 may include a volatile memory (RAM), such as a random-access memory (RAM); the memory may also include a non-volatile memory (english: non-volatile memory), such as a flash memory (english: flash memory), a hard disk (english: hard disk drive, abbreviated: HDD) or a solid-state drive (english: SSD); memory 320 may also comprise a combination of memories of the sort described above.
The processor 380 may be a Central Processing Unit (CPU), a Network Processor (NP), or a combination of a CPU and an NP.
The processor 380 may further include a hardware chip. The hardware chip may be an application-specific integrated circuit (ASIC), a Programmable Logic Device (PLD), or a combination thereof. The PLD may be a Complex Programmable Logic Device (CPLD), a field-programmable gate array (FPGA), a General Array Logic (GAL), or any combination thereof.
Optionally, memory 320 is also used to store program instructions. The processor 380 can call program instructions to implement the method for eliminating touch traces on the touch screen as shown in the embodiment of fig. 3 of the present application.
Fig. 7 is a schematic view of an application scenario of an embodiment of the present invention. The mobile terminal 300 is a mobile phone, and a block diagram of a part of the structure of the mobile phone is shown in fig. 7, and the mobile phone includes an RF circuit (radio frequency circuit) 310, a memory 320, an input unit 330, a display unit 340, a sensor 350, an audio circuit 360, a wireless module 370, a processor 380, a power supply 390, and the like. Those skilled in the art will appreciate that the handset configuration shown in fig. 7 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The RF circuit 310 is used for receiving and transmitting electromagnetic waves, and performing interconversion between the electromagnetic waves and electrical signals, thereby communicating with a communication network or other devices. RF circuitry 310 may include various existing circuit elements for performing these functions, such as an antenna, a radio frequency transceiver, a digital signal processor, an encryption/decryption chip, a Subscriber Identity Module (SIM) card, memory, and so forth. RF circuit 310 may communicate with various networks such as the internet, an intranet, a wireless network, or with other devices over a wireless network. The wireless network may comprise a cellular telephone network, a wireless local area network, or a metropolitan area network. The Wireless network may use various Communication standards, protocols and technologies, including but not limited to Global System for Mobile Communication (GSM), Enhanced Data GSM Environment (EDGE), Wideband Code Division Multiple Access (WCDMA), Code Division Multiple Access (CDMA), Time Division Multiple Access (TDMA), Wireless Fidelity (Wi-Fi) (e.g., IEEE802.11 a, IEEE802.11 b, IEEE802.11g and/or IEEE802.11 n), Voice over Internet Protocol (VoIP), Worldwide Interoperability for Microwave Access (wimax), and other technologies for Microwave Access (Max-Max), and the like, Protocols for instant messaging and short messaging, as well as any other suitable communication protocols, may even include those that have not yet been developed.
The memory 320 can be used for storing software programs and modules, such as program instructions/modules corresponding to the method and apparatus for removing touch traces of a touch screen in the above embodiments, and the processor 380 executes various functional applications and data processing by running the software programs and modules stored in the memory 320, so as to implement a function of removing touch traces (touch dark traces) of the touch screen. The memory 320 may include high speed random access memory and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 320 may further include memory located remotely from the processor 380, which may be connected to the mobile terminal via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input unit 330 may be used to receive input numeric or character information and generate keyboard, mouse, joystick, optical or trackball signal inputs related to user settings and function control. In particular, the input unit 330 includes a touch-sensitive surface 331. The touch-sensitive surface 331, also referred to as a touch screen or touch pad, may collect touch operations by a user (e.g., operations by a user using a finger, a stylus, or any other suitable object or attachment on or near the touch-sensitive surface 331, including sliding and point-pressing) on or near the touch-sensitive surface 331 and drive the corresponding connection device according to a predetermined program. Alternatively, the touch sensitive surface 331 may comprise two parts, a touch detection means and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 380, and can receive and execute commands sent by the processor 380. In addition, the touch-sensitive surface 331 may be implemented using various types of resistive, capacitive, infrared, and surface acoustic waves. The input unit 330 may comprise other input devices 332 in addition to the touch sensitive surface 331. In particular, other input devices 332 may include, but are not limited to, one or more of a physical keyboard, function keys (such as volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like.
The display unit 340 may be used to display information input by or provided to the user and various graphic user interfaces of the mobile terminal, which may be configured by graphics, text, icons, video, and any combination thereof. The Display unit 340 may include a Display panel 341, and the Display panel 341 is configured by using a Liquid Crystal Display (LCD). Further, touch-sensitive surface 331 overlays display panel 341, and when touch-sensitive surface 331 detects a touch operation on or near touch-sensitive surface 331, processor 380 communicates to determine the type of touch event, and processor 380 then provides a corresponding visual output on display panel 341 based on the type of touch event. Although in FIG. 7, touch-sensitive surface 331 and display panel 341 are implemented as two separate components for input and output functions, in some embodiments, touch-sensitive surface 331 and display panel 341 may be integrated for input and output functions.
The mobile terminal may also include at least one sensor 350, such as a touch sensor, a light sensor, a motion sensor, and other sensors. Specifically, the touch sensor converts the signal change of the touch/press point into coordinates and transmits the coordinates to the processor 380; the light sensor may include an ambient light sensor that may adjust the brightness of the display panel 341 according to the brightness of ambient light, and a proximity sensor that may turn off the display panel 341 and/or a backlight when the mobile terminal is moved to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), can detect the magnitude and direction of gravity when the mobile phone is stationary, and can be used for applications of recognizing the posture of the mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile terminal, further description is omitted here.
The mobile terminal may assist the user in e-mail, web browsing, streaming media access, etc. through the transport module 370 (e.g., a Wi-Fi module), which provides the user with wireless broadband internet access. Although fig. 7 shows the transmission module 370, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The processor 380 is a control center of the mobile terminal, connects various parts of the entire mobile phone using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 320 and calling data stored in the memory 320, thereby integrally monitoring the mobile phone. Optionally, processor 380 may include one or more processing cores; in some embodiments, processor 380 may integrate an application processor, which primarily handles operating systems, user interfaces, applications, etc., and a modem processor, which primarily handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 380.
The mobile terminal also includes a power supply 390 (e.g., a battery) that provides power to the various components and, in some embodiments, may be logically coupled to the processor 380 via a power management system to manage charging, discharging, and power consumption management functions via the power management system. The power supply 390 may further include one or more dc or ac power supplies, a recharging system, a power failure detection circuit, a power converter or inverter, a power status indicator (e.g., a front camera, a rear camera), a bluetooth module, etc., which are not described herein again. Specifically, in this embodiment, the display unit of the mobile terminal is a touch screen display, and the mobile terminal further includes a memory.
The embodiment of the present invention further provides a computer-readable storage medium, where a plurality of computer-executable instructions are stored in the storage medium, and the computer-readable instructions are suitable for being loaded by a processor to execute the method for eliminating the touch trace of the touch screen in any of the above-mentioned method embodiments. The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a Flash Memory (Flash Memory), a Hard Disk (Hard Disk Drive, abbreviated as HDD) or a Solid State Drive (SSD), etc.; the storage medium may also comprise a combination of memories of the kind described above.
It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above 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 components may be implemented as software executed by a processor, such as a 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.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and simplifications made in the spirit of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. A method for eliminating touch traces of a touch screen is characterized by comprising the following steps:
acquiring the brightness of a target area; the target area is an area pressed in the touch screen;
determining a compensation gray-scale value of the target area according to the brightness of the target area, wherein determining the compensation gray-scale value of the target area according to the brightness of the target area comprises:
acquiring the brightness of the residual area;
comparing the brightness of the target area with the brightness of the residual area to obtain a comparison result; and
determining a compensation gray scale value of the target area according to the comparison result; and
and determining the compensation voltage of the target area according to the compensation gray-scale value.
2. The method for eliminating touch traces on a touch screen according to claim 1, wherein the obtaining the brightness of the target area comprises:
acquiring a pressure value of the target area;
and determining the brightness of the target area according to the pressure value of the target area.
3. The method for eliminating touch traces on a touch screen according to claim 1, wherein determining the compensation voltage of the target area according to the compensation gray scale value comprises:
searching a compensation voltage corresponding to the compensation gray-scale value of the target area according to a preset corresponding relation table;
the corresponding relation table stores the corresponding relation between the compensation gray-scale value and the compensation voltage.
4. The method for eliminating touch traces on a touch screen according to any one of claims 1 to 3, wherein the target area comprises a trailing trace caused by sliding or a dark spot caused by point pressing.
5. An apparatus for eliminating touch trace on a touch screen, comprising:
the acquisition module is used for acquiring the brightness of the target area;
the compensation gray-scale value determining module is used for determining a compensation gray-scale value of a target area according to the brightness of the target area, and comprises a comparison module which is used for acquiring the brightness of the remaining area and comparing the brightness of the target area with the brightness of the remaining area to obtain a comparison result;
and the compensation voltage determining module is used for determining the compensation voltage of the target area according to the compensation gray-scale value.
6. The apparatus for eliminating touch traces of a touch screen according to claim 5, further comprising a pressure value obtaining module, wherein the pressure value obtaining module is configured to obtain a pressure value of the target area.
7. The apparatus for eliminating touch traces on a touch screen according to claim 5, wherein the compensation voltage determining module comprises a storage module, and the storage module is configured to pre-establish and store a corresponding relationship table between the compensation gray-scale values and the compensation voltages.
8. A computer-readable storage medium having stored thereon a plurality of instructions adapted to be loaded by a processor to perform the method of removing touch traces on a touch screen according to any one of claims 1 to 4.
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| CN202010936559.0A CN112102794B (en) | 2020-09-08 | 2020-09-08 | Method and device for eliminating touch trace of touch screen and computer readable storage medium |
| PCT/CN2020/130021 WO2022052304A1 (en) | 2020-09-08 | 2020-11-19 | Method and apparatus for eliminating touch traces of touch-control screen, and computer-readable storage medium |
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| CN202010936559.0A CN112102794B (en) | 2020-09-08 | 2020-09-08 | Method and device for eliminating touch trace of touch screen and computer readable storage medium |
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| CN112102794A (en) | 2020-12-18 |
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