CN110379364A - Brightness adjusting method, device and chip based on display driving - Google Patents
Brightness adjusting method, device and chip based on display driving Download PDFInfo
- Publication number
- CN110379364A CN110379364A CN201910641072.7A CN201910641072A CN110379364A CN 110379364 A CN110379364 A CN 110379364A CN 201910641072 A CN201910641072 A CN 201910641072A CN 110379364 A CN110379364 A CN 110379364A
- Authority
- CN
- China
- Prior art keywords
- value
- brightness
- pixel
- gamma
- preset
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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]
-
- 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
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
- G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
-
- 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
Abstract
This disclosure relates to a kind of brightness adjusting method, device and chip based on display driving.The method includes the first rgb values to each pixel in picture to be processed to carry out color gamut conversion, obtains the first brightness value and chromatic value of each pixel；According to the first brightness value of each pixel, preset gamma value and preset first brightness regulation parameter, the second brightness value of each pixel is determined；Colour gamut inverse conversion is carried out to the second brightness value and chromatic value of each pixel, determines the second rgb value of each pixel, the target picture after obtaining brightness regulation.The embodiment of the present disclosure can make the brightness regulation for showing picture not only conform with the visual law of human eye, nor influence other display characteristics of picture.
Description
Technical field
This disclosure relates to field of display technology more particularly to it is a kind of based on display driving brightness adjusting method, device and
Chip.
Background technique
In current OLED (OrganicLight-Emitting Diode, Organic Light Emitting Diode) display driver chip
In, generally there are multiple independent algoritic modules (such as brightness control module, automatic brightness adjustment module etc.) according to processor
The brightness of display picture is adjusted in instruction or hardware algorithm.Interior data stream is generally based on the transmission mode of RGB, i.e.,
A pixel for showing picture includes red, blue, green three sub-pixels, and determines the pixel with the grayscale size of three sub-pixels
Characteristic (such as color, coloration, brightness).When carrying out brightness regulation, algoritic module typically directly operates the grayscale of sub-pixel, leads to
It crosses the grayscale of three sub-pixels while scaling corresponding proportion, complete the brightness regulation to the pixel.But this brightness regulation
Mode and the visual law for not meeting human eye, and other features that pixel is also changed while brightness are being adjusted, it may
Certain damage is caused to coloration, the concentration etc. of image.
Summary of the invention
In view of this, the present disclosure proposes a kind of brightness regulation technical solutions based on display driving.
According to the one side of the disclosure, a kind of brightness adjusting method based on display driving is provided, which comprises
To in picture to be processed each pixel the first rgb value carry out color gamut conversion, obtain the first brightness value of each pixel with
And chromatic value；According to the first brightness value of each pixel, preset gamma value and preset first brightness regulation parameter, really
Second brightness value of fixed each pixel；Colour gamut inverse conversion is carried out to the second brightness value and chromatic value of each pixel, really
Second rgb value of fixed each pixel, the target picture after obtaining brightness regulation.
In one possible implementation, according to the first brightness value of each pixel, preset gamma value and pre-
If the first brightness regulation parameter, determine the second brightness value of each pixel, comprising: according to preset gamma value, to default
The first brightness regulation parameter carry out inverse gamma and handle, obtain the second brightness regulation parameter；Joined according to second brightness regulation
First brightness value of several and each pixel determines the second brightness value of each pixel.
In one possible implementation, according to the first brightness value of each pixel, preset gamma value and pre-
If the first brightness regulation parameter, determine the second brightness value of each pixel, comprising: according to preset gamma value, to each
First brightness value of pixel carries out gamma processing, obtains the third brightness value of each pixel；To the third of each pixel
Brightness value and preset first brightness regulation parameter carry out product calculation, obtain the 4th brightness value of each pixel；According to
Preset gamma value carries out inverse gamma to the 4th brightness value of each pixel and handles, obtains the second brightness of each pixel
Value.
In one possible implementation, according to preset gamma value, preset first brightness regulation parameter is carried out
Inverse gamma is handled, and obtains the second brightness regulation parameter, comprising: according to preset gamma value, using linear interpolation to preset
First brightness regulation parameter carries out inverse gamma and handles, and obtains the second brightness regulation parameter.
In one possible implementation, the method is adjusted for the picture brightness in display driver chip.
According to another aspect of the present disclosure, a kind of brightness regulating apparatus described device packet based on display driving is provided
Include: color gamut conversion module carries out color gamut conversion for the first rgb value to each pixel in picture to be processed, obtains each
The first brightness value and chromatic value of pixel；Luminance parameter processing module, for according to the first brightness value of each pixel,
Preset gamma value and preset first brightness regulation parameter, determine the second brightness value of each pixel；Colour gamut inverse conversion
Module carries out colour gamut inverse conversion for the second brightness value and chromatic value to each pixel, determines the of each pixel
Two rgb values, the target picture after obtaining brightness regulation.
In one possible implementation, the luminance parameter processing module, comprising: first handles submodule against gamma
Block, for carrying out inverse gamma to preset first brightness regulation parameter and handling, obtain the second brightness tune according to preset gamma value
Save parameter；First brightness value determines submodule, for according to the first of the second brightness regulation parameter and each pixel
Brightness value determines the second brightness value of each pixel.
In one possible implementation, the luminance parameter processing module, comprising: gamma handles submodule, is used for
According to preset gamma value, gamma processing is carried out to the first brightness value of each pixel, the third for obtaining each pixel is bright
Angle value；Second brightness value determines submodule, for each pixel third brightness value and preset first brightness regulation
Parameter carries out product calculation, obtains the 4th brightness value of each pixel；Second handles submodule against gamma, for according to default
Gamma value, inverse gamma is carried out to the 4th brightness value of each pixel and is handled, the second brightness value of each pixel is obtained.
In one possible implementation, described first submodule is handled against gamma, be used for: according to preset gamma
Value carries out inverse gamma to preset first brightness regulation parameter using linear interpolation and handles, obtains the second brightness regulation parameter.
In one possible implementation, described device is adjusted for the picture brightness in display driver chip.
According to another aspect of the present disclosure, a kind of chip is provided, the chip includes as above described in any item is based on
Show the brightness regulating apparatus of driving.
According to another aspect of the present disclosure, a kind of display panel is provided, the display panel includes: display component；Such as
The upper chip.
In one possible implementation, the display component includes LCD assembly, diode displaying group
At least one of part, organic light-emitting diode display component, OLED display component.
According to another aspect of the present disclosure, a kind of electronic equipment is provided, the electronic equipment includes as above any described
Display panel.
In accordance with an embodiment of the present disclosure, the rgb value for showing each pixel in picture is converted to by color gamut conversion bright
Angle value and chromatic value, and according to the gamma value for the visual law for meeting human eye and brightness regulation parameter, to each pixel
Brightness value handled, the brightness value after being adjusted, then by colour gamut inverse conversion by the adjusted bright of each pixel
Angle value and chromatic value are converted to rgb value adjusted, the target picture after obtaining brightness regulation, so that display picture
The brightness regulation in face not only conforms with the visual law of human eye, nor influences other display characteristics of picture.
According to below with reference to the accompanying drawings to detailed description of illustrative embodiments, the other feature and aspect of the disclosure will become
It is clear.
Detailed description of the invention
Comprising in the description and constituting the attached drawing of part of specification and specification together illustrates the disclosure
Exemplary embodiment, feature and aspect, and for explaining the principles of this disclosure.
Fig. 1 shows the flow chart of the brightness adjusting method based on display driving according to one embodiment of the disclosure.
Fig. 2 shows the schematic diagrames according to the linear interpolation of one embodiment of the disclosure.
Fig. 3 shows the schematic diagram handled according to the brightness value of one embodiment of the disclosure.
Fig. 4 shows the schematic diagram of the application scenarios of the brightness adjusting method according to one embodiment of the disclosure.
Fig. 5 shows the block diagram of the brightness regulating apparatus based on display driving according to one embodiment of the disclosure.
Specific embodiment
Various exemplary embodiments, feature and the aspect of the disclosure are described in detail below with reference to attached drawing.It is identical in attached drawing
Appended drawing reference indicate element functionally identical or similar.Although the various aspects of embodiment are shown in the attached drawings, remove
It non-specifically points out, it is not necessary to attached drawing drawn to scale.
Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.
In addition, giving numerous details in specific embodiment below to better illustrate the disclosure.
It will be appreciated by those skilled in the art that without certain details, the disclosure equally be can be implemented.In some instances, for
Method, means, element and circuit well known to those skilled in the art are not described in detail, in order to highlight the purport of the disclosure.
Fig. 1 shows the flow chart of the brightness adjusting method based on display driving according to one embodiment of the disclosure.The side
Method can be applied to display driver chip, for carrying out brightness regulation to display picture.
As shown in Figure 1, this method comprises:
Step S11 carries out color gamut conversion to the first rgb value of each pixel in picture to be processed, obtains each pixel
The first brightness value and chromatic value of point.
In one possible implementation, the display of picture to be processed can be based on rgb color mode.Wherein, RGB color
Color mode is by obtaining to red (R), green (G), the variation of blue (B) three Color Channels and their mutual superpositions
Miscellaneous color.Red (R), green (G), blue (B) three colors respectively have 256 rank brightness (i.e. 256 grayscale), and available digital indicates
For 0,1 ..., 255.Color mode based on RGB, in picture to be processed first rgb value of each pixel may include it is red, green,
The grayscale of blue three sub-pixels, for example, the first rgb value of pixel is represented by (120,100,200).According to the three of pixel
The grayscale size of a sub-pixel, can determine feature of the pixel, such as color, coloration, brightness etc..
It in one possible implementation, can be to the first rgb value progress color of each pixel in picture to be processed
Domain conversion, is transformed into the YUV that luminance information is separated with color information from RGB color for the first rgb value of each pixel
Color space obtains the YUV value of each pixel, wherein a YUV value includes the Y value for indicating brightness and the U for indicating coloration
Value and V value, so as to obtain the first brightness value Y and chromatic value UV of each pixel.
It should be appreciated that the first rgb value is converted to there are many conversion formulas of YUV value, those skilled in the art can root
According to actual needs select conversion formula, the disclosure to this with no restriction.
Step S12, according to the first brightness value of each pixel, preset gamma value and preset first brightness regulation
Parameter determines the second brightness value of each pixel.
In one possible implementation, preset gamma value can according to the visual law of display panel and human eye come
It determines, for example, gamma value is 2.2 (i.e. Gamma=2.2).Wherein, the visual law of human eye refers to that human eye is to the perception of brightness
Nonlinear, human eye is more sensitive to brightness change when brightness is lower, on the contrary then insensitive.Those skilled in the art can be according to reality
Border situation (such as different display panels) determines the specific value of gamma value, the disclosure to this with no restriction.
In one possible implementation, preset first brightness regulation parameter can be display driver chip from outside
Received brightness regulation parameter.When display driver chip difference, the value range of the first brightness regulation parameter may be different.Example
Such as, the value range of the first brightness regulation parameter can be the integer of 0-255 or the integer of 0-1023.Art technology
Personnel can with the value range of the first brightness regulation parameter determines according to actual conditions, the disclosure to this with no restriction.
It in one possible implementation, can be defeated from user from external received first brightness regulation parameter
Enter, can also be perceived from extraneous light, may also originate from system setting, for example, the automatic switchover of day/night mode, or
From other modes.The disclosure to this with no restriction.
In one possible implementation, can according to preset gamma value and preset first brightness regulation parameter,
First brightness value Y of each pixel is handled, the second brightness value Y ' of each pixel is obtained.
Step S13 carries out colour gamut inverse conversion to the second brightness value and chromatic value of each pixel, determines each pixel
Second rgb value of point, the target picture after obtaining brightness regulation.
In one possible implementation, the second brightness value Y ' for determining each pixel later, can be to each picture
The the second brightness value Y ' and its chromatic value UV of vegetarian refreshments carry out colour gamut inverse conversion, and the Y ' UV value of each pixel is empty from YUV color
Between be transformed into RGB color, obtain the second rgb value of each pixel.According to the second rgb value of each pixel
Target picture after obtaining brightness regulation.
It should be appreciated that Y ' UV value to be converted to the process of the second rgb value, with being converted to the first rgb value in step S11
The process of YUV value is opposite.
In accordance with an embodiment of the present disclosure, the rgb value for showing each pixel in picture is converted to by color gamut conversion bright
Angle value and chromatic value, and according to the gamma value for the visual law for meeting human eye and brightness regulation parameter, to each pixel
Brightness value handled, the brightness value after being adjusted, then by colour gamut inverse conversion by the adjusted bright of each pixel
Angle value and chromatic value are converted to rgb value adjusted, the target picture after obtaining brightness regulation, so that display picture
The brightness regulation in face not only conforms with the visual law of human eye, nor influences other display characteristics of picture.
In one possible implementation, step S12 can include: bright to preset first according to preset gamma value
It spends adjustment parameter and carries out inverse gamma processing, obtain the second brightness regulation parameter；According to the second brightness regulation parameter and respectively
First brightness value of a pixel determines the second brightness value of each pixel.
Wherein, inverse gamma processing can be the inverse operation of gamma processing.For example, gamma processing can when Gamma value is 2.2
It is expressed as B=A2.2, wherein A is input value, and B is data A by gamma treated output valve, and correspondingly, inverse gamma is handled
Gamma value be 1/2.2=0.45, inverse gamma processing is represented by C=A0.45, wherein C is that data A is handled by inverse gamma
Output valve afterwards.
In one possible implementation, inversion operation can be carried out to preset gamma value, determines that inverse gamma is handled
Gamma value, i.e., the gamma value handled (1/ preset gamma value) as inverse gamma, then can according to inverse gamma handle gal
Horse value carries out inverse gamma to the first brightness regulation parameter and handles, obtains the second brightness regulation parameter.
In one possible implementation, in order to reduce the complexity of hardware logic, to the first brightness regulation parameter into
When the inverse gamma of row is handled, the process of quantification treatment and inverse quantization process can be increased.It can be by for the first brightness regulation parameter
Quantification treatment, inverse gamma processing, inverse quantization process are carried out, the second brightness regulation parameter is obtained.
In one possible implementation, after obtaining the second brightness regulation parameter, can according to the second brightness regulation parameter,
First brightness value of each pixel is adjusted, the second brightness value of each pixel is obtained.
In one possible implementation, following formula (1) can be used to determine the second brightness regulation parameter, under use
Formula (2) is stated to determine the second brightness value of each pixel:
In above-mentioned formula (1) and (2), δ the first brightness regulation parameter of expression, δ ' expression the second brightness regulation parameter,
0.45 indicates that the gamma value of inverse gamma processing, Y indicate the first brightness value, the second brightness value of Y ' expression.
In the present embodiment, it is handled by carrying out inverse gamma to the first brightness regulation parameter, determines the second brightness regulation
Parameter, and be adjusted according to first brightness value of the second brightness regulation parameter to each pixel, determine each pixel
The second brightness value, the visual law for being determined for compliance with human eye of the second brightness value can be made.
In one possible implementation, according to preset gamma value, preset first brightness regulation parameter is carried out
Inverse gamma is handled, and obtains the second brightness regulation parameter, it may include: according to preset gamma value, using linear interpolation to default
The first brightness regulation parameter carry out inverse gamma and handle, obtain the second brightness regulation parameter.
Wherein, linear interpolation is the value of unknown function independent variable according to known to one group and its corresponding function
Value such as utilizes at the approximate calculation method that unknown function other values are determined than relationship.
In one possible implementation, linear interpolation can be used to carry out preset first brightness regulation parameter inverse
Gamma processing, determines the second brightness regulation parameter.
Fig. 2 shows the schematic diagrames according to the linear interpolation of one embodiment of the disclosure.As shown in Fig. 2, the inverse gamma in figure
Curve is curve described in formula (1), and horizontal axis is the reference axis where the first brightness regulation parameter δ, and the value of δ is 0-255's
Integer, the longitudinal axis are the reference axis at the second place brightness regulation parameter δ ', and the value of δ ' is the integer of 0-255.
As shown in Fig. 2, when carrying out inverse gamma processing to the first brightness regulation parameter δ using linear interpolation, it can be inverse
6 key points are chosen on gamma curve, determine the abscissa δ of each key point, and each key point is calculated according to formula (1)
Ordinate δ '；Then according to δ and δ ' value of two adjacent key points, for example, key point M δ and δ ' value and key point N δ
And δ ' value, determine the linear relationship of the δ and δ ' between two adjacent key point M and N；Use the above method, it may be determined that go out curve
The linear relationship of δ and δ ' between upper two all adjacent key points.
In one possible implementation, when using linear interpolation, inverse gal can be determined according to slope of a curve
The quantity of key point on horse curve.In the biggish region of slope, curve high sensitivity can choose more key point, conversely,
Less key point can be chosen.Those skilled in the art can be set according to actual needs quantity and the position of key point, this public affairs
It opens to this with no restriction.
In one possible implementation, after establishing the linear relationship of δ and δ ', the first brightness regulation parameter is carried out inverse
When gamma is handled, its two adjacent key point can be determined, then according to two first according to the value of the first brightness regulation parameter
The linear relationship of δ and δ ' between a key point, determine the second brightness regulation parameter.
In the present embodiment, inverse gamma is carried out to brightness regulation parameter by using linear interpolation to handle, can reduce
Computation complexity improves computational efficiency to save the hardware logic in display driver chip.
In one possible implementation, step S12 can include: according to preset gamma value, to each pixel
First brightness value carries out gamma processing, obtains the third brightness value of each pixel；To the third brightness value of each pixel with
And preset first brightness regulation parameter carries out product calculation, obtains the 4th brightness value of each pixel；According to preset gal
Horse value carries out inverse gamma to the 4th brightness value of each pixel and handles, obtains the second brightness value of each pixel.
It in this implementation, can be first to first when the first brightness value Y to each pixel carries out gamma processing
Brightness value Y carries out quantification treatment, for example, can be used Y/255 by the numerical quantization in the section 0-255 to the section 0-1；Then according to pre-
If gamma value, gamma processing and inverse quantization process are carried out to the first brightness value Y/255 after quantization, obtain each pixel
Third brightness value.For example, preset gamma value is 2.2, can be used Y "=255* [(Y/255)2.2] determine each pixel
Third brightness value Y ".
It, can be by the third brightness value of each pixel and the first brightness after determining the third brightness value of each pixel
Adjustment parameter carries out product calculation, is adjusted to third brightness value, obtains the 4th brightness value of each pixel.For example, can
The 4th brightness value Y " ' of each pixel is determined using Y " '=Y " * (δ/255).It then can be right according to preset gamma value
4th brightness value of each pixel carries out inverse gamma and handles, and obtains the second brightness value of each pixel.For example, preset gal
When horse value is 2.2, the gamma value of inverse gamma processing is 1/2.2.It can be used Y'=255* [(Y " '/255)0.45] each to determine
Second brightness value Y ' of pixel.
In one possible implementation, following formula (3) can be used to determine the second brightness value of each pixel
Y ':
Fig. 3 shows the schematic diagram handled according to the brightness value of one embodiment of the disclosure.As shown in figure 3, to each pixel
Brightness value processing include gamma processing 31, product processing 32, inverse gamma processing 33.
As shown in figure 3, can the first brightness value Y first to each pixel carry out gamma processing 31, obtain each pixel
Then third brightness value Y " and the first brightness regulation parameter after quantification treatment are carried out product calculation by the third brightness value Y " of point
32, the 4th brightness value Y " ' of each pixel is obtained, inverse gamma processing 33 then is being carried out to the 4th brightness value Y " ', is being obtained each
Second brightness value Y ' of a pixel.
In the present embodiment, gamma processing and the first brightness are successively carried out by the first brightness value to each pixel
Adjustment parameter carries out product calculation and inverse gamma is handled, and the second brightness value after obtaining the adjusting of each pixel can make
Obtain the visual law for being determined for compliance with human eye of the second brightness value.
Fig. 4 shows the schematic diagram of the application scenarios of the brightness adjusting method according to one embodiment of the disclosure.Such as
Shown in Fig. 4, carried out display picture brightness regulation when, can first to the first rgb value of each pixel into
Row color gamut conversion 41, obtains the first brightness value Y and chromatic value UV of each pixel, and to the first brightness regulation parameter δ into
The inverse gamma processing 42 of row, obtains the second brightness regulation parameter δ '；Then bright to the first brightness value Y and second in yuv data
Adjustment parameter δ ' carry out product processing 43 is spent, obtains the second brightness value Y ', the Y ' UV data after determining brightness regulation；Then right
Y ' UV data carry out colour gamut inverse conversion 44, obtain the second rgb value of each pixel, to can determine that aobvious after brightness regulation
Show picture.
In accordance with an embodiment of the present disclosure, when carrying out brightness regulation to display picture, RGB first can be in by all in picture
The pixel of color space is transformed into YUV color space, then using inverse gamma treated brightness regulation parameter to Y at
Reason, later again by before UV and Y ' reversal adjusted to RGB color, it is corresponding to obtain each pixel in picture
New rgb value completes the adjusting of picture brightness, so that the brightness regulation of display picture not only conforms with the vision of human eye
Rule, nor influence other display characteristics of picture.
It should be noted that although describing the brightness adjusting method based on display driving using above-described embodiment as example
As above, it is understood by one of ordinary skill in the art that the disclosure answer it is without being limited thereto.In fact, user completely can be according to personal preference
And/or practical application scene flexibly sets each operating procedure, as long as meeting the technical solution of the disclosure.
Fig. 5 shows the block diagram of the brightness regulating apparatus based on display driving according to one embodiment of the disclosure.
As shown in figure 5, described device includes:
Color gamut conversion module 51 carries out color gamut conversion for the first rgb value to each pixel in picture to be processed, obtains
To the first brightness value and chromatic value of each pixel；
Luminance parameter processing module 52, for according to the first brightness value of each pixel, preset gamma value and pre-
If the first brightness regulation parameter, determine the second brightness value of each pixel；
Colour gamut inverse transform block 53 carries out colour gamut reverse for the second brightness value and chromatic value to each pixel
It changes, determines the second rgb value of each pixel, the target picture after obtaining brightness regulation.
In one possible implementation, the luminance parameter processing module, comprising:
First handles submodule against gamma, for according to preset gamma value, to preset first brightness regulation parameter into
The inverse gamma of row is handled, and obtains the second brightness regulation parameter；
First brightness value determines submodule, for according to the first of the second brightness regulation parameter and each pixel
Brightness value determines the second brightness value of each pixel.
In one possible implementation, the luminance parameter processing module, comprising:
Gamma handles submodule, for carrying out gamma to the first brightness value of each pixel according to preset gamma value
Processing, obtains the third brightness value of each pixel；
Second brightness value determines submodule, for the third brightness value and preset first brightness tune to each pixel
It saves parameter and carries out product calculation, obtain the 4th brightness value of each pixel；
Second handles submodule against gamma, for according to preset gamma value, to the 4th brightness value of each pixel into
The inverse gamma of row is handled, and obtains the second brightness value of each pixel.
In one possible implementation, described first submodule is handled against gamma, is used for:
According to preset gamma value, preset first brightness regulation parameter is carried out at inverse gamma using linear interpolation
Reason, obtains the second brightness regulation parameter.
In one possible implementation, described device is adjusted for the picture brightness in display driver chip.
Embodiment of the disclosure also provides a kind of chip, and the chip includes as above any described based on display driving
Brightness regulating apparatus.
Embodiment of the disclosure also provides a kind of display panel, and the display panel includes display component and as described above
Chip.
In one possible implementation, the display component includes LCD assembly, diode displaying group
At least one of part, organic light-emitting diode display component, OLED display component.
Embodiment of the disclosure also provides a kind of electronic equipment, and the electronic equipment includes any display surface as above
Plate.
The presently disclosed embodiments is described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.The selection of term used herein, purport
In the principle, practical application or improvement to the technology in market for best explaining each embodiment, or make the art
Other those of ordinary skill can understand each embodiment disclosed herein.
Claims (14)
1. a kind of brightness adjusting method based on display driving, which is characterized in that the described method includes:
Color gamut conversion is carried out to the first rgb value of each pixel in picture to be processed, obtains the first brightness of each pixel
Value and chromatic value；
According to the first brightness value of each pixel, preset gamma value and preset first brightness regulation parameter, determine each
Second brightness value of a pixel；
Colour gamut inverse conversion is carried out to the second brightness value and chromatic value of each pixel, determines the 2nd RGB of each pixel
Value, the target picture after obtaining brightness regulation.
2. the method according to claim 1, wherein according to the first brightness value of each pixel, preset gal
Horse value and preset first brightness regulation parameter, determine the second brightness value of each pixel, comprising:
According to preset gamma value, inverse gamma is carried out to preset first brightness regulation parameter and is handled, the second brightness regulation is obtained
Parameter；
According to the second brightness regulation parameter and the first brightness value of each pixel, determine that the second of each pixel is bright
Angle value.
3. the method according to claim 1, wherein according to the first brightness value of each pixel, preset gal
Horse value and preset first brightness regulation parameter, determine the second brightness value of each pixel, comprising:
According to preset gamma value, gamma processing is carried out to the first brightness value of each pixel, obtains the of each pixel
Three brightness values；
Third brightness value and preset first brightness regulation parameter to each pixel carry out product calculation, obtain each picture
4th brightness value of vegetarian refreshments；
According to preset gamma value, inverse gamma is carried out to the 4th brightness value of each pixel and is handled, each pixel is obtained
Second brightness value.
4. according to the method described in claim 2, it is characterized in that, according to preset gamma value, to preset first brightness tune
It saves parameter and carries out inverse gamma processing, obtain the second brightness regulation parameter, comprising:
According to preset gamma value, inverse gamma is carried out to preset first brightness regulation parameter using linear interpolation and is handled, is obtained
To the second brightness regulation parameter.
5. method according to any of claims 1-4, which is characterized in that the method is in display driver chip
Picture brightness adjust.
6. a kind of brightness regulating apparatus based on display driving, which is characterized in that described device includes:
Color gamut conversion module carries out color gamut conversion for the first rgb value to each pixel in picture to be processed, obtains each
The first brightness value and chromatic value of pixel；
Luminance parameter processing module, for according to the first brightness value of each pixel, preset gamma value and preset
One brightness regulation parameter determines the second brightness value of each pixel；
Colour gamut inverse transform block carries out colour gamut inverse conversion for the second brightness value and chromatic value to each pixel, determines
Second rgb value of each pixel, the target picture after obtaining brightness regulation.
7. device according to claim 6, which is characterized in that the luminance parameter processing module, comprising:
First handles submodule against gamma, for carrying out to preset first brightness regulation parameter inverse according to preset gamma value
Gamma processing, obtains the second brightness regulation parameter；
First brightness value determines submodule, for the first brightness according to the second brightness regulation parameter and each pixel
Value, determines the second brightness value of each pixel.
8. device according to claim 6, which is characterized in that the luminance parameter processing module, comprising:
Gamma handles submodule, for carrying out gamma processing to the first brightness value of each pixel according to preset gamma value,
Obtain the third brightness value of each pixel；
Second brightness value determines submodule, for the third brightness value and preset first brightness regulation ginseng to each pixel
Number carries out product calculation, obtains the 4th brightness value of each pixel；
Second handles submodule against gamma, for carrying out to the 4th brightness value of each pixel inverse according to preset gamma value
Gamma processing, obtains the second brightness value of each pixel.
9. device according to claim 7, which is characterized in that described first handles submodule against gamma, is used for:
According to preset gamma value, inverse gamma is carried out to preset first brightness regulation parameter using linear interpolation and is handled, is obtained
To the second brightness regulation parameter.
10. according to device described in claim 6-9 any one, which is characterized in that described device is used for display driver chip
In picture brightness adjust.
11. a kind of chip, which is characterized in that the chip includes as described in claim 6 to 10 any one based on display
The brightness regulating apparatus of driving.
12. a kind of display panel, which is characterized in that the display panel includes:
Display component；
Chip as claimed in claim 11.
13. display panel according to claim 12, which is characterized in that the display component include LCD assembly,
At least one of indication module of luminescence diode, organic light-emitting diode display component, OLED display component.
14. a kind of electronic equipment, which is characterized in that the electronic equipment includes display surface as described in claim 12 or 13
Plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910641072.7A CN110379364B (en) | 2019-07-16 | 2019-07-16 | Brightness adjusting method and device based on display driving and chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910641072.7A CN110379364B (en) | 2019-07-16 | 2019-07-16 | Brightness adjusting method and device based on display driving and chip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110379364A true CN110379364A (en) | 2019-10-25 |
| CN110379364B CN110379364B (en) | 2021-05-28 |
Family
ID=68253460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910641072.7A Active CN110379364B (en) | 2019-07-16 | 2019-07-16 | Brightness adjusting method and device based on display driving and chip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110379364B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111613168A (en) * | 2020-04-28 | 2020-09-01 | 合肥联宝信息技术有限公司 | Image display processing method and device and computer readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101009851A (en) * | 2007-01-19 | 2007-08-01 | 北京中星微电子有限公司 | Image processing method and its device |
| CN102568376A (en) * | 2010-12-13 | 2012-07-11 | 乐金显示有限公司 | Apparatus and method for driving organic light emitting display device |
| CN104966508A (en) * | 2015-07-17 | 2015-10-07 | 上海天马有机发光显示技术有限公司 | Driving method, control chip and display device |
| CN109658872A (en) * | 2018-12-11 | 2019-04-19 | 惠科股份有限公司 | A kind of driving method and driving device of display module |
| CN109658884A (en) * | 2018-12-11 | 2019-04-19 | 惠科股份有限公司 | A kind of driving method of display panel, drive system and display device |
-
2019
- 2019-07-16 CN CN201910641072.7A patent/CN110379364B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101009851A (en) * | 2007-01-19 | 2007-08-01 | 北京中星微电子有限公司 | Image processing method and its device |
| CN102568376A (en) * | 2010-12-13 | 2012-07-11 | 乐金显示有限公司 | Apparatus and method for driving organic light emitting display device |
| CN104966508A (en) * | 2015-07-17 | 2015-10-07 | 上海天马有机发光显示技术有限公司 | Driving method, control chip and display device |
| CN109658872A (en) * | 2018-12-11 | 2019-04-19 | 惠科股份有限公司 | A kind of driving method and driving device of display module |
| CN109658884A (en) * | 2018-12-11 | 2019-04-19 | 惠科股份有限公司 | A kind of driving method of display panel, drive system and display device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111613168A (en) * | 2020-04-28 | 2020-09-01 | 合肥联宝信息技术有限公司 | Image display processing method and device and computer readable storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110379364B (en) | 2021-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20200294455A1 (en) | Signal processing method and display device | |
| CN108962126B (en) | Display panel driving method and system and display device comprising same | |
| US8743152B2 (en) | Display apparatus, method of driving display apparatus, drive-use integrated circuit, driving method employed by drive-use integrated circuit, and signal processing method | |
| US11270657B2 (en) | Driving method, driving apparatus, display device and computer readable medium | |
| US10008148B2 (en) | Image processing apparatus, image processing method, display device, computer program and computer-readable medium | |
| US20140267470A1 (en) | Color adjustment device, method for adjusting color, and display | |
| US10366673B2 (en) | Display device and image processing method thereof | |
| US9589534B2 (en) | System and method for converting RGB data to WRGB data | |
| TWI413414B (en) | A method and apparatus processing pixel signals for driving a display and a display using the same | |
| US10297186B2 (en) | Display device and image processing method thereof | |
| US10347198B2 (en) | Image displaying methods and display devices | |
| CN108074513B (en) | Detect the method and device of image high frequency components | |
| US10204568B2 (en) | Driving methods and driving devices of display panels | |
| CN109935219B (en) | Display method of spliced panel | |
| US9484000B2 (en) | Signal conversion method for display image | |
| US20130120468A1 (en) | Four-Primary Color Display Device and Method for Calculating Relative Brightness of Fourth Primary Color | |
| CN110473486B (en) | Method for controlling display device based on color perception brightness and electronic device | |
| RU2656700C1 (en) | Liquid crystal display device and method of control method thereof | |
| CN112598582A (en) | Image correction and correction data generation method, device and system and display method | |
| US8120627B2 (en) | Redistribution of N-primary color input signals into N-primary color output signals | |
| CN109377966A (en) | A kind of display methods, system and display device | |
| CN105684071B (en) | Signal generating apparatus, signal generate program, signal creating method and image display device | |
| CN109272928A (en) | Image display method and apparatus | |
| CN110379364A (en) | Brightness adjusting method, device and chip based on display driving | |
| US20160042679A1 (en) | Display control apparatus, display control method, and display apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |