CN113393797A - Display signal processing method, time sequence controller, display device and storage medium - Google Patents
Display signal processing method, time sequence controller, display device and storage medium Download PDFInfo
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Abstract
The application is applicable to the technical field of display, and provides a display signal processing method, a time schedule controller, a display device and a storage medium, wherein the method comprises the following steps: adjusting the first data control signal according to the clock signal to obtain a second data control signal, wherein the time difference between the starting time of the falling edge of the second data control signal and the ending time of the rising edge of the clock signal is equal to the preset charging duration; controlling a gate driver to output a scanning signal through a clock signal; controlling the source driver to output a data signal through a second data control signal, wherein the total time length of the rising edge of the data signal is equal to the preset charging time length; the clock signal, the first data control signal, the second data control signal, the scanning signal and the data signal correspond to the ith row of pixels, i is 1,2 and …, n is any positive integer. The method and the device can enable the display brightness of the pixels in different rows to be the same, enable the brightness of the whole display picture to be balanced, and improve the picture quality.
Description
Technical Field
The present application relates to the field of display technologies, and in particular, to a display signal processing method, a timing controller, a display device, and a storage medium.
Background
With the continuous development of display technology, various types of display devices are developed, which brings great convenience to daily production and life of people. In the actual use process of the display device, due to various reasons such as polarity inversion of pixels, hardware difference between different source drivers or hardware difference between different gate drivers, and the like, charging durations of pixels in different rows are different, so that display brightness of pixels in different rows is different, a horizontal stripe occurs in a whole display picture, and picture quality is seriously affected.
Disclosure of Invention
The embodiment of the application provides a display signal processing method, a time schedule controller, a display device and a storage medium, and aims to solve the problem that the display brightness of pixels in different rows is different due to the difference of charging time lengths among the pixels in different rows, so that a whole display picture has horizontal stripes, and the picture quality is seriously influenced.
A first aspect of an embodiment of the present application provides a display signal processing method, including:
adjusting a first data control signal according to a clock signal to obtain a second data control signal, wherein the time difference between the starting time of the falling edge of the second data control signal and the ending time of the rising edge of the clock signal is equal to a preset charging duration;
controlling a gate driver to output a scanning signal through the clock signal;
controlling a source electrode driver to output a data signal through the second data control signal, wherein the total duration of the rising edge of the data signal is equal to the preset charging duration;
wherein the clock signal, the first data control signal, the second data control signal, the scan signal, and the data signal correspond to an ith row of pixels, i is 1,2, …, n is any positive integer.
A second aspect of an embodiment of the present application provides a timing controller, including:
the detection processing unit is used for adjusting a first data control signal according to a clock signal to obtain a second data control signal, and the time difference between the starting time of the falling edge of the second data control signal and the ending time of the rising edge of the clock signal is equal to the preset charging time;
the grid control unit is connected with the detection processing unit and is used for controlling the grid driver to output scanning signals through the clock signals;
the source electrode control unit is connected with the detection processing unit and used for controlling the source electrode driver to output a data signal through the second data control signal, and the total duration of the rising edge of the data signal is equal to the preset charging duration;
wherein the clock signal, the first data control signal, the second data control signal, the scan signal, and the data signal correspond to an ith row of pixels, i is 1,2, …, n is any positive integer.
A third aspect of an embodiment of the present application provides a display device, including a memory, a timing controller, and a computer program stored in the memory and operable on the timing controller, wherein the steps of the display signal processing method according to the first aspect of the embodiment of the present application are implemented when the computer program is executed by the timing controller.
A fourth aspect of embodiments of the present application provides a computer-readable storage medium storing a computer program that, when executed by a timing controller, implements the steps of the display signal processing method according to the first aspect of embodiments of the present application.
In the display signal processing method provided in the first aspect of the embodiment of the present application, the first data control signal is adjusted according to the clock signal to obtain the second data control signal, a time difference between a start time of a falling edge of the second data control signal and an end time of a rising edge of the clock signal is equal to a preset charging duration, i is 1,2, …, n is any positive integer; controlling a gate driver to output a scanning signal through a clock signal; controlling the source driver to output a data signal through a second data control signal, wherein the total time length of the rising edge of the data signal is equal to the preset charging time length; the clock signal, the first data control signal, the second data control signal, the scanning signal and the data signal correspond to the ith row of pixels, i is 1,2, …, n is any positive integer, the charging time duration of the pixels in different rows is the same, the display brightness of the pixels in different rows can be the same, the brightness of the whole display picture is balanced, and the picture quality is improved.
It is understood that the beneficial effects of the second to fourth aspects can be seen from the description of the first aspect, and are not described herein again.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic flowchart of a display signal processing method according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of horizontal stripes of a display screen according to an embodiment of the present disclosure;
FIG. 3 is a timing diagram of a second data control signal and a clock signal provided by an embodiment of the present application;
fig. 4 is a schematic structural diagram of a display signal processing apparatus according to an embodiment of the present application;
fig. 5 is a schematic structural diagram of a display device provided in an embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, 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 should also be understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to" determining "or" in response to detecting ". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
Furthermore, in the description of the present application and the appended claims, the terms "first," "second," "third," and the like are used for distinguishing between descriptions and not necessarily for describing or implying relative importance.
Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.
An embodiment of the present application provides a display signal processing method, which may be executed by a Timing Controller (TCON) or any display device including the TCON, and is specifically executed by the TCON when a computer program with corresponding functions is run, so as to adjust a data control signal (TP signal) to make charging durations of all pixels of a row of the display device equal.
In application, the Display device may be a Thin Film Transistor Liquid Crystal Display (TFT-LCD), a Liquid Crystal Display (LCD), an Organic Light Emitting Display (OLED), a Quantum Dot Light Emitting diode (QLED) Display device, or the like, classified by type.
As shown in fig. 1, a display signal processing method according to a first embodiment of the present application includes the following steps S101 to S103:
step S101, adjusting a first data control signal according to a clock signal to obtain a second data control signal, wherein the time difference between the starting time of the falling edge of the second data control signal and the ending time of the rising edge of the clock signal is equal to a preset charging time;
step S102, controlling a grid driver to output a scanning signal through a clock signal;
step S103, controlling the source driver to output the data signal through the second data control signal, where the total duration of the rising edge of the data signal is equal to the preset charging duration.
In application, when the time schedule controller works, firstly, image Data with a first preset digit, a Data Enable (DE) signal, a control signal with a second preset digit and a Clock (Clock) signal which are output by the image controller are input through a transmitter and a receiver, and then the signals are processed to obtain a first Data control signal;
for the clock signal, on one hand, the clock signal is output to the gate driver through a first Shift Register (SR) to control the gate driver to output the scanning signal, and on the other hand, the start time of the falling edge of the first data control signal is adjusted according to the clock signal to obtain the adjusted second data control signal, so that the time difference between the start time of the falling edge of the first data control signal and the end time of the rising edge of the clock signal is equal to the preset charging time;
then, outputting a second data control signal to the source driver through the second shift register to control the source driver to output a data signal, wherein the source driver outputs the data signal at a falling edge of the second data control signal, so that finally, the total duration of the rising edge of the data signal is equal to the preset charging duration;
the display signals of the clock signal, the first data control signal, the second data control signal, the scanning signal and the data signal correspond to the ith row of pixels, i is 1,2, …, n is any positive integer, n is the total row number of all the pixels of the display device, and the display signals for driving each row of pixels of the display device are processed by adopting the method, so that the charging time of each row of pixels is equal to the preset charging time, and thus, the charging time of all the rows of pixels of the whole display device can be equal.
In the application, the display signal processing method can be applied to the problem that the charging time lengths of pixels in different rows are different due to various reasons such as polarity inversion of the pixels, hardware differences between different source drivers or between different gate drivers, Spread Spectrum Clock (SSCG) processing of Clock signals, and the like.
In one embodiment, the clock signals in steps S101 and S102 are spread spectrum processed clock signals, and can be generated by a spread spectrum clock generator.
In application, in the field of electronic products, electronic products may interfere with other peripheral electronic products when operating, and in order not to affect normal operation of other electronic products, there is a common Electromagnetic Interference (EMI) certification standard internationally, and electronic products need to pass EMI certification before being sold in the market. In the field of display devices, in order to improve EMI of the display device, the most effective method is to perform spread spectrum processing on a clock signal output by a timing controller, but the method has a limitation that durations (i.e., positive pulse widths) of rising edges of the processed clock signal are not consistent, so that charging durations of pixels in different rows are different, display brightness of pixels in different rows is different, a horizontal stripe occurs in a whole display picture, and picture quality is seriously affected.
As shown in fig. 2, a schematic diagram illustrating horizontal stripes of a display screen due to differences in charging periods between pixels in different rows is illustrated.
In one embodiment, n ≧ 2, the durations of the rising edges of at least 2 of the n clock signals corresponding to the n rows of pixels are different.
In application, for a display device including a plurality of rows of pixels, the durations of the rising edges of the clock signals corresponding to different rows of pixels may be the same or different. After all the clock signals corresponding to all the rows of pixels of the display device are subjected to spread spectrum processing, the durations of the rising edges of some or all of the clock signals corresponding to different rows of pixels usually differ, so that the charging durations of the pixels in different rows differ. Because each row of pixels can be charged only under the condition that the rising edge of the data signal and the rising edge of the scanning signal are accessed simultaneously, in order to solve the problem that the charging time lengths of the pixels in different rows are different, by adopting the display signal processing method, under the condition that the duration time lengths of the rising edges of all clock signals corresponding to all the rows of pixels are not changed, the charging time of all the rows of pixels can be equal only by changing the starting time of the second data control signal, namely changing the starting time of the data signals output to all the rows of pixels by the source driver, and enabling the total time length of each row of pixels accessing the data signals in the rising edge period of the clock signals to be equal to the preset charging time length.
As shown in fig. 3, a timing diagram of the second data control signal TP and the spread spectrum processed clock signal CLK is exemplarily shown; wherein, T1, T2, T3 and T4 are charging durations corresponding to the pixels in the 1 st to 4 th rows before the first data control signal is adjusted, respectively; t is a charging time period (i.e., a preset charging time period) corresponding to the pixels in the rows 1 to 4 one to one after the first data control signal is adjusted (i.e., after the source driver is controlled by the second data control signal TP).
In the second embodiment, before the step S101 in the first embodiment, the method includes:
and determining the preset charging time according to the duration of the rising edge of the clock signal corresponding to the n rows of pixels.
In application, the clock signal in the second embodiment may be a clock signal that is or is not subjected to spreading processing. The charging duration corresponding to each row of pixels is equal, so that the horizontal stripe phenomenon of the display device can be eliminated, the duration of the rising edge of the clock signal which is not subjected to spread spectrum processing can meet the charging duration requirement, the brightness of the picture displayed by the display device is normal, the duration of the rising edge of the clock signal which is subjected to spread spectrum processing can be prolonged, the charging duration requirement can be met, the brightness of the picture displayed by the display device is normal, and therefore the preset charging duration can be determined according to the duration of the rising edge of the clock signal corresponding to n rows of pixels which are subjected to or not subjected to spread spectrum processing.
In one embodiment, the preset charging time is greater than or equal to the minimum duration of the durations of the rising edges of the clock signals corresponding to n rows of pixels before the spread spectrum processing, or the preset charging time is greater than or equal to the minimum duration of the durations of the rising edges of the clock signals corresponding to n rows of pixels after the spread spectrum processing.
In application, in order to eliminate the horizontal stripe phenomenon of the display device and ensure that the brightness of a picture displayed by the display device is normal, the preset charging time length can be set to be greater than or equal to the minimum duration time length in the duration time lengths of the rising edges of the clock signals of the n rows of pixels before the spread spectrum processing; the preset charging time is set to be equal to the minimum duration of the durations of the rising edges of the clock signals of the n rows of pixels before the spread spectrum processing, so that the brightness of the picture displayed by the display device can be normal under the condition that the refresh rate of the display device is relatively higher.
In application, since the duration of the rising edge of the clock signal after the spread spectrum processing is extended, the preset charging duration is set to be greater than or equal to the minimum duration of the durations of the rising edges of the n clock signals after the spread spectrum processing, so that the brightness of the picture displayed by the display device can be normal; by setting the preset charging time to be equal to the minimum duration, the brightness of the picture displayed by the display device can be enabled to be normal under the condition that the refresh rate of the display device is relatively higher.
In a third embodiment, before the step S101 in the first embodiment, the method includes:
detecting whether the width of a rising edge of a clock signal corresponding to the ith row of pixels is equal to a preset charging time length or not;
step S101, including:
and when the duration of the rising edge of the clock signal corresponding to the ith row of pixels is not equal to the preset charging duration, adjusting the first data control signal corresponding to the ith row of pixels according to the clock signal corresponding to the ith row of pixels.
In application, for n clock signals corresponding to n rows of pixels, the duration of the rising edge of only part of the clock signals may be different, and the duration of a part of the rising edge is the same, because the preset charging duration can be set to be equal to any number of the same durations of the duration of the rising edges of the n clock signals, and then only the first data control signals corresponding to the row pixels, of which the duration of the rising edge of the clock signals is different from the preset charging duration, need to be detected and adjusted, so that the processing speed of the display signals of the whole display device can be effectively improved, and the refresh rate of the display device can be improved.
In a fourth embodiment, the display signal processing method further includes:
receiving a charging time setting instruction;
and setting a preset charging time according to the charging time setting instruction.
In application, the preset charging time duration can also be manually set by a user, and after the display device is started and at any time when the user needs the display device, a charging time duration setting instruction can be input through a human-computer interaction device of the display device according to actual needs, or the charging time duration setting instruction is sent to the display device through user equipment which is communicated with the display device.
In application, the human-computer interaction device of the display device may include at least one of a physical key, a touch sensor, a gesture recognition sensor, and a voice recognition unit, so that a user may input an instruction in a corresponding touch manner, gesture control manner, or voice control manner. The physical keys and the touch sensor may be disposed at any position of the display device, for example, a control panel of the display device. The touch manner of the physical key may be pressing or toggling. The touch manner of the touch sensor may be pressing or touching. The gesture recognition sensor may be disposed anywhere on the display device, for example, outside the housing near the outlet vent of the display device. The gesture for controlling the display device may be set by the user in a user-defined manner according to actual needs or default settings at the time of factory shipment. The voice recognition unit may include a microphone and a voice recognition chip, or may include only a microphone and implement a voice recognition function by a timing controller of the display device. The voice for controlling the air conditioner can be set by the user according to actual needs in a self-defining way or by default when the user leaves a factory.
In application, the user equipment may be an electronic device having a wired or wireless communication function and capable of communicating with a display device, such as a remote controller, a line controller, a mobile phone, an intelligent bracelet, a tablet computer, a notebook computer, a netbook, a Personal Digital Assistant (PDA), and the like. The user can control the user equipment to send instructions to the display equipment in any man-machine interaction mode supported by the user equipment. The man-machine interaction mode supported by the user equipment may be the same as that of the display equipment, and is not described herein again.
According to the display signal processing method provided by the embodiment of the application, the charging time lengths of the pixels in different rows are the same, so that the display brightness of the pixels in different rows is the same, the brightness of the whole display picture is balanced, and the picture quality is improved;
the preset charging time is set to be longer than or equal to the duration of the rising edge of the clock signal before the spread spectrum processing, so that the horizontal stripe phenomenon of the display equipment can be eliminated, and the brightness of the picture displayed by the display equipment is normal; the preset charging time is set to be equal to the duration of the rising edge of the clock signal before the spread spectrum processing, so that the brightness of the picture displayed by the display equipment can be normal under the condition of ensuring that the refresh rate of the display equipment is not changed;
setting the preset charging time length to be greater than or equal to the minimum duration time length in the duration time lengths of the rising edges of the n clock signals after the spread spectrum processing, so that the brightness of the picture displayed by the display equipment is normal; the preset charging time is set to be equal to the minimum duration, so that the brightness of a picture displayed by the display equipment can be normal under the condition that the refresh rate of the display equipment is relatively higher;
the display signal processing speed of the whole display equipment can be effectively improved by setting the preset charging duration to be equal to any plurality of same durations in the duration durations of the rising edges of the n clock signals and then detecting and adjusting the first data control signals corresponding to the row pixels of which the duration durations of the rising edges of the clock signals are different from the preset charging duration, so that the refresh rate of the display equipment can be improved;
the preset charging time is set by manually inputting a charging time setting instruction by a user, and the display effect of the display picture can be adjusted according to the actual needs of the user.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
The fifth embodiment of the present application provides a display signal processing apparatus, which is applied to a display device, and the display signal processing apparatus is configured to execute the method steps in the foregoing display signal processing method embodiments. The display signal processing means may be a virtual appliance (virtual application) in the display device, operated by a timing controller of the display device, or may be the display device itself.
As shown in fig. 4, a display signal processing apparatus 100 according to a fifth embodiment of the present application includes:
the detection processing unit 101 is configured to adjust the first data control signal according to the clock signal to obtain a second data control signal, where a time difference between a start time of a falling edge of the second data control signal and an end time of a rising edge of the clock signal is equal to a preset charging duration;
a gate control unit 102 connected to the detection processing unit 101, for controlling the gate driver to output the scan signal according to the clock signal;
the source control unit 103 is connected to the detection processing unit 101 and configured to control the source driver to output a data signal according to a second data control signal, where a total duration of rising edges of the data signal is equal to a preset charging duration;
the clock signal, the first data control signal, the second data control signal, the scanning signal and the data signal correspond to the ith row of pixels, i is 1,2 and …, n is any positive integer.
In a sixth embodiment, the display signal processing apparatus further includes a charging duration determining unit, configured to determine a preset charging duration according to a duration of a rising edge of the clock signal corresponding to the n rows of pixels.
In a seventh embodiment, the display signal processing apparatus further includes a charging duration detection unit configured to detect whether a duration of a rising edge of the clock signal is equal to a preset charging duration.
In an eighth embodiment, the display signal processing apparatus further includes:
the receiving unit is used for receiving a charging duration setting instruction;
and the charging time setting unit is used for setting the preset charging time according to the charging time setting instruction.
In application, each unit in the display signal processing apparatus may be a software program unit, may also be implemented by different logic circuits integrated in the time schedule controller, and may also be implemented by a plurality of distributed processors, for example, the detection processing unit, the gate control unit, the source control unit, the charging duration determining unit, the charging duration detecting unit, and the charging duration setting unit may be implemented by a plurality of distributed processors, and the receiving unit may be implemented by a communication module.
As shown in fig. 5, a display device 200 provided in the embodiment of the present application includes: the display signal processing method comprises a timing controller 201, a memory 202 and a computer program 203 which is stored in the memory 202 and can run on the timing controller 201, wherein the steps in each embodiment of the display signal processing method are realized when the computer program 203 is executed by the timing controller 201.
In application, the display device may include, but is not limited to, a timing controller, a memory. Those skilled in the art will appreciate that fig. 5 is merely an example of a display device and is not intended to limit the display device and may include more or less components than those shown, or some components may be combined, or different components may be included, such as input output devices, network access devices, etc. The input and output devices may include the aforementioned human interaction devices. The network access device may include a communication module for the terminal device to communicate with the user terminal.
In Application, the timing controller may be implemented by a Processor, and the Processor may be a Central Processing Unit (CPU), and the Processor may also be other general processors, Digital Signal Processors (DSP), Application Specific Integrated Circuits (ASIC), Field-Programmable Gate arrays (FPGA) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, and the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
In an application, the memory may be an internal storage unit of the display device in some embodiments, for example, a hard disk or a memory of the display device. The memory may also be an external storage device of the display device in other embodiments, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), etc. provided on the display device. The memory may also include both an internal storage unit of the display device and an external storage device. The memory is used for storing an operating system, an application program, a Boot Loader (Boot Loader), data, and other programs, such as program codes of computer programs. The memory may also be used to temporarily store data that has been output or is to be output.
In application, the Communication unit may be configured as any device capable of performing wired or Wireless Communication with the client directly or indirectly according to actual needs, for example, the Communication unit may provide a solution for Communication applied to a network device, including Wireless Local Area Networks (WLANs) (such as Wi-Fi Networks), bluetooth, Zigbee, mobile Communication Networks, Global Navigation Satellite Systems (GNSS), Frequency Modulation (FM), Near Field Communication (NFC), Infrared technology (Infrared, IR), and the like. The communication unit may include an antenna, and the antenna may have only one array element, or may be an antenna array including a plurality of array elements. The communication unit can receive electromagnetic waves through the antenna, frequency-modulate and filter electromagnetic wave signals, and send the processed signals to the time schedule controller.
It should be noted that, for the information interaction, execution process, and other contents between the above-mentioned devices/units, the specific functions and technical effects thereof are based on the same concept as those of the embodiment of the method of the present application, and specific reference may be made to the part of the embodiment of the method, which is not described herein again.
It will be clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional units is merely illustrated, and in practical applications, the above function distribution may be performed by different functional units according to needs, that is, the internal structure of the device is divided into different functional units to perform all or part of the above described functions. Each functional unit in the embodiments may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit, and the integrated unit may be implemented in a form of hardware, or in a form of software functional unit. In addition, specific names of the functional units are only used for distinguishing one functional unit from another, and are not used for limiting the protection scope of the application. The specific working process of the units in the system may refer to the corresponding process in the foregoing method embodiment, and is not described herein again.
The embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored, and when the computer program is executed by the timing controller, the steps in the embodiments of the display signal processing method may be implemented.
Embodiments of the present application provide a computer program product, which when running on a display device, enables the display device to implement the steps in the above-described display signal processing method embodiments.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, all or part of the processes in the methods of the embodiments described above can be implemented by a computer program to instruct related hardware to complete, and the computer program can be stored in a computer readable storage medium, and when the computer program is executed by a timing controller, the steps of the embodiments of the methods described above can be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer readable medium may include at least: any entity or apparatus capable of carrying computer program code to a display device, recording medium, computer Memory, Read-Only Memory (ROM), Random-Access Memory (RAM), electrical carrier wave signals, telecommunications signals, and software distribution medium. Such as a usb-disk, a removable hard disk, a magnetic or optical disk, etc.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit is merely a logical division, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (10)
1. A display signal processing method, comprising:
adjusting a first data control signal according to a clock signal to obtain a second data control signal, wherein the time difference between the starting time of the falling edge of the second data control signal and the ending time of the rising edge of the clock signal is equal to a preset charging duration;
controlling a gate driver to output a scanning signal through the clock signal;
controlling a source electrode driver to output a data signal through the second data control signal, wherein the total duration of the rising edge of the data signal is equal to the preset charging duration;
wherein the clock signal, the first data control signal, the second data control signal, the scan signal, and the data signal correspond to an ith row of pixels, i is 1,2, …, n is any positive integer.
2. The display signal processing method according to claim 1, wherein the clock signal is a spread spectrum processed clock signal.
3. The display signal processing method according to claim 2, wherein n ≧ 2, durations of rising edges of at least 2 clock signals of the n clock signals corresponding to the n rows of pixels are different.
4. The display signal processing method of claim 3, wherein the adjusting the first data control signal according to the clock signal is preceded by:
and determining the preset charging time according to the duration of the rising edge of the clock signal corresponding to the n rows of pixels.
5. The display signal processing method according to claim 4, wherein the preset charging period is greater than or equal to a minimum duration of durations of rising edges of the clock signals corresponding to n rows of pixels before being subjected to the spread spectrum processing, or wherein the preset charging period is greater than or equal to a minimum duration of durations of rising edges of the clock signals corresponding to n rows of pixels after being subjected to the spread spectrum processing.
6. The display signal processing method according to any one of claims 1 to 5, wherein before adjusting the first data control signal according to the clock signal, comprising:
detecting whether the duration of the rising edge of the clock signal is equal to a preset charging duration or not;
the adjusting the first data control signal according to the clock signal includes:
and when the width of the rising edge of the clock signal is not equal to the preset charging time length, adjusting the first data control signal according to the clock signal.
7. The display signal processing method according to any one of claims 1 to 5, further comprising:
receiving a charging time setting instruction;
and setting the preset charging time according to the charging time setting instruction.
8. A timing controller, comprising:
the detection processing unit is used for adjusting a first data control signal according to a clock signal to obtain a second data control signal, and the time difference between the starting time of the falling edge of the second data control signal and the ending time of the rising edge of the clock signal is equal to the preset charging time;
the grid control unit is connected with the detection processing unit and is used for controlling the grid driver to output scanning signals through the clock signals;
the source electrode control unit is connected with the detection processing unit and used for controlling the source electrode driver to output a data signal through the second data control signal, and the total duration of the rising edge of the data signal is equal to the preset charging duration;
wherein the clock signal, the first data control signal, the second data control signal, the scan signal, and the data signal correspond to an ith row of pixels, i is 1,2, …, n is any positive integer.
9. A display device comprising a memory, a timing controller, and a computer program stored in the memory and executable on the timing controller, the timing controller implementing the steps of the display signal processing method according to any one of claims 1 to 7 when executing the computer program.
10. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program which, when executed by a timing controller, implements the steps of the display signal processing method according to any one of claims 1 to 7.
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