CN115512671A - Method, system, medium and equipment for automatically correcting information screen of liquid crystal display screen - Google Patents
Method, system, medium and equipment for automatically correcting information screen of liquid crystal display screen Download PDFInfo
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- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
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- 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
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Abstract
The invention relates to the technical field of electronic equipment, in particular to a method, a system, a medium and equipment for automatically correcting screen saver of a liquid crystal display screen. The scheme comprises the steps of obtaining a corrected measured value and a historical value of the liquid crystal display screen; setting a set of calibration data for temperature and time; setting an analysis time interval, and setting a temperature adjustment margin and a time adjustment margin corresponding to time; automatically checking the liquid crystal display screen to obtain a checking result of each screen-off state; extracting screen-off adjustment parameters according to the verification result; and according to the correction measured value, the history value and the correction data set, automatically adjusting the screen state by using the temperature adjustment margin and the time adjustment margin and combining the screen-off adjustment parameters. The scheme provides a self-adaptive screen display calibration method in a screen extinguishing state, and a dynamic self-adaptive adjustment method is formed by dividing the aging degrees of different areas of temperature test parameters in a screen display range, so that self-adaptive balanced screen display parameter adjustment is realized.
Description
Technical Field
The invention relates to the technical field of electronic equipment, in particular to a method, a system, a medium and equipment for automatically correcting screen information of a liquid crystal display screen.
Background
Liquid crystal screens are the most popular display devices at present, and are particularly used in computers and televisions. After the liquid crystal panel is used for a long time, color difference may occur due to temperature change and the like. In order to enable the liquid crystal screen to be displayed well, a user can modify parameters according to requirements under general conditions, so that the liquid crystal screen can obtain a better screen display effect.
Before the technology of the invention, the existing technology mainly realizes the modification of different liquid crystal screen displays by automatically checking colors after opening the screen, so that the saturation, the color temperature, the brightness and the contrast of colors are adjusted, but the adjustment of different time scales and different positions can not be carried out according to the characteristics of the actual screen, and the visual perception of a user is also not visual, so that the display parameters required by the user can not be really obtained.
Disclosure of Invention
In view of the above problems, the present invention provides a method, a system, a medium and a device for automatically calibrating a screen saver of a liquid crystal display, and provides a method for calibrating a screen saver of a liquid crystal display in a screen-off state, wherein a dynamic adaptive adjustment method is formed by dividing blocks of aging degrees of different areas for temperature test parameters in a screen display range, so as to realize adaptive adjustment of balanced screen display parameters.
According to the first aspect of the embodiment of the invention, the automatic correction method for the information of the liquid crystal display screen is provided.
In one or more embodiments, preferably, the method for automatically correcting a message screen of a liquid crystal display includes:
acquiring a corrected measured value and a historical value of the liquid crystal display screen;
setting a set of calibration data for temperature and time;
setting an analysis time interval, and setting a temperature adjustment margin and a time adjustment margin of corresponding time according to the analysis time interval;
automatically checking the liquid crystal display screen to obtain a checking result of each screen-off state;
extracting screen-off adjustment parameters according to the verification result;
and according to the correction measured value, the history value and the correction data set, utilizing the temperature adjustment margin and the time adjustment margin to combine with the information screen adjustment parameter to automatically adjust the screen state.
In one or more embodiments, preferably, the obtaining of the corrected measured value and the historical value of the liquid crystal display screen specifically includes:
setting temperature signals collected by optical fibers in different areas on a screen, and further generating temperature values corresponding to different positions each time as historical data;
after the power is switched on, recording the time length of the power on, and further recording different power on durations as historical values;
and acquiring the actual display image of the screen corresponding to each moment as a corrected actual measurement value.
In one or more embodiments, preferably, the setting of the correction data set of the temperature and the time specifically includes:
corresponding each temperature data and each time data to the correction measured value collected at the corresponding moment one by one;
and directly recording the corrected measured value of each point and each position, and recording the contrast, color temperature, brightness and saturation of the corresponding position at the corresponding moment.
In one or more embodiments, preferably, the setting of the analysis time interval and the setting of the temperature adjustment margin and the time adjustment margin at the corresponding time according to the analysis time interval specifically include:
setting an analysis time interval;
generating the temperature adjustment margin within each time interval period according to the analysis time interval;
and generating the time adjustment margin in each time interval time period according to the analysis time interval.
In one or more embodiments, preferably, the automatically verifying the liquid crystal display screen to obtain a verification result of each screen-off state specifically includes:
automatically setting a breath screen state monitoring module in the liquid crystal display screen;
and when the liquid crystal display screen is in the screen-off state, the screen-off state monitoring module sends a screen-off monitoring command and takes the screen-off monitoring command as a verification result of each screen-off state.
In one or more embodiments, preferably, the extracting of the screen saver adjustment parameter according to the verification result specifically includes:
after the check result is obtained, the last screen-off adjustment parameter stored in the liquid crystal display screen is automatically called;
and if the last screen-turning adjustment parameter stored in the liquid crystal display screen is not required to be adjusted, not adjusting.
In one or more embodiments, preferably, the performing, according to the corrected actual measurement value, the historical value, and the corrected data set, an automatic screen state adjustment by using the temperature adjustment margin and the time adjustment margin in combination with the screen-off adjustment parameter specifically includes:
acquiring a color temperature initial value, a saturation initial value, a brightness initial value and a contrast initial value, and calculating a color temperature correction calculation value, a saturation correction calculation value, a brightness correction calculation value and a contrast correction calculation value by using a first calculation formula;
acquiring the correction data set, and calculating a first correction coefficient target value, a second correction coefficient target value, a third correction coefficient target value, a fourth correction coefficient target value, a first attenuation ratio target value, a second attenuation ratio target value, a third attenuation ratio target value and a fourth attenuation ratio target value by using a second calculation formula;
calculating a color temperature correction target value, a saturation correction target value, a brightness correction target value and a contrast correction target value by using a third calculation formula;
calculating a temperature integral by using a fourth calculation formula;
judging whether an area meets a fifth calculation formula or not, and if so, updating the color temperature correction target value, the saturation correction target value, the brightness correction target value and the contrast correction target value in the breath screen state;
judging whether a sixth calculation formula is met, and if so, updating the color temperature correction target value, the saturation correction target value, the brightness correction target value and the contrast correction target value in the breath screen state;
the first calculation formula is:
wherein, W S Calculated value for color temperature correction, B S Correction of the calculated value for saturation, L S To correct the calculated value for brightness, D S Calculated value for contrast correction, K 1 Is a first correction factor, K 2 As a second correction factor, K 3 Is the third correction coefficient, K 4 Is a fourth correction coefficient, G 1 Is a first attenuation ratio, G 2 At a second attenuation ratio, G 3 Is a third attenuation ratio, G 4 Is a fourth attenuation ratio, T is the running time, W 0 Is an initial value of color temperature, B 0 Is an initial value of saturation, L 0 Is an initial value of brightness, D 0 The contrast initial value is P, the temperature integral is P, and a is an attenuation coefficient;
the second calculation formula is:
wherein, delta K 1 Is a first correction coefficient target value,. DELTA.K 2 For the second correction coefficient target value,. DELTA.K 3 Is a third correction coefficient target value,. DELTA.K 4 Is a fourth correction coefficient target value,. DELTA.G 1 Is a first attenuation ratio target value, Δ G 2 Is a second attenuation ratio target value, Δ G 3 Is the third attenuation ratio target value, Δ G 4 For the fourth attenuation ratio target value, TEST is the correction data set, W i Calculated for the ith color temperature correction, B i Corrected calculated value for the ith saturation, L i Calculated for the ith luminance correction, D i Calculated for the ith contrast correction, W iY Correcting the measured value for the ith color temperature, B iY Correcting the measured value for the ith saturation, L iY Correcting the measured value for the ith luminance, D iY Correcting the measured value for the ith contrast;
the third calculation formula is:
wherein, GW S Correction of target value for color temperature, GB S Correcting the target value for saturation, GL S Correcting the target value for brightness, GD S Correcting the target value for the contrast;
the fourth calculation formula is:
wherein T is the real-time temperature, Δ T is the analysis time interval, and ts is the current time;
the fifth calculation formula is:
P t -P test ＞PY
wherein, P test The temperature integral at the last screen-off adjustment time is represented by PY which is the temperature adjustment margin P t The temperature at the current moment;
the sixth calculation formula is:
T t -T test >TY
wherein, T test Adjusting the time of the moment for the last screen blanking, TY being the time adjustment margin, T t The time of the current time.
According to a second aspect of the embodiments of the present invention, an automatic correction system for information of a liquid crystal display is provided.
In one or more embodiments, preferably, the system for automatically correcting a liquid crystal display information screen comprises:
the history analysis module is used for obtaining a corrected measured value and a history value of the liquid crystal display screen;
the history marking module is used for setting a correction data set of temperature and time;
the margin adjusting module is used for setting an analysis time interval and setting a temperature adjusting margin and a time adjusting margin of corresponding time according to the analysis time interval;
the state extraction module is used for automatically verifying the liquid crystal display screen to obtain a verification result of each screen-off state;
the parameter extraction module is used for extracting information screen adjustment parameters according to the verification result;
and the parameter proofreading module is used for automatically adjusting the screen state by combining the temperature adjustment margin and the time adjustment margin with the screen-off adjustment parameter according to the correction measured value, the history value and the correction data set.
According to a third aspect of embodiments of the present invention, there is provided a computer-readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the method according to any one of the first aspect of embodiments of the present invention.
According to a fourth aspect of embodiments of the present invention, there is provided an electronic device, comprising a memory and a processor, the memory being configured to store one or more computer program instructions, wherein the one or more computer program instructions are executed by the processor to implement the method of any one of the first aspect of embodiments of the present invention.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
the scheme of the invention realizes the simulation of the temperature of the subareas, and further adaptively adjusts the screen display parameters of the corresponding areas according to the simulation.
According to the scheme of the invention, the influence of aging and temperature on the state of the screen display is reduced by integrally adjusting different time periods.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
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 embodiments will be briefly introduced below, and it is obvious 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 to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a flowchart of a method for automatically correcting the information of a liquid crystal display according to an embodiment of the present invention.
Fig. 2 is a flowchart for obtaining a corrected measured value and a history value of a liquid crystal display in an automatic correction method for information of a liquid crystal display according to an embodiment of the present invention.
Fig. 3 is a flowchart of a correction data set for setting temperature and time in an automatic correction method for a rest screen of a liquid crystal display according to an embodiment of the present invention.
Fig. 4 is a flowchart of setting an analysis time interval, and setting a temperature adjustment margin and a time adjustment margin for a corresponding time according to the analysis time interval in the method for automatically correcting the screen saver of the liquid crystal display according to an embodiment of the present invention.
Fig. 5 is a flowchart of automatically verifying the lcd screen to obtain a verification result of each screen-off state in the method for automatically correcting the information of the lcd screen according to an embodiment of the present invention.
Fig. 6 is a flowchart of extracting a screen saver adjustment parameter according to the verification result in the method for automatically correcting the screen saver of the liquid crystal display according to an embodiment of the present invention.
Fig. 7 is a flowchart of an automatic correction method for screen-turning of a liquid crystal display according to an embodiment of the present invention, wherein the automatic screen state adjustment is performed by using the temperature adjustment margin and the time adjustment margin in combination with the screen-turning adjustment parameter according to the actual correction value, the history value, and the correction data set.
Fig. 8 is a structural diagram of an automatic correction system for information of a liquid crystal display according to an embodiment of the present invention.
Fig. 9 is a block diagram of an electronic device in one embodiment of the invention.
Detailed Description
In some of the flows described in the present specification and claims and in the above figures, a number of operations are included that occur in a particular order, but it should be clearly understood that these operations may be performed out of order or in parallel as they occur herein, with the order of the operations being indicated as 101, 102, etc. merely to distinguish between the various operations, and the order of the operations by themselves does not represent any order of performance. Additionally, the flows may include more or fewer operations, and the operations may be performed sequentially or in parallel. It should be noted that, the descriptions of "first", "second", etc. in this document are used for distinguishing different messages, devices, modules, etc., and do not represent a sequential order, nor limit the types of "first" and "second" to be different.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Liquid crystal screens are the most popular display devices at present, and are particularly used in computers and televisions. After the liquid crystal panel is used for a long time, color difference may occur due to temperature change and the like. In order to enable the liquid crystal display to be displayed well, a user can modify parameters according to requirements under general conditions, so that the liquid crystal display can obtain a better screen display effect.
Before the technology of the invention, the existing technology mainly realizes the modification of different liquid crystal screen displays by automatically checking colors after opening the screen, so that the saturation, the color temperature, the brightness and the contrast of colors are adjusted, but the adjustment of different time scales and different positions can not be carried out according to the characteristics of the actual screen, and the visual perception of a user is also not visual, so that the display parameters required by the user can not be really obtained.
The embodiment of the invention provides a method, a system, a medium and equipment for automatically correcting screen information of a liquid crystal display screen. The scheme provides a self-adaptive screen display verification method in a screen extinguishing state, and a dynamic self-adaptive adjusting method is formed by carrying out block division on the aging degrees of different areas on temperature test parameters in a screen display range, so that self-adaptive balanced screen display parameter adjustment is realized.
According to the first aspect of the embodiment of the invention, the automatic correction method for the information of the liquid crystal display screen is provided.
Fig. 1 is a flowchart of a method for automatically correcting the information of a liquid crystal display according to an embodiment of the present invention.
In one or more embodiments, preferably, the method for automatically correcting a message screen of a liquid crystal display includes:
s101, acquiring a corrected measured value and a historical value of the liquid crystal display screen;
s102, setting a correction data set of temperature and time;
s103, setting an analysis time interval, and setting a temperature adjustment margin and a time adjustment margin of corresponding time according to the analysis time interval;
s104, automatically checking the liquid crystal display screen to obtain a checking result of each screen-off state;
s105, extracting screen-off adjustment parameters according to the verification result;
and S106, according to the correction measured value, the history value and the correction data set, utilizing the temperature adjustment margin and the time adjustment margin to combine with the screen-off adjustment parameter to automatically adjust the screen state.
In the embodiment of the invention, the historical data of the liquid crystal display screens are automatically collected, the data are corrected in advance or at different temperatures and time, the parameter training is further carried out, and the dynamic parameter adjustment of each liquid crystal display screen in the breath screen state is realized in the online state modification according to the training and the combination of the running time and the parameter condition of each time.
Fig. 2 is a flowchart of obtaining a corrected measured value and a historical value of a liquid crystal display in an automatic correction method for information of the liquid crystal display according to an embodiment of the present invention.
As shown in fig. 2, in one or more embodiments, preferably, the obtaining of the corrected measured value and the historical value of the liquid crystal display screen specifically includes:
s201, setting temperature signals collected by optical fibers in different areas on a screen, and further generating temperature values corresponding to different positions each time as historical data;
s202, after the power is switched on, recording the time length of the power, and further recording different power-on durations as historical values;
and S203, acquiring an actual display image of the screen corresponding to each moment as a correction measured value.
In the embodiment of the present invention, in order to perform real-time online analysis of the liquid crystal display, historical data needs to be obtained, and in the obtaining process, the temperature on the chip at each corresponding position and the time at the corresponding time need to be acquired in real time.
Fig. 3 is a flowchart of a correction data set for setting temperature and time in an automatic correction method for a rest screen of a liquid crystal display according to an embodiment of the present invention.
As shown in fig. 3, in one or more embodiments, preferably, the setting of the correction data set of temperature and time specifically includes:
s301, corresponding each temperature data and each time data to the correction measured values collected at the corresponding moment one by one;
s302, directly recording the correction measured value of each point and each position, and recording the contrast, color temperature, brightness and saturation of the corresponding position at the corresponding moment.
In an embodiment of the present invention, the parameters generated at different times and temperatures, which include contrast, color temperature, brightness and saturation, are determined by displaying the same image at different running times and different temperatures, and the data form a correction data set.
Fig. 4 is a flowchart for setting an analysis time interval and setting a temperature adjustment margin and a time adjustment margin corresponding to the time according to the analysis time interval in the method for automatically correcting the information of the lcd according to an embodiment of the present invention.
As shown in fig. 4, in one or more embodiments, preferably, the setting an analysis time interval, and the setting a temperature adjustment margin and a time adjustment margin at a corresponding time according to the analysis time interval specifically includes:
s401, setting an analysis time interval;
s402, generating the temperature adjustment margin in each time interval time period according to the analysis time interval;
and S403, generating the time adjustment margin in each time interval time period according to the analysis time interval.
In the embodiment of the invention, in order to perform online automatic analysis, an analysis time interval is set for each moment, and when the corresponding temperature adjustment margin and time adjustment margin exist in the corresponding time interval, preset dynamic control is realized.
Fig. 5 is a flowchart of automatically verifying the lcd to obtain a verification result of each off state in the method for automatically correcting the information of the lcd according to an embodiment of the present invention.
As shown in fig. 5, in one or more embodiments, preferably, the automatically verifying the liquid crystal display screen to obtain a verification result of each off-screen state includes:
s501, automatically setting a breath screen state monitoring module in the liquid crystal display screen;
s502, when the liquid crystal display screen is in the screen-off state, the screen-off state monitoring module sends out a screen-off monitoring command and the command is used as a verification result of each screen-off state.
In the embodiment of the invention, in order to automatically adjust the screen-off state, the screen-off state needs to be analyzed periodically, so that a corresponding detection template is arranged in the display, and the module sends out a verification result when the current screen is in the screen-off state.
Fig. 6 is a flowchart of extracting a rest screen adjustment parameter according to the verification result in the method for automatically correcting a rest screen of a liquid crystal display according to an embodiment of the present invention.
As shown in fig. 6, in one or more embodiments, preferably, the extracting of the screenplay adjustment parameter according to the verification result specifically includes:
s601, after the check result is obtained, the last screen-rest adjusting parameter stored in the liquid crystal display screen is automatically called;
and S602, if the last screen-turning adjustment parameter stored in the liquid crystal display screen is not required to be adjusted, not adjusting.
In the embodiment of the present invention, in order to realize automatic screen-turning parameter adjustment, it is necessary to first extract preset screen-turning adjustment parameters, but these parameters are not necessarily correct parameters, and it is necessary to perform judgment next, and if no modification is required, the current parameters are directly used.
Fig. 7 is a flowchart of performing automatic screen state adjustment by using the temperature adjustment margin and the time adjustment margin in combination with the screen-off adjustment parameter according to the actual correction value, the history value, and the correction data set in the method for automatically correcting screen off of a liquid crystal display according to an embodiment of the present invention.
As shown in fig. 7, in one or more embodiments, preferably, the performing, according to the corrected actual measurement value, the historical value, and the corrected data set, an automatic screen state adjustment by using the temperature adjustment margin and the time adjustment margin in combination with the screen saver adjustment parameter specifically includes:
s701, acquiring a color temperature initial value, a saturation initial value, a brightness initial value and a contrast initial value, and calculating a color temperature correction calculation value, a saturation correction calculation value, a brightness correction calculation value and a contrast correction calculation value by using a first calculation formula;
s702, acquiring the correction data set, and calculating a first correction coefficient target value, a second correction coefficient target value, a third correction coefficient target value, a fourth correction coefficient target value, a first attenuation ratio target value, a second attenuation ratio target value, a third attenuation ratio target value and a fourth attenuation ratio target value by using a second calculation formula;
s703, calculating a color temperature correction target value, a saturation correction target value, a brightness correction target value and a contrast correction target value by using a third calculation formula;
s704, calculating a temperature integral by using a fourth calculation formula;
s705, judging whether an area meets a fifth calculation formula, and if so, updating a color temperature correction target value, a saturation correction target value, a brightness correction target value and a contrast correction target value in a breath screen state;
s706, judging whether a sixth calculation formula is met, and if so, updating the color temperature correction target value, the saturation correction target value, the brightness correction target value and the contrast correction target value in the breath screen state;
the first calculation formula is:
wherein, W S Calculated value for color temperature correction, B S To correct the calculated value for saturation, L S Calculated for brightness correction, D S Calculated value for contrast correction, K 1 Is a first correction factor, K 2 As a second correction factor, K 3 Is the third correction coefficient, K 4 Is a fourth correction coefficient, G 1 Is a first attenuation ratio, G 2 Is a second attenuation ratio, G 3 Is a third attenuation ratio, G 4 Is a fourth attenuation ratio, T is the running time, W 0 Is an initial value of color temperature, B 0 Is an initial value of saturation, L 0 Is an initial value of brightness, D 0 The initial value of the contrast is P, the temperature integral is P, and a is an attenuation coefficient;
the second calculation formula is:
wherein, Δ K 1 Is a first correction coefficient target value,. DELTA.K 2 For a second correction factor target value,. DELTA.K 3 Is a third correction coefficient target value,. DELTA.K 4 Is a fourth correction coefficient target value,. DELTA.G 1 Is a first attenuation ratio target value, Δ G 2 Is a second attenuation ratio target value, Δ G 3 Is the third attenuation ratio target value, Δ G 4 For the fourth attenuation ratio target value, TEST is the correction data set, W i Calculated for the ith color temperature correction, B i Corrected calculation value for the ith saturation, L i Calculated for the ith luminance correction, D i Calculated for the ith contrast correction, W iY Correcting the measured value for the ith color temperature, B iY Correcting the measured value for the ith saturation, L iY For the i-th brightness correction of the measured value, D iY Correcting the measured value for the ith contrast;
the third calculation formula is:
among them, GW S Correction of target value for color temperature, GB S Correcting the target value for saturation, GL S Correcting the target value for brightness, GD S Correcting the target value for the contrast;
the fourth calculation formula is:
wherein T is the real-time temperature, Δ T is the analysis time interval, and ts is the current time;
the fifth calculation formula is:
P t -P test ＞PY
wherein, P test The temperature integral at the last screen-off adjustment moment is represented by PY which is the temperature adjustment margin P t The temperature at the current moment;
the sixth calculation formula is:
T t -T test >TY
wherein, T test Adjusting the time of the moment for the last screen-off, TY being the time adjustment margin, T t The time of the current time.
In the embodiment of the invention, the corresponding time adjustment margin and the temperature adjustment margin are combined to automatically adjust the parameters, the adjustment process comprises the integral time adjustment on the one hand and the adjustment of the regional fifth calculation formula on the other hand, the temperature integral is obtained by combining the fourth calculation formula to complete the real-time state analysis, and the current target state is adjusted by utilizing the third calculation formula, so that the screen display effect is optimal in a high-efficiency and reliable manner, and the vision of people is not influenced.
According to a second aspect of the embodiments of the present invention, an automatic correction system for information of a liquid crystal display is provided.
Fig. 8 is a structural diagram of an automatic correction system for information of a liquid crystal display screen according to an embodiment of the present invention.
In one or more embodiments, preferably, the system for automatically correcting a liquid crystal display screen news includes:
a history analysis module 801, configured to obtain a corrected actual measurement value and a history value of the liquid crystal display;
a history flag module 802 for setting a set of correction data for temperature and time;
a margin adjustment module 803, configured to set an analysis time interval, and set a temperature adjustment margin and a time adjustment margin at a corresponding time according to the analysis time interval;
the state extraction module 804 is configured to perform automatic verification on the liquid crystal display screen to obtain a verification result of each screen-off state;
a parameter extraction module 805, configured to extract a screen-off adjustment parameter according to the verification result;
a parameter calibration module 806, configured to perform automatic screen state adjustment according to the calibration actual measurement value, the historical value, and the calibration data set by using the temperature adjustment margin and the time adjustment margin in combination with the screen-off adjustment parameter.
In the embodiment of the invention, through the modular design, the high-efficiency execution on different systems is realized, and the whole liquid crystal display system can be automatically and efficiently realized in any area.
According to a third aspect of embodiments of the present invention, there is provided a computer-readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the method according to any one of the first aspect of embodiments of the present invention.
According to a fourth aspect of the embodiments of the present invention, there is provided an electronic apparatus. Fig. 9 is a block diagram of an electronic device in one embodiment of the invention. The electronic device shown in fig. 9 is a general display screen auto-calibration apparatus, which includes a general computer hardware structure, which includes at least a processor 901 and a memory 902. The processor 901 and the memory 902 are connected by a bus 903. The memory 902 is adapted to store instructions or programs executable by the processor 901. Processor 901 may be a stand-alone microprocessor or a collection of one or more microprocessors. Thus, the processor 901 implements the processing of data and the control of other devices by executing instructions stored by the memory 902 to thereby perform the method flows of embodiments of the invention as described above. The bus 903 connects the above components together, as well as to the display controller 904 and display devices and input/output (I/O) devices 905. Input/output (I/O) device 905 may be a mouse, keyboard, modem, network interface, touch input device, motion sensitive input device, printer, and other devices known in the art. Typically, the input/output devices 905 are connected to the system through an input/output (I/O) controller 906.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
the scheme of the invention realizes the regional temperature simulation, and further adaptively adjusts the screen display parameters of the corresponding region according to the simulation.
According to the scheme of the invention, the influence of aging and temperature on the state of the screen display is reduced by integrally adjusting different time periods.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A method for automatically correcting the screen turning of a liquid crystal display screen is characterized by comprising the following steps:
acquiring a corrected measured value and a historical value of the liquid crystal display screen;
setting a set of calibration data for temperature and time;
setting an analysis time interval, and setting a temperature adjustment margin and a time adjustment margin of corresponding time according to the analysis time interval;
automatically checking the liquid crystal display screen to obtain a checking result of each screen-off state;
extracting screen-off adjustment parameters according to the verification result;
and according to the correction measured value, the history value and the correction data set, utilizing the temperature adjustment margin and the time adjustment margin to combine with the information screen adjustment parameter to automatically adjust the screen state.
2. The method according to claim 1, wherein the obtaining of the corrected measured value and the historical value of the lcd specifically comprises:
setting temperature signals collected by optical fibers in different areas on a screen, and further generating temperature values corresponding to different positions each time as historical data;
after the power is switched on, recording the time length of the power-on, and further recording different power-on time lengths as historical values;
and acquiring an actual display image of the screen corresponding to each moment as a correction measured value.
3. The method for automatically correcting the information of the liquid crystal display screen according to claim 1, wherein the set of correction data for setting the temperature and the time specifically comprises:
corresponding each temperature data and each time data to the correction measured value collected at the corresponding moment one by one;
and directly recording the corrected measured value of each point and each position, and recording the contrast, color temperature, brightness and saturation of the corresponding position at the corresponding moment.
4. The method for automatically correcting the information of the liquid crystal display screen according to claim 1, wherein the setting of the analysis time interval and the setting of the temperature adjustment margin and the time adjustment margin of the corresponding time according to the analysis time interval specifically comprise:
setting an analysis time interval;
generating the temperature adjustment margin within each time interval period according to the analysis time interval;
generating the time adjustment margin within each time interval period according to the analysis time interval.
5. The method for automatically correcting the screen saver of the liquid crystal display screen according to claim 1, wherein the automatically verifying the liquid crystal display screen to obtain the verification result of each screen-off state specifically comprises:
automatically setting a message screen state monitoring module in the liquid crystal display screen;
and when the liquid crystal display screen is in the screen-off state, the screen-off state monitoring module sends a screen-off monitoring command as a verification result of each screen-off state.
6. The method for automatically correcting the screen saver of the liquid crystal display screen according to claim 1, wherein the extracting of the screen saver adjustment parameter according to the verification result specifically comprises:
after the check result is obtained, the last screen-off adjustment parameter stored in the liquid crystal display screen is automatically called;
and if the last screen-turning adjustment parameter stored in the liquid crystal display screen does not need to be adjusted, not adjusting.
7. The method according to claim 1, wherein the automatically adjusting the screen state by using the temperature adjustment margin and the time adjustment margin in combination with the screen-off adjustment parameter according to the actual measurement value, the history value, and the correction data set comprises:
acquiring a color temperature initial value, a saturation initial value, a brightness initial value and a contrast initial value, and calculating a color temperature correction calculation value, a saturation correction calculation value, a brightness correction calculation value and a contrast correction calculation value by using a first calculation formula;
acquiring the correction data set, and calculating a first correction coefficient target value, a second correction coefficient target value, a third correction coefficient target value, a fourth correction coefficient target value, a first attenuation ratio target value, a second attenuation ratio target value, a third attenuation ratio target value and a fourth attenuation ratio target value by using a second calculation formula;
calculating a color temperature correction target value, a saturation correction target value, a brightness correction target value and a contrast correction target value by using a third calculation formula;
calculating a temperature integral by using a fourth calculation formula;
judging whether an area meets a fifth calculation formula, and if so, updating the color temperature correction target value, the saturation correction target value, the brightness correction target value and the contrast correction target value in a breath screen state;
judging whether a sixth calculation formula is met, and if so, updating the color temperature correction target value, the saturation correction target value, the brightness correction target value and the contrast correction target value in the breath screen state;
the first calculation formula is:
wherein, W S Calculated value for color temperature correction, B S To correct the calculated value for saturation, L S Calculated for brightness correction, D S Calculated value for contrast correction, K 1 Is a first correction coefficient, K 2 As a second correction factor, K 3 Is the third correction coefficient, K 4 Is a fourth correction coefficient, G 1 Is a first attenuation ratio, G 2 Is a second attenuation ratio, G 3 Is a third attenuation ratio, G 4 Is a fourth attenuation ratio, T is a running time, W 0 Is an initial value of color temperature, B 0 Is an initial value of saturation, L 0 Is an initial value of brightness, D 0 The contrast initial value is P, the temperature integral is P, and a is an attenuation coefficient;
the second calculation formula is:
wherein, delta K 1 Is a first correction coefficient target value,. DELTA.K 2 For the second correction coefficient target value,. DELTA.K 3 Is a third correction coefficient target value,. DELTA.K 4 Is a fourth correction coefficient target value,. DELTA.G 1 Is a first attenuation ratio target value, Δ G 2 Is the second attenuation ratio target value, Δ G 3 Is the third attenuation ratio target value, Δ G 4 For the fourth attenuation ratio target value, TEST is the correction data set, W i Corrected calculated value for ith color temperature, B i Corrected calculated value for the ith saturation, L i Calculated for the ith luminance correction, D i Calculated for the ith contrast correction, W iY Correcting the measured value for the ith color temperature, B iY Correcting the measured value for the ith saturation, L iY For the i-th brightness correction of the measured value, D iY Correcting the measured value for the ith contrast;
the third calculation formula is:
wherein, GW S Correction of target value for color temperature, GB S Correcting target value for saturation, GL S Correcting the target value for brightness, GD S Correcting the target value for the contrast;
the fourth calculation formula is:
wherein T is the real-time temperature, Δ T is the analysis time interval, and ts is the current time;
the fifth calculation formula is:
P t -P test ＞PY
wherein, P test The temperature integral at the last screen-off adjustment time is represented by PY which is the temperature adjustment margin P t Is the temperature at the current moment;
the sixth calculation formula is:
T t -T test >TY
wherein, T test Adjusting the time of the moment for the last screen-off, TY being the time adjustment margin, T t The time of the current moment.
8. An automatic correction system for the rest of a liquid crystal display, characterized in that it is adapted to implement the method according to any one of claims 1 to 7, and in that it comprises:
the history analysis module is used for obtaining a corrected measured value and a history value of the liquid crystal display screen;
the history marking module is used for setting a correction data set of temperature and time;
the margin adjusting module is used for setting an analysis time interval and setting a temperature adjusting margin and a time adjusting margin of corresponding time according to the analysis time interval;
the state extraction module is used for automatically verifying the liquid crystal display screen to obtain a verification result of each screen-off state;
the parameter extraction module is used for extracting information screen adjustment parameters according to the verification result;
and the parameter correcting module is used for automatically adjusting the screen state by combining the temperature adjusting margin and the time adjusting margin with the screen turning adjusting parameter according to the actual correcting value, the historical correcting value and the correcting data set.
9. A computer-readable storage medium on which computer program instructions are stored, which, when executed by a processor, implement the method of any one of claims 1-7.
10. An electronic device comprising a memory and a processor, wherein the memory is configured to store one or more computer program instructions, wherein the one or more computer program instructions are executed by the processor to implement the method of any of claims 1-7.
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| CN117690395A (en) * | 2024-02-02 | 2024-03-12 | 深圳鸿晟达光电科技有限公司 | Automatic induction control method for brightness of interactive display screen |
| CN117690395B (en) * | 2024-02-02 | 2024-04-05 | 深圳鸿晟达光电科技有限公司 | Automatic induction control method for brightness of interactive display screen |
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