CN109461409A - Screen display method and device - Google Patents
Screen display method and device Download PDFInfo
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- CN109461409A CN109461409A CN201811286561.7A CN201811286561A CN109461409A CN 109461409 A CN109461409 A CN 109461409A CN 201811286561 A CN201811286561 A CN 201811286561A CN 109461409 A CN109461409 A CN 109461409A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—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 using controlled light sources
- G09G3/30—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 using controlled light sources using electroluminescent panels
- G09G3/32—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
Abstract
The disclosure is directed to a kind of screen display method and devices, belong to field of terminal technology.The described method includes: obtaining maximum brightness value of the screen under specified requirements；According to maximum brightness value and initial luma values, the object brightness difference of screen is determined；Corresponding relationship between luminance difference according to the pre-stored data and chroma difference determines the corresponding target colorimetric difference of object brightness difference；According to target colorimetric difference, the chromatic value of each pixel on screen is compensated；Screen is carried out based on the compensated chromatic value of each pixel to show.The object brightness difference that the disclosure passes through acquisition screen, and according to the corresponding relationship between luminance difference and chroma difference, obtain the corresponding target colorimetric difference of object brightness difference, it is compensated based on chromatic value of the target colorimetric difference to each pixel, and then screen is carried out according to the compensated chromatic value of each pixel and is shown.Using this kind of mode the coloration of screen is consistent, improves display effect.
Description
Technical field
This disclosure relates to field of terminal technology more particularly to a kind of screen display method and device.
Background technique
It is limited to manufacturing process, and AMOLED (Active-Matrix Organic Light-Emitting Diode, it is active
Matrix/organic light emitting diode (AMOLED)) with the increase of screen lighting time, the efficiency of luminescent material can be declined screen, so that screen
Curtain brightness decay, the white pixel point colour changed into yellow on screen cause AMOLED screen coloration consistency poor.
However, at present generally can only be before AMOLED screen factory, using special optical alignment equipment to AMOLED screen
Curtain is calibrated, and can not be calibrated to AMOLED screen in AMOLED screen use process, as AMOLED screen uses
The extension of time, Showing Effectiveness On Screen is worse and worse.Therefore, in order to improve the display effect of AMOLED screen, a kind of screen is needed
Curtain display methods.
Summary of the invention
The disclosure provides a kind of screen display method and device.
According to the first aspect of the embodiments of the present disclosure, a kind of screen display method is provided, which comprises
Obtain maximum brightness value of the screen under specified requirements；
According to the maximum brightness value and initial luma values, the object brightness difference of the screen is determined, it is described initial bright
Angle value is the preceding maximum brightness value got in a calibration process of screen factory；
Corresponding relationship between luminance difference according to the pre-stored data and chroma difference determines the object brightness difference pair
The target colorimetric difference answered；
According to the target colorimetric difference, the chromatic value of each pixel on the screen is compensated；
Screen is carried out based on the compensated chromatic value of each pixel to show.
In another embodiment of the disclosure, the maximum brightness value for obtaining screen under specified requirements, comprising:
Obtain the brightness value when screen shows completely black picture；
If the screen shows that brightness value when completely black picture is less than or equal to default value, obtains the screen and show entirely
Brightness value when white picture, and the brightness value when screen to show to complete white picture is as the maximum brightness value.
In another embodiment of the disclosure, the corresponding relationship between the luminance difference and chroma difference includes brightness
Corresponding relationship and luminance difference between difference and the difference of the first chromatic component and pair between the difference of the second chromatic component
It should be related to；
Corresponding relationship between the luminance difference according to the pre-stored data and chroma difference determines that the object brightness is poor
It is worth corresponding target colorimetric difference, comprising:
According to the corresponding relationship between the luminance difference and the difference of the first chromatic component, determine that the object brightness is poor
It is worth the target difference of corresponding first chromatic component；
According to the corresponding relationship between the luminance difference and the difference of the second chromatic component, determine that the object brightness is poor
It is worth the target difference of corresponding second chromatic component；
According to the target difference of the target difference of first chromatic component and second chromatic component, the mesh is determined
Mark the corresponding target colorimetric difference of luminance difference.
It is described according to the target colorimetric difference in another embodiment of the disclosure, to each of on the screen
The chromatic value of pixel compensates, comprising:
Obtain the corresponding relationship between pre-stored chroma difference and the RGB ratio value of pixel；
According to the corresponding relationship between the chroma difference and the RGB ratio value of pixel, determine that the target colorimetric is poor
It is worth the RGB ratio value of corresponding pixel；
According to the RGB ratio value of the corresponding pixel of the target colorimetric difference, to each pixel on the screen
Chromatic value compensate.
In another embodiment of the disclosure, the corresponding relationship between the luminance difference and chroma difference includes brightness
Corresponding relationship between difference and colour temperature difference；
Corresponding relationship between the luminance difference according to the pre-stored data and chroma difference determines that the object brightness is poor
It is worth corresponding target colorimetric difference, comprising:
According to the corresponding relationship between the luminance difference and colour temperature difference, the corresponding mesh of the object brightness difference is determined
Mark colour temperature difference.
It is described according to the target colorimetric difference in another embodiment of the disclosure, to each of on the screen
The chromatic value of pixel compensates, comprising:
Obtain the corresponding relationship between pre-stored colour temperature difference and register value；
According to the corresponding relationship between the colour temperature difference and register value, determine that the corresponding target of aim colour temperature difference is posted
Storage value；
According to the target register values, by adjusting the current value of the screen, to each pixel on the screen
The chromatic value of point compensates.
In another embodiment of the disclosure, the method also includes:
Obtain the corresponding relationship between pre-stored luminance difference and current differential；
According to the corresponding relationship between the luminance difference and current differential, the corresponding mesh of the object brightness difference is determined
Mark current differential；
According to the target current difference, the current value of the screen is adjusted, to realize to the brightness value of the screen
It adjusts.
According to the second aspect of an embodiment of the present disclosure, a kind of screen display device is provided, described device includes:
Module is obtained, for obtaining maximum brightness value of the screen under specified requirements；
Determining module, for determining that the object brightness of the screen is poor according to the maximum brightness value and initial luma values
Value, the initial luma values are the preceding maximum brightness value got in a calibration process of screen factory；
The determining module is determined for the corresponding relationship between luminance difference according to the pre-stored data and chroma difference
The corresponding target colorimetric difference of the object brightness difference；
Compensating module, for according to the target colorimetric difference, to the chromatic value of each pixel on the screen into
Row compensation；
Display module is shown for carrying out screen based on the compensated chromatic value of each pixel.
In another embodiment of the disclosure, the acquisition module, when showing completely black picture for obtaining the screen
Brightness value；If the screen shows that brightness value when completely black picture is less than or equal to default value, obtains the screen and show
Brightness value when complete white picture, and brightness value when screen show to white picture entirely is as the maximum brightness value.
In another embodiment of the disclosure, the corresponding relationship between the luminance difference and chroma difference includes bright
Spend the corresponding relationship between difference and the difference of the first chromatic component and between luminance difference and the difference of the second chromatic component
Corresponding relationship；
The determining module, for according to the corresponding relationship between the luminance difference and the difference of the first chromatic component,
Determine the target difference of corresponding first chromatic component of the object brightness difference；According to the luminance difference and the second coloration point
Corresponding relationship between the difference of amount determines the target difference of corresponding second chromatic component of the object brightness difference；According to
The target difference of the target difference of first chromatic component and second chromatic component determines the object brightness difference pair
The target colorimetric difference answered.
In another embodiment of the disclosure, the compensating module, for obtaining pre-stored chroma difference and picture
Corresponding relationship between the RGB ratio value of vegetarian refreshments；According to the corresponding pass between the chroma difference and the RGB ratio value of pixel
System, determines the RGB ratio value of the corresponding pixel of the target colorimetric difference；According to the corresponding pixel of the target colorimetric difference
The RGB ratio value of point, compensates the chromatic value of each pixel on the screen.
In another embodiment of the disclosure, the corresponding relationship between the luminance difference and chroma difference includes brightness
Corresponding relationship between difference and colour temperature difference；
The determining module, for determining the mesh according to the corresponding relationship between the luminance difference and colour temperature difference
Mark the corresponding aim colour temperature difference of luminance difference.
In another embodiment of the disclosure, the compensating module, for obtaining pre-stored colour temperature difference and posting
Corresponding relationship between storage value；According to the corresponding relationship between the colour temperature difference and register value, target color temperature difference is determined
It is worth corresponding target register values；According to the target register values, by adjusting the current value of the screen, to the screen
On the chromatic value of each pixel compensate.
In another embodiment of the disclosure, described device further include:
The acquisition module, for obtaining the corresponding relationship between pre-stored luminance difference and current differential；
The determining module, for determining the mesh according to the corresponding relationship between the luminance difference and current differential
Mark the corresponding target current difference of luminance difference；
Adjustment module, for adjusting the current value of the screen according to the target current difference, to realize to the screen
The adjusting of the brightness value of curtain.
According to the third aspect of an embodiment of the present disclosure, a kind of screen display device is provided, comprising:
Processor；
Memory for the instruction that storage processor can be performed；
Wherein, the processor is configured to:
Obtain maximum brightness value of the screen under specified requirements；
According to the maximum brightness value and initial luma values, the object brightness difference of the screen is determined, it is described initial bright
Angle value is the preceding maximum brightness value got in a calibration process of screen factory；
Corresponding relationship between luminance difference according to the pre-stored data and chroma difference determines the object brightness difference pair
The target colorimetric difference answered；
According to the target colorimetric difference, the chromatic value of each pixel on the screen is compensated；
Screen is carried out based on the compensated chromatic value of each pixel to show.
The technical scheme provided by this disclosed embodiment can include the following benefits:
By obtaining the object brightness difference of screen, and according to the corresponding relationship between luminance difference and chroma difference, obtain
The corresponding target colorimetric difference of object brightness difference is taken, is mended based on chromatic value of the target colorimetric difference to each pixel
It repays, and then screen is carried out according to the compensated chromatic value of each pixel and is shown.Using this kind of mode the coloration of screen is protected
It holds unanimously, improves display effect.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is a kind of flow chart of screen display method shown according to an exemplary embodiment.
Fig. 2 is a kind of flow chart of screen display method shown according to an exemplary embodiment.
Fig. 3 is the flow chart calibrated before a kind of screen shown according to an exemplary embodiment dispatches from the factory.
Fig. 4 is a kind of flow chart of screen calibration shown according to an exemplary embodiment.
Fig. 5 is a kind of block diagram of screen display device shown according to an exemplary embodiment.
Fig. 6 is a kind of block diagram of device shown for screen shown according to an exemplary embodiment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
Fig. 1 is a kind of flow chart of screen display method shown according to an exemplary embodiment, as shown in Figure 1, screen
Display methods is for including the following steps in terminal.
In step s101, maximum brightness value of the screen under specified requirements is obtained.
In step s 102, according to maximum brightness value and initial luma values, the object brightness difference of screen is determined.
Wherein, initial luma values are the preceding maximum brightness value got in a calibration process of screen factory.
In step s 103, the corresponding relationship between luminance difference according to the pre-stored data and chroma difference, determines target
The corresponding target colorimetric difference of luminance difference.
In step S104, according to target colorimetric difference, the chromatic value of each pixel on screen is compensated.
In step s105, screen is carried out based on the compensated chromatic value of each pixel to show.
The method that the embodiment of the present disclosure provides, by obtaining the object brightness difference of screen, and according to luminance difference and color
The corresponding relationship between difference is spent, the corresponding target colorimetric difference of object brightness difference is obtained, based on target colorimetric difference to every
The chromatic value of a pixel compensates, and then carries out screen according to the compensated chromatic value of each pixel and show.Using this
Kind mode is consistent the coloration of screen, improves display effect.
Disclosed in the instinct in another embodiment, maximum brightness value of the screen under specified requirements is obtained, comprising:
Obtain brightness value when screen shows completely black picture；
If screen shows that brightness value when completely black picture is less than or equal to default value, when acquisition screen shows complete white picture
Brightness value, and brightness value when screen to show to complete white picture is as maximum brightness value.
In another embodiment of the disclosure, the corresponding relationship between luminance difference and chroma difference includes luminance difference
Corresponding relationship and luminance difference between the difference of the first chromatic component and the corresponding pass between the difference of the second chromatic component
System；
Corresponding relationship between luminance difference according to the pre-stored data and chroma difference determines that object brightness difference is corresponding
Target colorimetric difference, comprising:
According to the corresponding relationship between luminance difference and the difference of the first chromatic component, determine that object brightness difference is corresponding
The target difference of first chromatic component；
According to the corresponding relationship between luminance difference and the difference of the second chromatic component, determine that object brightness difference is corresponding
The target difference of second chromatic component；
According to the target difference of the target difference of the first chromatic component and the second chromatic component, object brightness difference pair is determined
The target colorimetric difference answered.
In another embodiment of the disclosure, according to target colorimetric difference, to the coloration of each pixel on screen
Value compensates, comprising:
Obtain the corresponding relationship between pre-stored chroma difference and the RGB ratio value of pixel；
According to the corresponding relationship between chroma difference and the RGB ratio value of pixel, determine that target colorimetric difference is corresponding
The RGB ratio value of pixel；
According to the RGB ratio value of the corresponding pixel of target colorimetric difference, to the chromatic value of each pixel on screen
It compensates.
In another embodiment of the disclosure, the corresponding relationship between luminance difference and chroma difference includes luminance difference
With the corresponding relationship between colour temperature difference；
Corresponding relationship between luminance difference according to the pre-stored data and chroma difference determines that object brightness difference is corresponding
Target colorimetric difference, comprising:
According to the corresponding relationship between luminance difference and colour temperature difference, the corresponding target color temperature difference of object brightness difference is determined
Value.
In another embodiment of the disclosure, according to target colorimetric difference, to the coloration of each pixel on screen
Value compensates, comprising:
Obtain the corresponding relationship between pre-stored colour temperature difference and register value；
According to the corresponding relationship between colour temperature difference and register value, the corresponding destination register of aim colour temperature difference is determined
Value；
According to target register values, by adjusting the current value of screen, to the chromatic value of each pixel on screen into
Row compensation.
In another embodiment of the disclosure, this method further include:
Obtain the corresponding relationship between pre-stored luminance difference and current differential；
According to the corresponding relationship between luminance difference and current differential, determine that the corresponding target current of object brightness difference is poor
Value；
According to target current difference, the current value of screen is adjusted, to realize the adjusting to the brightness value of screen.
All the above alternatives can form the alternative embodiment of the disclosure, herein no longer using any combination
It repeats one by one.
Fig. 2 is a kind of flow chart of screen display method shown according to an exemplary embodiment, as shown in Fig. 2, screen
Display methods is for including the following steps in terminal.
In step s 201, terminal calibrates screen before factory, obtains initial luma values.
Wherein, terminal inner is equipped with light sensor, which can measure the screen under different scenes
Brightness value.Terminal can be smart phone, tablet computer, laptop etc., and the embodiment of the present disclosure is not to the product class of terminal
Type makees specific limit.Initial luma values are the preceding maximum brightness value got in a calibration process of screen factory.
Terminal calibrates screen before factory, obtains the process of initial luma values are as follows: before terminal factory, by terminal
It is placed under completely black environment, to exclude the influence of environment light.Under total darkness environment, screen is repeatedly measured using light sensor
The brightness value of screen when showing complete white picture, calculates the average value for repeatedly measuring obtained brightness value, obtains initial luma values.
The above-mentioned brightness to screen is calibrated after obtaining initial luma values, and terminal also will acquire the initial chroma of screen
Value.For the ease of that can be calibrated to the brightness of screen in subsequent use process, to compensate the coloration variation of screen, terminal
By initial luma values and initial chroma storage into screen IC.
For the calibration process before above-mentioned factory, will be illustrated by taking Fig. 3 as an example below.
Referring to Fig. 3, when starting measurement, terminal shows brightness value when completely black picture, and screen is shown completely black picture
When brightness value be compared with default value, if brightness value when screen shows completely black picture is greater than default value, mention
Terminal is placed under total darkness environment by the user that wakes up；If screen shows that brightness value when completely black picture is less than or equal to default value,
Detect whether block above screen using light sensor, if light sensor, which detects above screen, screening
Gear then reminds user to remove blocking above screen；If light sensor is not detected above screen and blocks, control flow
Curtain shows complete white picture, brightness value when screen shows complete white picture is repeatedly measured using light sensor, and survey according to multiple
The screen measured shows brightness value when complete white picture, obtains the average value of brightness value, using the average value of the brightness value as
Initial luma values, and then the initial luma values are stored, so far, calibration process terminates.Wherein, default value can be according to the school of screen
Quasi- precision determines that in the disclosed embodiment, which can be 0.
In step S202, terminal obtains maximum brightness value of the screen under specified requirements.
After terminal activation, every preset time period, for example, three months or half a year, may remind the user that the bright of screen
Angle value is calibrated.In order to avoid the influence of environment light and the light sensitive element of extreme temperature conditions, in the brightness value to screen
It when being calibrated, needs for terminal to be placed under specified requirements, and obtains maximum brightness value of the screen under specified requirements, Jin Ergen
According to the maximum brightness value initial luma values, the calibration to screen is completed.Wherein, specified requirements is completely black and room temperature (generally 25
Degree left and right) environment.
Terminal obtains maximum brightness value of the screen under specified requirements, and following steps 2021~2022 can be used:
2021, terminal obtains brightness value when screen shows completely black picture.
Under specified requirements, the screen of terminal shows completely black picture, and by light sensor measure screen show it is completely black
Brightness value when picture.
If 2022, screen shows that brightness value when completely black picture is less than or equal to default value, terminal obtains screen and shows
Brightness value when complete white picture, and brightness value when screen show to white picture entirely is as maximum brightness value.
Screen is shown that brightness value when completely black picture is compared with default value by terminal, if screen shows completely black picture
Brightness value when face is greater than default value, illustrates that terminal local environment is not total darkness environment, user can be reminded to set terminal at this time
In total darkness environment, and ensure that screen is placed upward；If screen shows that brightness value when completely black picture is less than or equal to default value,
Illustrate that terminal is in total darkness environment really, then controls screen and show complete white picture, and shown using light sensor measurement screen
Brightness value when complete white picture, and then brightness value when screen show to white picture entirely is as maximum brightness value.
In step S203, terminal determines the object brightness difference of screen according to maximum brightness value and initial luma values.
Based on accessed maximum brightness value and initial luma values, terminal passes through the maximum brightness value and original intensity
Value is compared, and the object brightness difference of screen can be obtained, and the object brightness difference for determining screen in the next steps
Chroma difference.
In step S204, corresponding relationship between terminal luminance difference according to the pre-stored data and chroma difference is determined
The corresponding target colorimetric difference of object brightness difference.
Before executing this step, the embodiment of the present disclosure can first determine the corresponding pass between luminance difference and chroma difference
System.It is in a linear relationship or close in the intrinsic brilliance value of brightness value and screen that optical field, general light sensor are got
Liny sexual intercourse.By repeatedly measuring, matched curve be can be obtained between the luminance difference and chroma difference of light sensor acquisition
Corresponding relationship.
When specific measurement, the embodiment of the present disclosure chooses a variety of screens, and measures every kind of screen in different lighting times
Brightness value and chromatic value, and according to measurement result matched curve, and then by analyzing the curve being fitted, obtain brightness
Corresponding relationship between difference and chroma difference.
In optical field, the first chromatic component in chromaticity coordinate is can be used in coloration and the second chromatic component is indicated,
First chromatic component can indicate that second chromatic component can be indicated with Y with X；Colour temperature carry out table also can be used in the coloration
Show.The corresponding relationship between luminance difference and chroma difference for the different representations of coloration, in the embodiment of the present disclosure
Corresponding relationship and luminance difference with different representations, between the difference including luminance difference and the first chromatic component
Corresponding relationship between the difference of the second chromatic component further includes the corresponding relationship between luminance difference and colour temperature difference.
When the corresponding relationship between luminance difference and chroma difference include luminance difference and the first chromatic component difference it
Between corresponding relationship and luminance difference and the difference of the second chromatic component between corresponding relationship when, by screen not of the same race
It measures, it is △ x=- that the corresponding relationship between luminance difference △ lv and the difference △ x of the first chromatic component, which can be obtained,
Corresponding relationship between 0.6283* △ lv-3.943, luminance difference △ lv and the difference △ y of the second chromatic component is △ y=-
0.8356*△lv-1.69。
When the corresponding relationship between luminance difference and chroma difference includes the corresponding pass between luminance difference and colour temperature difference
When being, by measuring to screen not of the same race, the corresponding relationship between luminance difference △ lv and colour temperature difference △ cct can be obtained
For △ cct=52.34* △ lv+257.7.
In one embodiment of the present disclosure, when the corresponding relationship between luminance difference and chroma difference includes luminance difference
Corresponding relationship and luminance difference between the difference of the first chromatic component and the corresponding pass between the difference of the second chromatic component
When being, corresponding relationship between terminal luminance difference according to the pre-stored data and chroma difference determines that object brightness difference is corresponding
Target colorimetric difference, following steps can be used:
The first step, terminal determine that target is bright according to the corresponding relationship between luminance difference and the difference of the first chromatic component
Spend the target difference of corresponding first chromatic component of difference.
Based on the corresponding relationship between identified luminance difference and the difference of the first chromatic component, terminal is by by target
Brightness value is updated in the corresponding relationship between luminance difference and the difference of the first chromatic component, and object brightness difference pair can be obtained
The target difference for the first chromatic component answered.
Second step, terminal determine that target is bright according to the corresponding relationship between luminance difference and the difference of the second chromatic component
Spend the target difference of corresponding second chromatic component of difference.
Based on the corresponding relationship between identified luminance difference and the difference of the second chromatic component, terminal is by by target
Brightness value is updated in the corresponding relationship between luminance difference and the difference of the second chromatic component, and object brightness difference pair can be obtained
The target difference for the second chromatic component answered.
Third step, terminal determine mesh according to the target difference of the first chromatic component and the target difference of the second chromatic component
Mark the corresponding target colorimetric difference of luminance difference.
Mesh based on the above-mentioned first step, the target difference of obtained first chromatic component of second step and the second chromatic component
Difference is marked, terminal can be right in system of chromatic coordinates by the target difference of the target difference of the first chromatic component and the second chromatic component
The chromatic value answered, as target colorimetric difference.
In another embodiment of the disclosure, when the corresponding relationship between luminance difference and chroma difference includes luminance difference
Corresponding pass when being worth the corresponding relationship between colour temperature difference, between terminal luminance difference according to the pre-stored data and chroma difference
Object brightness difference can be updated to luminance difference and colour temperature when determining the corresponding target colorimetric difference of object brightness difference by system
Corresponding relationship between difference obtains the corresponding aim colour temperature difference of object brightness difference.
In step S205, terminal mends the chromatic value of each pixel on screen according to target colorimetric difference
It repays.
For the different representations of target colorimetric difference, terminal is according to target colorimetric difference, to each of on screen
The method taken when the chromatic value of pixel compensates also is different.
In one embodiment of the present disclosure, when target colorimetric difference uses the target difference and second of the first chromatic component
When the target difference of chromatic component is indicated, terminal can be used following method to the chromatic value of each pixel on screen into
Row compensation:
20511, terminal obtains the corresponding relationship between pre-stored chroma difference and the RGB ratio value of pixel.
In order to preferably calibrate to the coloration of screen, the embodiment of the present disclosure passes through the chroma difference to screen not of the same race
It is measured with the RGB ratio value of pixel, the corresponding relationship between chroma difference and RGB ratio can be obtained, and then storing should
Corresponding relationship between chroma difference and the RGB ratio value of pixel, so that the brightness value in the screen to terminal is calibrated
In the process, terminal can get the corresponding relationship between the pre-stored chroma difference and the RGB ratio value of pixel.
20512, terminal determines target colorimetric according to the corresponding relationship between chroma difference and the RGB ratio value of pixel
The RGB ratio value of the corresponding pixel of difference.
Corresponding relationship between RGB ratio based on acquired chroma difference and pixel, terminal is by by aim colour
Degree difference is updated in the corresponding relationship between chroma difference and the RGB ratio of pixel, and it is corresponding that target colorimetric difference can be obtained
Pixel RGB ratio value.
20513, terminal is according to the RGB ratio value of the corresponding pixel of target colorimetric difference, to each pixel on screen
The chromatic value of point compensates.
For example, the RGB ratio value of white pixel point be 255:255:255, when screen light 50 it is small when after, screen color is inclined
Huang, terminal determine object brightness difference by obtaining the maximum brightness value and initial luma values of screen, and according to luminance difference with
Corresponding relationship between chroma difference determines the corresponding target colorimetric difference of the object brightness difference, and then according to colour difference
Corresponding relationship between value and the RGB ratio value of pixel determines that the corresponding RGB ratio value of target colorimetric difference is 245:
251:255 compensates the chromatic value of each pixel on screen then according to the RGB ratio value.Compensated picture
Color is partially blue, and partially yellow screen is overlapped with color, can keep original ratio.
In one embodiment of the present disclosure, when target colorimetric difference is indicated using target value of chromatism, terminal can
The chromatic value of each pixel on screen is compensated with the following method:
20521, terminal obtains the corresponding relationship between pre-stored colour temperature difference and register value.
For the ease of being compensated based on chromatic value of the colour temperature difference to each pixel on screen, terminal passes through test
The corresponding relationship between colour temperature difference and register value is obtained, and the corresponding relationship between colour temperature difference and register value is stored
To the calibration subregion of terminal, to can be obtained from calibration subregion when the chromatic value every time to the screen of terminal is calibrated
Corresponding relationship between colour temperature difference and register value.The colour temperature difference and register value that table 1 is stored by the embodiment of the present disclosure
Between corresponding relationship, 1 neutral color temperature difference of table is increased and decreased with the step-length of 100K (Kelvin), and colour temperature difference maximum increases and decreases amplitude
For 2000K and -2000K, default does not have colour temperature difference, register value 14 when factory.
Table 1
| Register setting value | Colour temperature difference |
| 00 | -2000K |
| 01 | -1900K |
| … | …. |
| 14 | 0 |
| 15 | +100K |
| … | …. |
| 27 | 1900K |
| 28 | 2000K |
20522, terminal determines that aim colour temperature difference is corresponding according to the corresponding relationship between colour temperature difference and register value
Target register values.
Based on the corresponding relationship between acquired colour temperature difference and register value, terminal is by by aim colour temperature difference generation
Enter into the corresponding relationship between colour temperature difference and register value, the corresponding target register values of aim colour temperature difference can be obtained.
20523, terminal is according to target register values, by adjusting the current value of screen, to each pixel on screen
Chromatic value compensate.
After getting target register values, which is written to the display on function of screen by terminal
In, and then it is based on the function, by adjusting the current value of screen, the chromatic value of each pixel on screen is compensated.
For example, when according to the maximum brightness value and initial luma values of screen, determine the object brightness difference of screen be-
After 16nit (nit), which is updated in △ cct=52.34* △ lv+257.7 by terminal, and colour temperature can be obtained
Difference is -600K, and terminal is according to the corresponding relationship between colour temperature difference and register value, and it is 11 that register value, which can be obtained, in turn
According to register value 11, by being carried out to the chromatic value of each pixel on screen by screen current value adjustment to 1A (peace)
Compensation maintains the consistent of screen coloration to offset the color temperature change of -600K caused by the life time decay of screen
Property.
In step S206, terminal is based on the compensated chromatic value progress screen of each pixel and shows.
201~step 206 of above-mentioned steps, which realizes, compensates the chromatic value of screen, and the embodiment of the present disclosure can also be to screen
The brightness value of curtain compensates.Specific compensation process are as follows: terminal obtains between pre-stored luminance difference and current differential
Corresponding relationship, and according to the corresponding relationship between luminance difference and current differential, determine the corresponding target electricity of object brightness difference
Difference is flowed, and then according to target current difference, adjusts the current value of screen, to realize the adjusting to the brightness value of screen.Pass through
The brightness value of screen is adjusted, realizes and the brightness decay caused by the life time decay because of screen is compensated, is improved
Showing Effectiveness On Screen.
Process is shown for above-mentioned screen, will be illustrated by taking Fig. 4 as an example below.
Referring to fig. 4, when after a period of use, terminal can remind user to calibrate the chromatic value of screen.It is calibrating
In the process, the brightness value that terminal obtains when screen shows completely black picture reminds user by terminal if the brightness value is greater than 0
It is placed under total darkness environment, and the screen of terminal is kept to place upwards；If the brightness value is equal to 0, photo sensitive device is used
It measures, is blocked if detecting that the top of screen exists, user is reminded to remove blocking above screen；If detected
The top of screen is then controlled screen and shows complete white picture, screen is repeatedly measured using light sensor and is shown entirely there is no blocking
Brightness value when white picture, and according to the brightness value repeatedly measured when obtained screen shows complete white picture, obtain brightness value
Average value, using the average value of the brightness value as maximum brightness value, and by the maximum brightness value and the initial luma values that are stored
It is compared, obtains luminance difference, then according to the corresponding relationship between luminance difference and chroma difference, determine chroma difference,
And then it is based on the chroma difference, the chromatic value of each pixel on screen is compensated, so far calibrating process terminates.
The method that the embodiment of the present disclosure provides, by obtaining the object brightness difference of screen, and according to luminance difference and color
The corresponding relationship between difference is spent, the corresponding target colorimetric difference of object brightness difference is obtained, based on target colorimetric difference to every
The chromatic value of a pixel compensates, and then carries out screen according to the compensated chromatic value of each pixel and show.Using this
Kind mode is consistent the coloration of screen, improves display effect.
Fig. 5 is a kind of screen display device schematic diagram shown according to an exemplary embodiment.Referring to Fig. 5, the device packet
It includes: obtaining module 501, determining module 502, compensating module 503 and display module 504.
The acquisition module 501 is configured as obtaining maximum brightness value of the screen under specified requirements；
The determining module 502 is configured as determining that the object brightness of screen is poor according to maximum brightness value and initial luma values
Value, initial luma values are the preceding maximum brightness value got in a calibration process of screen factory；
The determining module 502 is configured as the corresponding relationship between luminance difference according to the pre-stored data and chroma difference,
Determine the corresponding target colorimetric difference of object brightness difference；
The compensating module 503 is configured as according to target colorimetric difference, to the chromatic value of each pixel on screen into
Row compensation；
The display module 504 is configured as showing based on the compensated chromatic value progress screen of each pixel.
In another embodiment of the disclosure, which is configured as obtaining screen when showing completely black picture
Brightness value；If screen shows that brightness value when completely black picture is less than or equal to default value, obtains screen and show complete white picture
When brightness value, and brightness value when screen to show to complete white picture is as maximum brightness value.
In another embodiment of the disclosure, the corresponding relationship between luminance difference and chroma difference includes luminance difference
Corresponding relationship and luminance difference between the difference of the first chromatic component and the corresponding pass between the difference of the second chromatic component
System；
The determining module 502 is configured as according to the corresponding relationship between luminance difference and the difference of the first chromatic component,
Determine the target difference of corresponding first chromatic component of object brightness difference；According to the difference of luminance difference and the second chromatic component
Between corresponding relationship, determine the target difference of corresponding second chromatic component of object brightness difference；According to the first chromatic component
Target difference and the second chromatic component target difference, determine the corresponding target colorimetric difference of object brightness difference.
In another embodiment of the disclosure, which is configured as obtaining pre-stored chroma difference
Corresponding relationship between the RGB ratio value of pixel；According to the corresponding pass between chroma difference and the RGB ratio value of pixel
System, determines the RGB ratio value of the corresponding pixel of target colorimetric difference；According to the RGB of the corresponding pixel of target colorimetric difference
Ratio value compensates the chromatic value of each pixel on screen.
In another embodiment of the disclosure, the corresponding relationship between luminance difference and chroma difference includes luminance difference
With the corresponding relationship between colour temperature difference；
The determining module 502 is configured as determining that target is bright according to the corresponding relationship between luminance difference and colour temperature difference
Spend the corresponding aim colour temperature difference of difference.
In another embodiment of the disclosure, which is configured as obtaining pre-stored colour temperature difference
Corresponding relationship between register value；According to the corresponding relationship between colour temperature difference and register value, target color temperature difference is determined
It is worth corresponding target register values；According to target register values, by adjusting the current value of screen, to each pixel on screen
The chromatic value of point compensates.
In another embodiment of the disclosure, the device further include: adjustment module.
The acquisition module 501 is configured as obtaining the corresponding relationship between pre-stored luminance difference and current differential；
The determining module 502 is configured as determining that target is bright according to the corresponding relationship between luminance difference and current differential
Spend the corresponding target current difference of difference；
The adjustment module is configured as adjusting the current value of screen according to target current difference, to realize to the bright of screen
The adjusting of angle value.
The device that the embodiment of the present disclosure provides, by obtaining the object brightness difference of screen, and according to luminance difference and color
The corresponding relationship between difference is spent, the corresponding target colorimetric difference of object brightness difference is obtained, based on target colorimetric difference to every
The chromatic value of a pixel compensates, and then carries out screen according to the compensated chromatic value of each pixel and show.Using this
Kind mode is consistent the coloration of screen, improves display effect.
About the device in above-described embodiment, wherein modules execute the concrete mode of operation in related this method
Embodiment in be described in detail, no detailed explanation will be given here.
Fig. 6 is a kind of block diagram of device 600 shown for screen shown according to an exemplary embodiment.For example, dress
Setting 600 can be mobile phone, computer, digital broadcasting terminal, messaging device, game console, tablet device, medical treatment
Equipment, body-building equipment, personal digital assistant etc..
Referring to Fig. 6, device 600 may include following one or more components: processing component 602, memory 604, power supply
Component 606, multimedia component 608, audio component 610, input/output (I/O) interface 612, sensor module 614, Yi Jitong
Believe component 616.
The integrated operation of the usual control device 600 of processing component 602, such as with display, telephone call, data communication, phase
Machine operation and record operate associated operation.Processing component 602 may include that one or more processors 620 refer to execute
It enables, to perform all or part of the steps of the methods described above.In addition, processing component 602 may include one or more modules, just
Interaction between processing component 602 and other assemblies.For example, processing component 602 may include multi-media module, it is more to facilitate
Interaction between media component 608 and processing component 602.
Memory 604 is configured as storing various types of data to support the operation in device 600.These data are shown
Example includes the instruction of any application or method for operating on device 600, contact data, and telephone book data disappears
Breath, picture, video etc..Memory 604 can be by any kind of volatibility or non-volatile memory device or their group
It closes and realizes, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM) is erasable to compile
Journey read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 606 provides electric power for the various assemblies of device 600.Power supply module 606 may include power management system
System, one or more power supplys and other with for device 600 generate, manage, and distribute the associated component of electric power.
Multimedia component 608 includes the screen of one output interface of offer between described device 600 and user.One
In a little embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch screen, to receive input signal from the user.Touch panel includes one or more touch sensings
Device is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or sliding action
Boundary, but also detect duration and pressure associated with the touch or slide operation.In some embodiments, more matchmakers
Body component 608 includes a front camera and/or rear camera.When device 600 is in operation mode, such as screening-mode or
When video mode, front camera and/or rear camera can receive external multi-medium data.Each front camera and
Rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 610 is configured as output and/or input audio signal.For example, audio component 610 includes a Mike
(MIC, when device 600 is in operation mode, when such as call mode, recording mode, and voice recognition mode, microphone is configured wind
To receive external audio signal.The received audio signal can be further stored in memory 604 or via communication component
616 send.In some embodiments, audio component 610 further includes a loudspeaker, is used for output audio signal.
I/O interface 612 provides interface between processing component 602 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include, but are not limited to: home button, volume button, start button and lock
Determine button.
Sensor module 614 includes one or more sensors, and the state for providing various aspects for device 600 is commented
Estimate.For example, sensor module 614 can detecte the state that opens/closes of device 600, and the relative positioning of component, for example, it is described
Component is the display and keypad of device 600, and sensor module 614 can be with 600 1 components of detection device 600 or device
Position change, the existence or non-existence that user contacts with device 600,600 orientation of device or acceleration/deceleration and device 600
Temperature change.Sensor module 614 may include proximity sensor, be configured to detect without any physical contact
Presence of nearby objects.Sensor module 614 can also include optical sensor, such as CMOS or ccd image sensor, at
As being used in application.In some embodiments, which can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 616 is configured to facilitate the communication of wired or wireless way between device 600 and other equipment.Device
600 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or their combination.In an exemplary implementation
In example, communication component 616 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 616 further includes near-field communication (NFC) module, to promote short range communication.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 600 can be believed by one or more application specific integrated circuit (ASIC), number
Number processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for executing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instruction, example are additionally provided
It such as include the memory 604 of instruction, above-metioned instruction can be executed by the processor 620 of device 600 to complete the above method.For example,
The non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk
With optical data storage devices etc..
A kind of non-transitorycomputer readable storage medium, when the instruction in the storage medium is by the processing of mobile terminal
When device executes, so that mobile terminal is able to carry out a kind of screen display method.
The device that the embodiment of the present disclosure provides, by obtaining the object brightness difference of screen, and according to luminance difference and color
The corresponding relationship between difference is spent, the corresponding target colorimetric difference of object brightness difference is obtained, based on target colorimetric difference to every
The chromatic value of a pixel compensates, and then carries out screen according to the compensated chromatic value of each pixel and show.Using this
Kind mode is consistent the coloration of screen, improves display effect.
Those skilled in the art will readily occur to its of the disclosure after considering specification and practicing disclosure disclosed herein
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim is pointed out.
It should be understood that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by the accompanying claims.
Claims (15)
1. a kind of screen display method, which is characterized in that the described method includes:
Obtain maximum brightness value of the screen under specified requirements；
According to the maximum brightness value and initial luma values, the object brightness difference of the screen, the initial luma values are determined
For the maximum brightness value got in a calibration process before screen factory；
Corresponding relationship between luminance difference according to the pre-stored data and chroma difference determines that the object brightness difference is corresponding
Target colorimetric difference；
According to the target colorimetric difference, the chromatic value of each pixel on the screen is compensated；
Screen is carried out based on the compensated chromatic value of each pixel to show.
2. the method according to claim 1, wherein the maximum brightness for obtaining screen under specified requirements
Value, comprising:
Obtain the brightness value when screen shows completely black picture；
If the screen shows that brightness value when completely black picture is less than or equal to default value, obtains the screen and show complete white picture
Brightness value when face, and the brightness value when screen to show to complete white picture is as the maximum brightness value.
3. the method according to claim 1, wherein the corresponding relationship between the luminance difference and chroma difference
The difference of corresponding relationship and luminance difference and the second chromatic component between difference including luminance difference and the first chromatic component
Between corresponding relationship；
Corresponding relationship between the luminance difference according to the pre-stored data and chroma difference determines the object brightness difference pair
The target colorimetric difference answered, comprising:
According to the corresponding relationship between the luminance difference and the difference of the first chromatic component, the object brightness difference pair is determined
The target difference for the first chromatic component answered；
According to the corresponding relationship between the luminance difference and the difference of the second chromatic component, the object brightness difference pair is determined
The target difference for the second chromatic component answered；
According to the target difference of the target difference of first chromatic component and second chromatic component, determine that the target is bright
Spend the corresponding target colorimetric difference of difference.
4. according to the method described in claim 3, it is characterized in that, described according to the target colorimetric difference, to the screen
On the chromatic value of each pixel compensate, comprising:
Obtain the corresponding relationship between pre-stored chroma difference and the RGB ratio value of pixel；
According to the corresponding relationship between the chroma difference and the RGB ratio value of pixel, the target colorimetric difference pair is determined
The RGB ratio value for the pixel answered；
According to the RGB ratio value of the corresponding pixel of the target colorimetric difference, to the color of each pixel on the screen
Angle value compensates.
5. the method according to claim 1, wherein the corresponding relationship between the luminance difference and chroma difference
Including the corresponding relationship between luminance difference and colour temperature difference；
Corresponding relationship between the luminance difference according to the pre-stored data and chroma difference determines the object brightness difference pair
The target colorimetric difference answered, comprising:
According to the corresponding relationship between the luminance difference and colour temperature difference, the corresponding aim colour of the object brightness difference is determined
Temperature difference.
6. according to the method described in claim 5, it is characterized in that, described according to the target colorimetric difference, to the screen
On the chromatic value of each pixel compensate, comprising:
Obtain the corresponding relationship between pre-stored colour temperature difference and register value；
According to the corresponding relationship between the colour temperature difference and register value, the corresponding destination register of aim colour temperature difference is determined
Value；
According to the target register values, by adjusting the current value of the screen, to each pixel on the screen
Chromatic value compensates.
7. method according to any one of claim 1 to 6, which is characterized in that the method also includes:
Obtain the corresponding relationship between pre-stored luminance difference and current differential；
According to the corresponding relationship between the luminance difference and current differential, the corresponding target electricity of the object brightness difference is determined
Flow difference；
According to the target current difference, the current value of the screen is adjusted, to realize the adjusting to the brightness value of the screen.
8. a kind of screen display device, which is characterized in that described device includes:
Module is obtained, for obtaining maximum brightness value of the screen under specified requirements；
Determining module, for determining the object brightness difference of the screen, institute according to the maximum brightness value and initial luma values
Stating initial luma values is the preceding maximum brightness value got in a calibration process of screen factory；
The determining module, for the corresponding relationship between luminance difference according to the pre-stored data and chroma difference, determine described in
The corresponding target colorimetric difference of object brightness difference；
Compensating module, for being mended to the chromatic value of each pixel on the screen according to the target colorimetric difference
It repays；
Display module is shown for carrying out screen based on the compensated chromatic value of each pixel.
9. device according to claim 8, which is characterized in that the acquisition module is shown entirely for obtaining the screen
Brightness value when black picture；If the brightness value when screen shows completely black picture is less than or equal to default value, described in acquisition
Screen shows brightness value when complete white picture, and brightness value when screen show to white picture entirely is as the maximum brightness
Value.
10. device according to claim 8, which is characterized in that the corresponding pass between the luminance difference and chroma difference
System includes the difference of the corresponding relationship between luminance difference and the difference of the first chromatic component and luminance difference and the second chromatic component
Corresponding relationship between value；
The determining module, for determining according to the corresponding relationship between the luminance difference and the difference of the first chromatic component
The target difference of corresponding first chromatic component of the object brightness difference；According to the luminance difference and the second chromatic component
Corresponding relationship between difference determines the target difference of corresponding second chromatic component of the object brightness difference；According to described
The target difference of the target difference of first chromatic component and second chromatic component determines that the object brightness difference is corresponding
The target colorimetric difference.
11. device according to claim 10, which is characterized in that the compensating module, for obtaining pre-stored color
Spend the corresponding relationship between difference and the RGB ratio value of pixel；According to the RGB ratio value of the chroma difference and pixel it
Between corresponding relationship, determine the RGB ratio value of the corresponding pixel of the target colorimetric difference；According to the target colorimetric difference
The RGB ratio value of corresponding pixel compensates the chromatic value of each pixel on the screen.
12. device according to claim 8, which is characterized in that the corresponding pass between the luminance difference and chroma difference
System includes the corresponding relationship between luminance difference and colour temperature difference；
The determining module, for determining that the target is bright according to the corresponding relationship between the luminance difference and colour temperature difference
Spend the corresponding aim colour temperature difference of difference.
13. device according to claim 12, which is characterized in that the compensating module, for obtaining pre-stored color
Corresponding relationship between temperature difference and register value；According to the corresponding relationship between the colour temperature difference and register value, determine
The corresponding target register values of aim colour temperature difference；According to the target register values, by adjusting the current value of the screen,
The chromatic value of each pixel on the screen is compensated.
14. the device according to any one of claim 8 to 13, which is characterized in that described device further include:
The acquisition module, for obtaining the corresponding relationship between pre-stored luminance difference and current differential；
The determining module, for determining that the target is bright according to the corresponding relationship between the luminance difference and current differential
Spend the corresponding target current difference of difference；
Adjustment module, for adjusting the current value of the screen according to the target current difference, to realize to the screen
The adjusting of brightness value.
15. a kind of screen display device characterized by comprising
Processor；
Memory for the instruction that storage processor can be performed；
Wherein, the processor is configured to:
Obtain maximum brightness value of the screen under specified requirements；
According to the maximum brightness value and initial luma values, the object brightness difference of the screen, the initial luma values are determined
For the maximum brightness value got in a calibration process before screen factory；
Corresponding relationship between luminance difference according to the pre-stored data and chroma difference determines that the object brightness difference is corresponding
Target colorimetric difference；
According to the target colorimetric difference, the chromatic value of each pixel on the screen is compensated；
Screen is carried out based on the compensated chromatic value of each pixel to show.
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| CN114245004B (en) * | 2021-11-29 | 2023-06-23 | 浙江大华技术股份有限公司 | Image compensation method, system, hard disk video recorder and readable storage medium |
| CN114333724A (en) * | 2021-12-28 | 2022-04-12 | 北京德为智慧科技有限公司 | Display brightness and color correction method and device, electronic equipment and storage medium |
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