CN107978264A - Display brightness method of adjustment and device - Google Patents

Display brightness method of adjustment and device Download PDF

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Publication number
CN107978264A
CN107978264A CN201711086524.7A CN201711086524A CN107978264A CN 107978264 A CN107978264 A CN 107978264A CN 201711086524 A CN201711086524 A CN 201711086524A CN 107978264 A CN107978264 A CN 107978264A
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pixel
making
value
grey decision
conversion
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CN107978264B (en
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李国盛
刘安昱
杜慧
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Xiaomi Inc
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Xiaomi Inc
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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/34Control 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
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control 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
    • G09G3/2003Display of colours
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/10Intensity circuits

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Television Receiver Circuits (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

The disclosure is directed to a kind of display brightness method of adjustment and device.The described method includes:Obtain the original gray-scale value of pixel in display interface;Grey scale transformation is carried out to the pixel, obtains grey decision-making after the conversion of pixel;The grayscale of the display interface is adjusted according to grey decision-making after the conversion of the pixel;Wherein, it is described that grey scale transformation is carried out to the pixel, grey decision-making after the conversion of pixel is obtained, including:Obtain the corresponding relation data of grey scale transformation, grey decision-making after the corresponding conversion of original gray-scale value of the corresponding relation data including the pixel;Grey decision-making after the corresponding conversion of original gray-scale value of the pixel is inquired about from the corresponding relation data.By embodiment of the disclosure, among the environment of extremely low brightness display system can be enable to export extremely low brightness, reduce the injury to eyes, suitable for the low-light level environment of no lighting apparatus.

Description

Display brightness method of adjustment and device
Technical field
This disclosure relates to image processing field, more particularly to a kind of display brightness method of adjustment and device.
Background technology
In daily life, many people, which have, sleeps the preceding custom for playing the smart machines such as mobile phone, if at this moment turned on light, first, wasting The energy, second, influencing other people.If do not turned on light, (such as night 0.001lux) uses hand among the extremely low environment of brightness Machine, the solution method of most people is to reduce the brightness of mobile phone, but current brightness is due to lcd backlight circuits, structure, control The limitation of mode and cost, it is difficult to accomplish extremely low brightness, so makes in very dark environment (such as night 0.001lux) Used time is very big to eye injury.
The content of the invention
The disclosure provides a kind of display brightness method of adjustment and device.
Embodiment of the disclosure first aspect provides a kind of display brightness method of adjustment, including:
Obtain the original gray-scale value of pixel in display interface;
Grey scale transformation is carried out to the pixel, obtains grey decision-making after the conversion of pixel;
The grayscale of the display interface is adjusted according to grey decision-making after the conversion of the pixel;
It is described that grey scale transformation is carried out to the pixel, grey decision-making after the conversion of pixel is obtained, including:
The corresponding relation data of grey scale transformation is obtained, the corresponding relation data includes the original gray-scale value of the pixel Grey decision-making after corresponding conversion;
Grey decision-making after the corresponding conversion of original gray-scale value of the pixel is inquired about from the corresponding relation data.
Optionally, it is described that grey scale transformation is carried out to the pixel, grey decision-making after the conversion of pixel is obtained, including:
Obtain the transforming function transformation function of grey scale transformation;
Grey decision-making after the conversion of pixel is calculated according to the original gray-scale value of the transforming function transformation function and the pixel.
Optionally, it is described that grey scale transformation is carried out to the pixel, grey decision-making after the conversion of pixel is obtained, including:
Detect current environment brightness;
According to corresponding relation data or transforming function transformation function of the current environment brightness selection for grey scale transformation;
According to grayscale after the corresponding conversion of original gray-scale value of the corresponding relation data of the selection inquiry pixel Value, or calculate according to the transforming function transformation function of selection grey decision-making after the corresponding conversion of original gray-scale value of the pixel.
Optionally, it is described that grey scale transformation is carried out to the pixel, grey decision-making after the conversion of pixel is obtained, including:
Obtain the figure place showing of the original gray-scale value;
According to corresponding relation data or transforming function transformation function of the figure place showing of the original gray-scale value selection for grey scale transformation;
According to grayscale after the corresponding conversion of original gray-scale value of the corresponding relation data of the selection inquiry pixel Value, or calculate according to the transforming function transformation function of selection grey decision-making after the corresponding conversion of original gray-scale value of the pixel.
Optionally, it is described that grey scale transformation is carried out to the pixel, grey decision-making after the conversion of pixel is obtained, including:
Detect current environment brightness;
When the current environment brightness is less than or equal to predetermined luminance value, grey scale transformation is carried out to the pixel, is obtained Grey decision-making after to the conversion of pixel.
Optionally, the method further includes:
Detect the brightness value of environment;
Screen display brightness value is adjusted according to ambient brightness value;
Judge the relation of present intensity value and setting value after screen adjustment;
When judging present intensity value less than the first setting brightness, first kind grey decision-making is adjusted;
When judging present intensity value higher than the second setting brightness, the second class grey decision-making is adjusted.
Optionally, described to obtain in display interface before the original gray-scale value of pixel, the method further includes:
Detect the brightness value of the pixel in display interface;
Whether the brightness value of pixel exceedes setting brightness value in the interface for judging to detect;
When judging to exceed setting brightness value, the position letter of the pixel for exceeding setting brightness value is determined Breath;
Adjust the grey decision-making of the pixel of the definite position.
Optionally, the method further includes:
Obtain the color gamut space value of screen display;
According to the color gamut space value got, the grey decision-making of each pixel in the display interface is adjusted.
Optionally, the method further includes:
Establish corresponding each pixel and set correspondence of different groups of the input grey decision-making with exporting grey decision-making, it is described right The ratio for the input grey decision-making and the output grey decision-making should be related to as the size of gray value is into nonlinear change or line Property change, it is described input grey decision-making with export grey decision-making ratio be not less than 1;
When getting screen brightness value higher than setting brightness, according to the pixel of ratio adjustment screen display interface Output gray level value.
Embodiment of the disclosure second aspect provides a kind of display brightness adjusting apparatus, including:
Acquisition module, for obtaining the original gray-scale value of pixel in display interface;
Conversion module, for carrying out grey scale transformation to the pixel, obtains grey decision-making after the conversion of pixel;
Module is adjusted, the grayscale of the display interface is adjusted for grey decision-making after the conversion according to the pixel;
The conversion module includes:
First acquisition submodule, for obtaining the corresponding relation data of grey scale transformation, the corresponding relation data includes institute State grey decision-making after the corresponding conversion of original gray-scale value of pixel;
Inquire about submodule, the corresponding change of original gray-scale value for inquiring about the pixel from the corresponding relation data Change rear grey decision-making;
Alternatively, the conversion module includes:
Second acquisition submodule, for obtaining the transforming function transformation function of grey scale transformation;
Calculating sub module, for pixel to be calculated according to the original gray-scale value of the transforming function transformation function and the pixel Conversion after grey decision-making.
Optionally, the conversion module further includes:
Detection sub-module, for detecting current environment brightness;
Submodule is selected, for according to corresponding relation data of the current environment brightness selection for grey scale transformation;
The inquiry submodule, for determining the original gray-scale of the pixel according to the corresponding relation data of selection It is worth grey decision-making after corresponding conversion.
In one embodiment, the conversion module further includes:
Detection sub-module, for detecting current environment brightness;
Submodule is selected, for according to transforming function transformation function of the current environment brightness selection for grey scale transformation;
The calculating sub module, the original gray-scale value for determining the pixel according to the transforming function transformation function of selection are corresponding Grey decision-making after conversion.
In one embodiment, first acquisition submodule is used for:
Obtain the figure place showing of the original gray-scale value;
According to corresponding relation data of the figure place showing of the original gray-scale value selection for grey scale transformation;
The inquiry submodule, for inquiring about the original gray-scale of the pixel according to the corresponding relation data of selection It is worth grey decision-making after corresponding conversion.
In one embodiment, second acquisition submodule is used for:
Obtain the figure place showing of the original gray-scale value;
According to transforming function transformation function of the figure place showing of the original gray-scale value selection for grey scale transformation;
The calculating sub module, for calculating the original gray-scale value pair of the pixel according to the transforming function transformation function of selection Grey decision-making after the conversion answered.
Optionally, the conversion module includes:
Detection sub-module, for detecting current environment brightness;
Transformation submodule, for when the current environment brightness is less than or equal to predetermined luminance value, to the pixel Grey scale transformation is carried out, obtains grey decision-making after the conversion of pixel.
Optionally, described device further includes:
First detection module, for detecting the brightness value of environment;
Second adjustment module, for adjusting screen display brightness value according to ambient brightness value;
First judgment module, for judge screen adjustment after present intensity value and setting value relation;
The first adjustment module, for when judging present intensity value less than the first setting brightness, adjusting the first kind Grey decision-making;When judging present intensity value higher than the second setting brightness, the second class grey decision-making is adjusted.
Optionally, described device further includes:
Second detection module, for before the original gray-scale value of pixel in obtaining display interface, detecting display interface In pixel brightness value;
Whether the second judgment module, the brightness value for judging pixel in the interface that detects exceed setting brightness value;
Determining module, for when judging to exceed setting brightness value, determining the pixel for exceeding setting brightness value Position information;
The first adjustment module, the grey decision-making of the pixel for adjusting the definite position.
Optionally, described device further includes:
Second acquisition module, for obtaining the color gamut space value of screen display;
The first adjustment module, for according to the color gamut space value got, adjusting each in the display interface The grey decision-making of a pixel.
Optionally, described device further includes:
Module is established, pair of different groups of the input grey decision-making with exporting grey decision-making is set for establishing corresponding each pixel It should be related to, the correspondence is for the input grey decision-making with the ratio for exporting grey decision-making with the size Cheng Fei of gray value Linear change or linear change, the input grey decision-making are not less than 1 with exporting the ratio of grey decision-making;
It is described first adjustment module, for when get screen brightness value higher than setting brightness when, according to the ratio tune The output gray level value of the pixel of whole screen display interface.
The embodiment of the disclosure third aspect provides a kind of display brightness adjusting apparatus, including:
Processor;
For storing the memory of processor-executable instruction;
Wherein, the processor is configured as:
Obtain the original gray-scale value of each pixel in display interface;
Grey scale transformation is carried out to the pixel, obtains grey decision-making after the conversion of pixel;
The grayscale of the display interface is adjusted according to grey decision-making after the conversion of the pixel;
It is described that grey scale transformation is carried out to the pixel, grey decision-making after the conversion of pixel is obtained, including:
The corresponding relation data of grey scale transformation is obtained, the corresponding relation data includes the original gray-scale value of the pixel Grey decision-making after corresponding conversion;
Grey decision-making after the corresponding conversion of original gray-scale value of the pixel is inquired about from the corresponding relation data.
The technical scheme provided by this disclosed embodiment can include the following benefits:Work as in the environment of extremely low brightness In, display system is exported extremely low brightness, reduce the injury to eyes, suitable for the low-light level in no lighting apparatus In environment.Also, it is all effective to all display contents, without being limited to some application program, in this way, without to each application Degree all individually develops corresponding Night, reduces the size of resource file, saves memory space, and easy to operate, uses Family experience is preferable.
It should be appreciated that the general description and following detailed description of the above are only exemplary and explanatory, not The disclosure can be limited.
Brief description of the drawings
Attached drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the disclosure Example, and be used to together with specification to explain the principle of the disclosure.
Fig. 1 is a kind of flow chart of display brightness method of adjustment according to an exemplary embodiment;
Fig. 2 is a kind of flow chart of the display brightness method of adjustment shown according to another exemplary embodiment;
Fig. 3 is a kind of flow chart of the display brightness method of adjustment shown according to another exemplary embodiment;
Fig. 4 is a kind of flow chart of the display brightness method of adjustment shown according to another exemplary embodiment;
Fig. 5 is a kind of flow chart of the display brightness method of adjustment shown according to another exemplary embodiment;
Fig. 6 is a kind of flow chart of the display brightness method of adjustment shown according to another exemplary embodiment;
Fig. 7 a are the schematic diagrames at the original display interface shown according to another exemplary embodiment;
Fig. 7 b are the schematic diagrames of the display interface after the conversion shown according to another exemplary embodiment;
Fig. 8 is the grey scale transformation curve synoptic diagram shown according to another exemplary embodiment;
Fig. 9 is a kind of flow chart of the display brightness method of adjustment shown according to another exemplary embodiment;
Figure 10 is a kind of flow chart of the display brightness method of adjustment shown according to another exemplary embodiment;
Figure 11 is a kind of flow chart of the display brightness method of adjustment shown according to another exemplary embodiment;
Figure 12 is a kind of flow chart of the display brightness method of adjustment shown according to another exemplary embodiment;
Figure 13 is a kind of block diagram of display brightness adjusting apparatus according to an exemplary embodiment;
Figure 14 is the block diagram of the conversion module according to an exemplary embodiment;
Figure 15 is the block diagram of the conversion module shown according to another exemplary embodiment;
Figure 16 is the block diagram of the conversion module shown according to another exemplary embodiment;
Figure 17 is the block diagram of the conversion module shown according to another exemplary embodiment;
Figure 18 is a kind of block diagram of the display brightness adjusting apparatus shown according to another exemplary embodiment;
Figure 19 is a kind of block diagram of the display brightness adjusting apparatus shown according to another exemplary embodiment;
Figure 20 is a kind of block diagram of the display brightness adjusting apparatus shown according to another exemplary embodiment;
Figure 21 is a kind of block diagram of the display brightness adjusting apparatus shown according to another exemplary embodiment;
Figure 22 is a kind of block diagram of device for display brightness adjustment according to an exemplary embodiment.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar key element.Following exemplary embodiment Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended The example of the consistent apparatus and method of some aspects be described in detail in claims, the disclosure.
In the embodiment of the present disclosure, by when brightness is very low, changing the grey decision-making of display interface, reaching and neither injure eye Eyeball, does not sacrifice the purpose of image quality yet.
Fig. 1 is a kind of flow chart of display brightness method of adjustment according to an exemplary embodiment, as shown in Figure 1, Display brightness method of adjustment is used in terminal, comprises the following steps.
In step s 11, the original gray-scale value of pixel in display interface is obtained;
In step s 12, grey scale transformation is carried out to pixel, obtains grey decision-making after the conversion of pixel;
In step s 13, according to the grayscale of grey decision-making adjustment display interface after the conversion of pixel.
In the present embodiment, by being adjusted to the grayscale of display interface, change brightness and the contrast of display interface, from And when ambient brightness is relatively low so that the backlight light transmittance for reducing the display interface after grayscale declines, display interface overall brightness It will substantially be reduced with contrast, achieve the purpose that to protect screen user's eyesight;Also, due in the environment of low-light level, Influence of the reduction of display interface brightness and contrast to display image quality is smaller, can meet requirement of the user to image quality, section About power consumption of terminal, user experience are preferable.
Wherein, as shown in Fig. 2, optionally, step S12 includes:
In the step s 21, the corresponding relation data of grey scale transformation is obtained, corresponding relation data includes the original ash of pixel Rank is worth grey decision-making after corresponding conversion;
In step S22, grey decision-making after the corresponding conversion of original gray-scale value of pixel is inquired about from corresponding relation data.
Fig. 3 is a kind of flow chart of the display brightness method of adjustment shown according to another exemplary embodiment, such as Fig. 3 institutes Show, optionally, step S12 includes:
In step S31, the transforming function transformation function of grey scale transformation is obtained;
In step s 32, each pixel is calculated according to the original gray-scale value of transforming function transformation function and each pixel Grey decision-making after conversion.
In alternative, the corresponding relation data of grey scale transformation can be preset, is inquired about by corresponding relation data Grey decision-making after the corresponding conversion of pixel original gray-scale value, can also preset the transforming function transformation function of grey scale transformation, according to conversion Function calculates grey decision-making after the corresponding conversion of pixel original gray-scale value.It is thus possible to after quickly and accurately determining grey scale transformation Grey decision-making so that the brightness and contrast of display interface can be tailored the degree of current environment brightness, not hinder On the premise of evil user's eyesight, ensure image quality quality.
Optionally, above-mentioned corresponding relation data can include the equally distributed original gray-scale value and its correspondence randomly selected Conversion after grey decision-making.For example, when original gray-scale value is 0~255, it can only include wherein 10 originals in corresponding relation data Grey decision-making after the corresponding conversion of beginning grey decision-making, it is as shown in table 1 below,
Table 1
Original gray-scale value Grey decision-making after conversion
0 0
25 20
65 45
95 55
95 75
175 95
190 105
210 90
235 155
255 170
According to the corresponding relation data in table 1, grey scale transformation curve can be fitted, according to the curve, can be obtained all Original gray-scale value corresponding to conversion after grey decision-making.
Fig. 4 is a kind of flow chart of the display brightness method of adjustment shown according to another exemplary embodiment, such as Fig. 4 institutes Show, optionally, step S12 includes:
In step S41, the brightness value of environment is detected;
In step S42, according to corresponding relation data or transforming function transformation function of the brightness value of the environment selection for grey scale transformation;
In step S43, the corresponding change of original gray-scale value of the pixel is inquired about according to the corresponding relation data of selection Change rear grey decision-making, or calculate according to the transforming function transformation function of selection grey decision-making after the corresponding conversion of original gray-scale value of the pixel.
In alternative, corresponding relation data or the conversion of corresponding grey scale transformation can also be selected according to ambient brightness Function, i.e., under different ambient brightness environment, the grayscale adjustment to display interface is using different luminance transformation bases.Example Such as, when ambient brightness is 0.001lux, correspondence Table A is selected to be used for grey scale transformation;When ambient brightness is 0.003lux, Selection mapping table B is used for grey scale transformation;Etc..Under varying environment brightness, the adjustment target to display interface grayscale Difference, selects corresponding corresponding relation data or transforming function transformation function so that brightness and contrast to display interface according to ambient brightness Degree is adapted with ambient brightness all the time, so as to preferably protect the eyesight of screen user, user experience is more preferable.
Fig. 5 is a kind of flow chart of the display brightness method of adjustment shown according to another exemplary embodiment, such as Fig. 5 institutes Show, optionally, step S12 includes:
In step s 51, the figure place showing of original gray-scale value is obtained;
In step S52, according to the figure place showing of original gray-scale value selection for grey scale transformation corresponding relation data or Transforming function transformation function;
In step S53, the corresponding change of original gray-scale value of the pixel is inquired about according to the corresponding relation data of selection Change rear grey decision-making, or calculate according to the transforming function transformation function of selection grey decision-making after the corresponding conversion of original gray-scale value of the pixel.
In alternative, can also be selected according to grayscale figure place showing corresponding grey scale transformation corresponding relation data or Transforming function transformation function.For example, when grayscale figure place showing is 8bit, mapping table 1 is selected to be used for grey scale transformation;Grayscale figure place showing is During 10bit, mapping table 2 is selected to be used for grey scale transformation;Etc..So so that grayscale adjustment can adapt to different display ginsengs Number display interface, the i.e. application program for different display parameters, can use this method to carry out grayscale adjustment, the scope of application It is more extensive.
Fig. 6 is a kind of flow chart of the display brightness method of adjustment shown according to another exemplary embodiment, such as Fig. 6 institutes Show, optionally, step S12 includes:
In step S61, current environment brightness is detected;
In step S62, when current environment brightness is less than or equal to predetermined luminance value, grayscale change is carried out to pixel Change, obtain grey decision-making after the conversion of pixel.
In alternative, only when ambient brightness is less than to a certain degree, such as when ambient brightness is less than or equal to During 0.1lux, grayscale adjustment just is carried out to display interface, avoids continually adjusting the grayscale of display interface, section according to ambient brightness About terminal processing capacity and power consumption, user experience are preferable.
As shown in figs. 7 a and 7b, the grayscale numerical value of highlights substantially reduces, and the transmitance of such backlight will decline, overall Brightness will substantially reduce, the contrast of picture can also reduce.Among low-light level environment, contrast reduces the shadow to image quality Ring and little, so being sufficient for the requirement of user.
Among the processor (such as video-stream processor or DDIC of AP) of display, a series of look-up table is set, is led to Corresponding look-up table is crossed, realizes and converts original luma data, which is specifically called organize look-up table, can be according to ambient light Brightness automatically selects, or manually selects.Look-up table is set of number, and content is different and different according to the bit digits of grayscale, Shown if grayscale is 8bit, grey decision-making is between 0~255 after the original gray-scale value of look-up table and conversion;If grayscale is 10bit is shown, then grey decision-making is between 0~1023 after the original gray-scale value of look-up table and conversion.
As shown in figure 8, such as original gray-scale value is A straight lines, if selected for B curves as look-up table, then data are worked as In 255 grey decision-makings become 175, the 256th of look-up table unit should be just (175/255) * 255 at this time;150 grayscale become 90, then the corresponding numeral of 150 grayscale is exactly (90/150) * 255 among look-up table.Look-up table is all to 28 powers or 2 10 powers do normalized.
Fig. 9 is a kind of flow chart of the display brightness method of adjustment shown according to another exemplary embodiment, such as Fig. 9 institutes Show, optionally, this method further includes:
In step S91, the brightness value of environment is detected;
In step S92, screen display brightness value is adjusted according to ambient brightness value;
In step S93, the relation of present intensity value and setting value after screen adjustment is judged;
In step S94, when judging present intensity value less than the first setting brightness, first kind grey decision-making is adjusted;
In step S95, when judging present intensity value higher than the second setting brightness, the second class grey decision-making is adjusted.
When ambient brightness is relatively low, terminal can automatically adjust the display brightness of screen first, but the screen after adjusting is shown Show brightness for a user, in this case it is still possible to it is still very bright, also, after user opens some application programs, on screen Display brightness is still returned to the brightness before brightness regulation, in this way, user experience is poor.In alternative, in screen After brightness regulation, the brightness to diverse location on screen judges again, and different ashes is carried out for the part of different brightness Degree is adjusted, and as shown in Figure 7a, the top half grey decision-making of screen is larger, and brightness is relatively low, it may not be necessary to grayscale adjustment is carried out again, The latter half grayscale of screen is smaller, and brightness is higher, can only adjust the latter half of screen.So so that no matter at which kind of In the case of, the brightness of screen display interface can be effectively reduced, and achieve the purpose that to protect screen user's eyesight.
Figure 10 is a kind of flow chart of the display brightness method of adjustment shown according to another exemplary embodiment, such as Figure 10 institutes Show, optionally, described to obtain in display interface before the original gray-scale value of pixel, the method further includes:
In step S101, the brightness value of the pixel in display interface is detected;
In step s 102, whether the brightness value of pixel exceedes setting brightness value in the interface for judging to detect;
In step s 103, when judging to exceed setting brightness value, the institute for exceeding the pixel of setting brightness value is determined In positional information;
In step S104, the grey decision-making for the pixel for determining position is adjusted.
In alternative, the grayscale that pixel is carried out according to the brightness of each pixel on screen adjusts, in this way, can be with The brightness of screen display interface is more quickly and accurately reduced, achievees the purpose that to protect screen user's eyesight.
Figure 11 is a kind of flow chart of the display brightness method of adjustment shown according to another exemplary embodiment, such as Figure 11 institutes Show, optionally, the method further includes:
In step S111, the color gamut space value of screen display is obtained;
In step S112, according to the color gamut space value got, the grey decision-making of each pixel in display interface is adjusted.
In alternative, certain table color pattern institute of the color gamut space value, i.e. screen of screen display is also further obtained The corresponding numerical value in range areas that the number of colors that can be expressed is formed, for different color gamut spaces, using different grayscale Adjustment.So so that the adjustment to screen intensity is more in line with the performance of screen, and the effect of brightness adjustment is more preferable, protects user Eyesight.
Figure 12 is a kind of flow chart of the display brightness method of adjustment shown according to another exemplary embodiment, such as Figure 12 institutes Show, optionally, this method further includes:
In step S121, establish corresponding each pixel and set pair of different groups of the input grey decision-making with exporting grey decision-making Should be related to, correspondence for input grey decision-making and the output grey decision-making ratio as the size of gray value is into nonlinear change Or linear change, input grey decision-making are not less than 1 with exporting the ratio of grey decision-making;
In step S122, when getting screen brightness value higher than setting brightness, screen display circle is adjusted according to ratio The output gray level value of the pixel in face.
In alternative, the correspondence of grayscale adjustment can be pre-established, the grey decision-making of screen is greater than after adjustment The grey decision-making of forth screen is adjusted, so so that the luminance-reduction of screen after adjustment, to protect user's eyesight.
The present embodiment, among the environment of extremely low brightness, enables display system to export extremely low brightness, reduces to eyes Injury, suitable for the low-light level environment of no lighting apparatus.
Also, it is all effective to all display contents, without being limited to some application program, in this way, without answering each Corresponding Night is all individually developed with degree, reduces the size of resource file, saves memory space, and it is easy to operate, Better user experience.
Figure 13 is a kind of block diagram of display brightness adjusting apparatus according to an exemplary embodiment.As shown in figure 13, The device includes:
First acquisition module 1301 is configured as obtaining the original gray-scale value of pixel in display interface;
Conversion module 1302 is configured as carrying out grey scale transformation to the pixel, obtains grayscale after the conversion of pixel Value;
Grey decision-making adjusts the display interface after first adjustment module 1303 is configured as the conversion according to the pixel Grayscale, wherein, as shown in figure 14, conversion module 1302 can include:
First acquisition submodule 141 is configured as obtaining the corresponding relation data of grey scale transformation, the corresponding relation data Grey decision-making after the corresponding conversion of original gray-scale value including the pixel;
Inquiry submodule 142 is configured as inquiring about the original gray-scale value pair of the pixel from the corresponding relation data Grey decision-making after the conversion answered;
Figure 15 is the block diagram of the conversion module shown according to another exemplary embodiment.As shown in figure 15, optionally, convert Module 1302 includes:
Second acquisition submodule 151 is configured as obtaining the transforming function transformation function of grey scale transformation;
Calculating sub module 152 is configured as being calculated according to the original gray-scale value of the transforming function transformation function and the pixel Grey decision-making after the conversion of pixel.
Figure 16 is the block diagram of the conversion module shown according to another exemplary embodiment.As shown in figure 16, optionally, convert Module 1302 includes:
Detection sub-module 161 is configured as detection current environment brightness;
Selection submodule 162 is configured as according to correspondence number of the current environment brightness selection for grey scale transformation According to;
The inquiry submodule 142 is configured as determining the original of the pixel according to the corresponding relation data of selection Grey decision-making after the corresponding conversion of beginning grey decision-making;Or
The conversion module 1302 includes:
Detection sub-module 161, for detecting current environment brightness;
Submodule 162 is selected, for according to transforming function transformation function of the current environment brightness selection for grey scale transformation;
The calculating sub module 152, for determining the original gray-scale value pair of the pixel according to the transforming function transformation function of selection Grey decision-making after the conversion answered.
In one embodiment, the first acquisition submodule 141 is configured as:
Obtain the figure place showing of the original gray-scale value;
According to corresponding relation data of the figure place showing of the original gray-scale value selection for grey scale transformation;
According to grayscale after the corresponding conversion of original gray-scale value of the corresponding relation data of the selection inquiry pixel Value.
In one embodiment, the second acquisition submodule 151 is configured as:
Obtain the figure place showing of the original gray-scale value;
According to transforming function transformation function of the figure place showing of the original gray-scale value selection for grey scale transformation;
The calculating sub module 152, for calculating the original gray-scale of the pixel according to the transforming function transformation function of selection It is worth grey decision-making after corresponding conversion.
Figure 17 is the block diagram of the conversion module shown according to another exemplary embodiment.As shown in figure 17, optionally, convert Module 1302 includes:
Detection sub-module 171 is configured as detection current environment brightness;
When transformation submodule 172 is configured as the current environment brightness and is less than or equal to predetermined luminance value, to described Pixel carries out grey scale transformation, obtains grey decision-making after the conversion of pixel.
Figure 18 is a kind of block diagram of the display brightness adjusting apparatus shown according to another exemplary embodiment.Such as Figure 18 institutes Show, optionally, described device further includes:
First detection module 1304, for detecting the brightness value of environment;
Second adjustment module 1305, for adjusting screen display brightness value according to ambient brightness value;
First judgment module 1306, for judge screen adjustment after present intensity value and setting value relation;
The first adjustment module 1303, for when judging present intensity value less than the first setting brightness, adjustment the A kind of grey decision-making;When judging present intensity value higher than the second setting brightness, the second class grey decision-making is adjusted.
Figure 19 is a kind of block diagram of the display brightness adjusting apparatus shown according to another exemplary embodiment.Such as Figure 19 institutes Show, optionally, described device further includes:
Second detection module 1307, for before the original gray-scale value of pixel in obtaining display interface, detection to be shown The brightness value of pixel in interface;
Whether the second judgment module 1308, the brightness value for judging pixel in the interface that detects exceed setting brightness Value;
Determining module 1309, for when judging to exceed setting brightness value, determining the picture for exceeding setting brightness value The position information of vegetarian refreshments;
The first adjustment module 1303, the grey decision-making of the pixel for adjusting the definite position.
Figure 20 is a kind of block diagram of the display brightness adjusting apparatus shown according to another exemplary embodiment.Such as Figure 20 institutes Show, optionally, described device further includes:
Second acquisition module 1310, for obtaining the color gamut space value of screen display;
The first adjustment module 1303, for according to the color gamut space value got, adjusting the display interface In each pixel grey decision-making.
Figure 21 is a kind of block diagram of the display brightness adjusting apparatus shown according to another exemplary embodiment.Such as Figure 21 institutes Show, optionally, which further includes:
Module 1311 is established, different groups of input grey decision-making and output grey decision-making are set for establishing corresponding each pixel Correspondence, the correspondence for it is described input grey decision-making with it is described output grey decision-making ratio with the size of gray value Into nonlinear change or linear change, the input grey decision-making is not less than 1 with exporting the ratio of grey decision-making;
It is described first adjustment module 1303, for when get screen brightness value higher than setting brightness when, according to the ratio The output gray level value of the pixel of value adjustment screen display interface.
On the device in above-described embodiment, wherein modules perform the concrete mode of operation in related this method Embodiment in be described in detail, explanation will be not set forth in detail herein.
The disclosure also provides a kind of display brightness adjusting apparatus, including:
Processor;
For storing the memory of processor-executable instruction;
Wherein, the processor is configured as:
Obtain the original gray-scale value of each pixel in display interface;
Grey scale transformation is carried out to the pixel, obtains grey decision-making after the conversion of pixel;
The grayscale of the display interface is adjusted according to grey decision-making after the conversion of the pixel;
It is described that grey scale transformation is carried out to the pixel, grey decision-making after the conversion of pixel is obtained, including:
The corresponding relation data of grey scale transformation is obtained, the corresponding relation data includes the original gray-scale value of the pixel Grey decision-making after corresponding conversion;
Grey decision-making after the corresponding conversion of original gray-scale value of the pixel is inquired about from the corresponding relation data.
Figure 22 is a kind of block diagram of device for display brightness adjustment according to an exemplary embodiment.For example, Device 2200 can be mobile phone, computer, digital broadcast terminal, messaging devices, game console, tablet device, Medical Devices, body-building equipment, personal digital assistant etc..
As shown in figure 22, device 2200 can include following one or more assemblies:Processing component 2202, memory 2204, power supply module 2206, multimedia component 2208, audio component 2210, the interface 2212 of input/output (I/O), sensor Component 2214, and communication component 2216.
The integrated operation of the usual control device 2200 of processing component 2202, such as with display, call, data communication, The operation that camera operation and record operation are associated.Processing component 2202 can be performed including one or more processors 2220 Instruction, to complete all or part of step of above-mentioned method.In addition, processing component 2202 can include one or more moulds Block, easy to the interaction between processing component 2202 and other assemblies.For example, processing component 2202 can include multi-media module, To facilitate the interaction between multimedia component 2208 and processing component 2202.
Memory 2204 is configured as storing various types of data to support the operation in device 2200.These data Example includes being used for the instruction of any application program or method operated on device 2200, contact data, telephone book data, Message, picture, video etc..Memory 2204 can by any kind of volatibility or non-volatile memory device or they Combination is realized, such as static RAM (SRAM), electrically erasable programmable read-only memory (EEPROM), it is erasable can Program read-only memory (EPROM), programmable read only memory (PROM), read-only storage (ROM), magnetic memory, flash memory Reservoir, disk or CD.
Power supply module 2206 provides electric power for the various assemblies of device 2200.Power supply module 2206 can include power management System, one or more power supplys, and other components associated with generating, managing and distributing electric power for device 2200.
Multimedia component 2208 is included in the screen of one output interface of offer between described device 2200 and user. In some embodiments, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, Screen may be implemented as touch-screen, to receive input signal from the user.Touch panel includes one or more touch and passes Sensor is to sense the gesture on touch, slip and touch panel.The touch sensor can not only sense touch or slide dynamic The border of work, but also detection and the duration and pressure associated with the touch or slide operation.In certain embodiments, it is more Media component 2208 includes a front camera and/or rear camera.When device 2200 is in operator scheme, mould is such as shot When formula or video mode, front camera and/or rear camera can receive exterior multi-medium data.Each preposition shooting Head and rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 2210 is configured as output and/or input audio signal.For example, audio component 2210 includes a wheat Gram wind (MIC), when device 2200 is in operator scheme, during such as call model, logging mode and speech recognition mode, microphone quilt It is configured to receive external audio signal.The received audio signal can be further stored in memory 2204 or via communication Component 2216 is sent.In certain embodiments, audio component 2210 further includes a loudspeaker, for exports audio signal.
I/O interfaces 2212 provide interface, above-mentioned peripheral interface module between processing component 2202 and peripheral interface module Can be keyboard, click wheel, button etc..These buttons may include but be not limited to:Home button, volume button, start button and Locking press button.
Sensor component 2214 includes one or more sensors, and the state for providing various aspects for device 2200 is commented Estimate.For example, sensor component 2214 can detect opening/closed mode of device 2200, the relative positioning of component, such as institute The display and keypad that component is device 2200 are stated, sensor component 2214 can be with detection device 2200 or device 2,200 1 The position of a component changes, the existence or non-existence that user contacts with device 2200,2200 orientation of device or acceleration/deceleration and dress Put 2200 temperature change.Sensor component 2214 can include proximity sensor, be configured in no any physics Presence of nearby objects is detected during contact.Sensor component 2214 can also include optical sensor, as CMOS or ccd image are sensed Device, for being used in imaging applications.In certain embodiments, which can also include acceleration sensing Device, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 2216 is configured to facilitate the communication of wired or wireless way between device 2200 and other equipment.Dress The wireless network based on communication standard, such as WiFi, 2G or 3G, or combinations thereof can be accessed by putting 2200.It is exemplary at one In embodiment, communication component 2216 receives broadcast singal or broadcast correlation from external broadcasting management system via broadcast channel Information.In one exemplary embodiment, the communication component 2216 further includes near-field communication (NFC) module, to promote short distance Communication.For example, radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band can be based in NFC module (UWB) technology, bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 2200 can be by one or more application application-specific integrated circuit (ASIC), numeral Signal 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 performing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instructing, example are additionally provided Such as include the memory 2204 of instruction, above-metioned instruction can be performed to complete the above method by the processor 2220 of device 2200.Example Such as, the non-transitorycomputer readable storage medium can be ROM, it is random access memory (RAM), CD-ROM, tape, soft Disk and 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 performs so that mobile terminal is able to carry out a kind of display brightness method of adjustment, the described method includes:
Obtain the original gray-scale value of pixel in display interface;
Grey scale transformation is carried out to the pixel, obtains grey decision-making after the conversion of pixel;
The grayscale of the display interface is adjusted according to grey decision-making after the conversion of the pixel;
It is described that grey scale transformation is carried out to the pixel, grey decision-making after the conversion of pixel is obtained, including:
The corresponding relation data of grey scale transformation is obtained, the corresponding relation data includes the original gray-scale value of the pixel Grey decision-making after corresponding conversion;
Grey decision-making after the corresponding conversion of original gray-scale value of the pixel is inquired about from the corresponding relation data;
Alternatively,
Alternatively, it is described that grey scale transformation is carried out to the pixel, grey decision-making after the conversion of pixel is obtained, including:
Obtain the transforming function transformation function of grey scale transformation;
Grey decision-making after the conversion of pixel is calculated according to the original gray-scale value of the transforming function transformation function and the pixel.
Optionally, it is described that grey scale transformation is carried out to the pixel, grey decision-making after the conversion of pixel is obtained, including:
Detect current environment brightness;
According to corresponding relation data or transforming function transformation function of the current environment brightness selection for grey scale transformation;
According to grayscale after the corresponding conversion of original gray-scale value of the corresponding relation data of the selection inquiry pixel Value, or calculate according to the transforming function transformation function of selection grey decision-making after the corresponding conversion of original gray-scale value of the pixel.
Optionally, it is described that grey scale transformation is carried out to the pixel, grey decision-making after the conversion of pixel is obtained, including:
Obtain the figure place showing of the original gray-scale value;
According to corresponding relation data or transforming function transformation function of the figure place showing of the original gray-scale value selection for grey scale transformation;
According to grayscale after the corresponding conversion of original gray-scale value of the corresponding relation data of the selection inquiry pixel Value, or calculate according to the transforming function transformation function of selection grey decision-making after the corresponding conversion of original gray-scale value of the pixel.
Optionally, it is described that grey scale transformation is carried out to the pixel, grey decision-making after the conversion of pixel is obtained, including:
Detect current environment brightness;
When the current environment brightness is less than or equal to predetermined luminance value, grey scale transformation is carried out to the pixel, is obtained Grey decision-making after to the conversion of pixel.
Optionally, the method further includes:
Detect the brightness value of environment;
Screen display brightness value is adjusted according to ambient brightness value;
Judge the relation of present intensity value and setting value after screen adjustment;
When judging present intensity value less than the first setting brightness, first kind grey decision-making is adjusted;
When judging present intensity value higher than the second setting brightness, the second class grey decision-making is adjusted.
Optionally, described to obtain in display interface before the original gray-scale value of pixel, the method further includes:
Detect the brightness value of the pixel in display interface;
Whether the brightness value of pixel exceedes setting brightness value in the interface for judging to detect;
When judging to exceed setting brightness value, the position letter of the pixel for exceeding setting brightness value is determined Breath;
Adjust the grey decision-making of the pixel of the definite position.
Optionally, the method further includes:
Obtain the color gamut space value of screen display;
According to the color gamut space value got, the grey decision-making of each pixel in the display interface is adjusted.
Optionally, the method further includes:
Establish corresponding each pixel and set correspondence of different groups of the input grey decision-making with exporting grey decision-making, it is described right The ratio for the input grey decision-making and the output grey decision-making should be related to as the size of gray value is into nonlinear change or line Property change, it is described input grey decision-making with export grey decision-making ratio be not less than 1;
When getting screen brightness value higher than setting brightness, according to the pixel of ratio adjustment screen display interface Output gray level value.
Those skilled in the art will readily occur to the disclosure its after considering specification and putting into practice invention 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 principle of the disclosure and including the undocumented common knowledge in the art of the disclosure Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope and spirit of the disclosure are by following Claim is pointed out.
It should be appreciated 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 appended claim.

Claims (21)

  1. A kind of 1. display lightness regulating method, it is characterised in that including:
    Obtain the original gray-scale value of pixel in display interface;
    Grey scale transformation is carried out to the pixel, obtains grey decision-making after the conversion of pixel;
    The grey decision-making of the display interface is adjusted according to grey decision-making after the conversion of the pixel;
    Wherein, it is described that grey scale transformation is carried out to the pixel, grey decision-making after the conversion of pixel is obtained, including:
    The corresponding relation data of grey scale transformation is obtained, the original gray-scale value that the corresponding relation data includes the pixel corresponds to Conversion after grey decision-making;
    Grey decision-making after the corresponding conversion of original gray-scale value of the pixel is inquired about from the corresponding relation data.
  2. 2. according to the method described in claim 1, it is characterized in that, it is described to the pixel carry out grey scale transformation, obtain picture Grey decision-making after the conversion of vegetarian refreshments, including:
    Obtain the transforming function transformation function of grey scale transformation;
    Grey decision-making after the conversion of pixel is calculated according to the original gray-scale value of the transforming function transformation function and the pixel.
  3. 3. method according to claim 1 or 2, it is characterised in that it is described that grey scale transformation is carried out to the pixel, obtain Grey decision-making after the conversion of pixel, including:
    Detect current environment brightness;
    According to corresponding relation data or transforming function transformation function of the current environment brightness selection for grey scale transformation;
    According to grey decision-making after the corresponding conversion of original gray-scale value of the corresponding relation data of the selection inquiry pixel, or According to grey decision-making after the corresponding conversion of original gray-scale value of the transforming function transformation function of the selection calculating pixel.
  4. 4. method according to claim 1 or 2, it is characterised in that it is described that grey scale transformation is carried out to the pixel, obtain Grey decision-making after the conversion of pixel, including:
    Obtain the figure place showing of the original gray-scale value;
    According to corresponding relation data or transforming function transformation function of the figure place showing of the original gray-scale value selection for grey scale transformation;
    According to grey decision-making after the corresponding conversion of original gray-scale value of the corresponding relation data of the selection inquiry pixel, or According to grey decision-making after the corresponding conversion of original gray-scale value of the transforming function transformation function of the selection calculating pixel.
  5. 5. according to the method described in claim 1, it is characterized in that, it is described to the pixel carry out grey scale transformation, obtain picture Grey decision-making after the conversion of vegetarian refreshments, including:
    Detect the brightness value of environment;
    When the brightness value of the environment is less than or equal to predetermined luminance value, grey scale transformation is carried out to the pixel, obtains picture Grey decision-making after the conversion of vegetarian refreshments.
  6. 6. according to the method described in claim 1, it is characterized in that, the method further includes:
    Detect the brightness value of environment;
    Screen display brightness value is adjusted according to ambient brightness value;
    Judge the relation of present intensity value and setting value after screen adjustment;
    When judging present intensity value less than the first setting brightness, first kind grey decision-making is adjusted;
    When judging present intensity value higher than the second setting brightness, the second class grey decision-making is adjusted.
  7. 7. display lightness regulating method according to claim 6, it is characterised in that pixel in the acquisition display interface Original gray-scale value before, the method further includes:
    Detect the brightness value of the pixel in display interface;
    Whether the brightness value of pixel exceedes setting brightness value in the interface for judging to detect;
    When judging to exceed setting brightness value, the position information of the pixel for exceeding setting brightness value is determined;
    Adjust the grey decision-making of the pixel of the definite position.
  8. 8. according to the method described in claim 1, it is characterized in that, the method further includes:
    Obtain the color gamut space value of screen display;
    According to the color gamut space value got, the grey decision-making of each pixel in the display interface is adjusted.
  9. 9. according to the method any one of claim 6-8, it is characterised in that the method further includes:
    Establish correspondence of the input grey decision-making of corresponding each different groups of pixel setting with exporting grey decision-making, the corresponding pass It is to become for the ratio of the input grey decision-making and the output grey decision-making with the size of gray value into nonlinear change or linearly Change, the input grey decision-making is not less than 1 with exporting the ratio of grey decision-making;
    When get screen brightness value higher than setting brightness when, according to the ratio adjustment screen display interface pixel it is defeated Go out gray value.
  10. A kind of 10. display brightness regulating device, it is characterised in that including:
    First acquisition module, for obtaining the original gray-scale value of pixel in display interface;
    Conversion module, for carrying out grey scale transformation to the pixel, obtains grey decision-making after the conversion of pixel;
    First adjustment module, the grayscale of the display interface is adjusted for grey decision-making after the conversion according to the pixel;
    Wherein, the conversion module includes:
    First acquisition submodule, for obtaining the corresponding relation data of grey scale transformation, the corresponding relation data includes the picture Grey decision-making after the corresponding conversion of original gray-scale value of vegetarian refreshments;
    Submodule is inquired about, after the corresponding conversion of original gray-scale value for inquiring about the pixel from the corresponding relation data Grey decision-making.
  11. 11. device according to claim 10, it is characterised in that the conversion module includes:
    Second acquisition submodule, for obtaining the transforming function transformation function of grey scale transformation;
    Calculating sub module, for the change of pixel to be calculated according to the original gray-scale value of the transforming function transformation function and the pixel Change rear grey decision-making.
  12. 12. device according to claim 10, it is characterised in that the conversion module further includes:
    Detection sub-module, for detecting current environment brightness;
    Submodule is selected, for according to corresponding relation data of the current environment brightness selection for grey scale transformation;
    The inquiry submodule, for determining the original gray-scale value pair of the pixel according to the corresponding relation data of selection Grey decision-making after the conversion answered.
  13. 13. according to the devices described in claim 11, it is characterised in that the conversion module further includes:
    Detection sub-module, for detecting current environment brightness;
    Submodule is selected, for according to transforming function transformation function of the current environment brightness selection for grey scale transformation;
    The calculating sub module, the corresponding conversion of original gray-scale value for determining the pixel according to the transforming function transformation function of selection Grey decision-making afterwards.
  14. 14. device according to claim 10, it is characterised in that first acquisition submodule is used for:
    Obtain the figure place showing of the original gray-scale value;
    According to corresponding relation data of the figure place showing of the original gray-scale value selection for grey scale transformation;
    The inquiry submodule, for inquiring about the original gray-scale value pair of the pixel according to the corresponding relation data of selection Grey decision-making after the conversion answered.
  15. 15. according to the devices described in claim 11, it is characterised in that second acquisition submodule is used for:
    Obtain the figure place showing of the original gray-scale value;
    According to transforming function transformation function of the figure place showing of the original gray-scale value selection for grey scale transformation;
    The calculating sub module, the original gray-scale value for calculating the pixel according to the transforming function transformation function of selection are corresponding Grey decision-making after conversion.
  16. 16. device according to claim 10, it is characterised in that the conversion module includes:
    Detection sub-module, for detecting current environment brightness;
    Transformation submodule, for when the current environment brightness is less than or equal to predetermined luminance value, being carried out to the pixel Grey scale transformation, obtains grey decision-making after the conversion of pixel.
  17. 17. device according to claim 10, it is characterised in that described device further includes:
    First detection module, for detecting the brightness value of environment;
    Second adjustment module, for adjusting screen display brightness value according to ambient brightness value;
    First judgment module, for judge screen adjustment after present intensity value and setting value relation;
    The first adjustment module, for when judging present intensity value less than the first setting brightness, adjusting first kind grayscale Value;When judging present intensity value higher than the second setting brightness, the second class grey decision-making is adjusted.
  18. 18. device according to claim 17, it is characterised in that described device further includes:
    Second detection module, for before the original gray-scale value of pixel in obtaining display interface, detecting in display interface The brightness value of pixel;
    Whether the second judgment module, the brightness value for judging pixel in the interface that detects exceed setting brightness value;
    Determining module, for when judging to exceed setting brightness value, determining the institute of the pixel for exceeding setting brightness value In positional information;
    The first adjustment module, the grey decision-making of the pixel for adjusting the definite position.
  19. 19. device according to claim 10, it is characterised in that described device further includes:
    Second acquisition module, for obtaining the color gamut space value of screen display;
    The first adjustment module, for according to the color gamut space value got, adjusting each picture in the display interface The grey decision-making of vegetarian refreshments.
  20. 20. according to the device any one of claim 17-19, it is characterised in that described device further includes:
    Module is established, different groups of input grey decision-making is set with exporting the corresponding pass of grey decision-making for establishing corresponding each pixel System, the correspondence is for the input grey decision-making with the ratio for exporting grey decision-making as the size of gray value is into non-linear Change or linear change, the input grey decision-making are not less than 1 with exporting the ratio of grey decision-making;
    The first adjustment module, for when getting screen brightness value higher than setting brightness, adjusting and shielding according to the ratio The output gray level value of the pixel of curtain display interface.
  21. A kind of 21. display brightness adjusting apparatus, it is characterised in that including:
    Processor;
    For storing the memory of processor-executable instruction;
    Wherein, the processor is configured as:
    Obtain the original gray-scale value of each pixel in display interface;
    Grey scale transformation is carried out to the pixel, obtains grey decision-making after the conversion of pixel;
    The grayscale of the display interface is adjusted according to grey decision-making after the conversion of the pixel;
    It is described that grey scale transformation is carried out to the pixel, grey decision-making after the conversion of pixel is obtained, including:
    The corresponding relation data of grey scale transformation is obtained, the original gray-scale value that the corresponding relation data includes the pixel corresponds to Conversion after grey decision-making;
    Grey decision-making after the corresponding conversion of original gray-scale value of the pixel is inquired about from the corresponding relation data.
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