CN113270064A - Driving method and driving device of display panel and electronic equipment - Google Patents

Driving method and driving device of display panel and electronic equipment Download PDF

Info

Publication number
CN113270064A
CN113270064A CN202110590589.5A CN202110590589A CN113270064A CN 113270064 A CN113270064 A CN 113270064A CN 202110590589 A CN202110590589 A CN 202110590589A CN 113270064 A CN113270064 A CN 113270064A
Authority
CN
China
Prior art keywords
power consumption
preset
display panel
image level
consumption data
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
Application number
CN202110590589.5A
Other languages
Chinese (zh)
Other versions
CN113270064B (en
Inventor
田凡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority to CN202110590589.5A priority Critical patent/CN113270064B/en
Publication of CN113270064A publication Critical patent/CN113270064A/en
Application granted granted Critical
Publication of CN113270064B publication Critical patent/CN113270064B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • G09G3/2007—Display of intermediate tones
    • G09G3/2074—Display of intermediate tones using sub-pixels
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

The invention provides a driving method of a display panel, a driving device thereof and an electronic device, wherein the method compares a rated power consumption data set with a preset power consumption data set of the display panel, generating a target brightness adjustment parameter according to a result of comparing the rated power consumption data set with a preset power consumption data set of the display panel, such that data of the preset power consumption data set that does not exceed the nominal power consumption data set of the display panel is output in the preset power consumption data set, and data of the preset power consumption data set which is larger than the rated power consumption data set of the display panel is adjusted to be output as the rated power consumption data set of the display panel, so that the target power consumption data corresponding to the target brightness adjustment parameter is less than or equal to the rated power consumption of the display panel, therefore, the brightness of the display panel is improved, and the problem that the maximum power consumption of the display panel is increased along with the brightness is avoided.

Description

Driving method and driving device of display panel and electronic equipment
Technical Field
The present invention relates to the field of display, and in particular, to a driving method of a display panel, a driving device thereof, and an electronic device.
Background
Currently, a conventional method for increasing the brightness of a display panel is to increase a GMA voltage (gamma voltage) or calculate a gray scale information of practical input data to obtain an average image level of a display image of the display panel, and then adjust the brightness, but this method may cause that the maximum power consumption of the display panel is increased after the brightness is increased.
Therefore, the conventional method for improving the brightness of the display panel has the technical problem that the maximum power consumption of the display panel is increased while the brightness is improved.
Disclosure of Invention
The embodiment of the invention provides a driving method of a display panel, a driving device of the display panel and electronic equipment, which are used for solving the problem that the maximum power consumption of the display panel is increased when the brightness of the existing display panel is improved.
In a first aspect, an embodiment of the present invention provides a method for driving a display panel, including:
acquiring a preset brightness adjustment parameter, and acquiring a corresponding preset power consumption data set according to the preset brightness adjustment parameter;
comparing the rated power consumption data set with the preset power consumption data set of the display panel, and generating a target brightness adjustment parameter according to the comparison result of the rated power consumption data set with the preset power consumption data set of the display panel, wherein the target power consumption data corresponding to the target brightness adjustment parameter is less than or equal to the rated power consumption of the display panel;
acquiring display data of a frame of display picture of the display panel, and obtaining an average image level set of the display picture according to the display data;
and adjusting the display brightness of the display picture according to the average image level set and the target brightness adjustment parameter.
In some embodiments, the preset brightness adjustment parameter includes at least two preset peak brightnesses and preset image levels corresponding to the preset peak brightnesses one to one; the step of obtaining a corresponding preset power consumption data set according to the preset brightness adjustment parameter includes:
acquiring preset image level segments according to each preset image level in the preset brightness adjustment parameters;
obtaining a peak brightness data set corresponding to the preset image level segment according to each peak brightness in the preset brightness adjustment parameter, wherein the peak brightness data set comprises peak brightness corresponding to each image level in the preset image level segment one to one;
and obtaining a preset power consumption data set corresponding to the preset image level section according to the peak brightness data set, wherein the preset power consumption data set comprises preset power consumption which corresponds to each image level in the preset image level section one to one.
In some embodiments, the comparing the rated power consumption data set of the display panel with the preset power consumption data set, and generating a target brightness adjustment parameter according to a result of the comparing the rated power consumption data set of the display panel with the preset power consumption data set, where target power consumption data corresponding to the target brightness adjustment parameter is less than or equal to rated power consumption of the display panel, includes:
acquiring the rated power consumption data set of the display panel, wherein the rated power consumption data set comprises rated power consumption which corresponds to each image level in the preset image level section one by one;
comparing the preset power consumption data set with the rated power consumption data set of the display panel, and judging the sizes of the preset power consumption data set and the rated power consumption data set of the display panel;
and determining the target brightness adjusting parameter according to the preset power consumption data set and the rated power consumption data set of the display panel.
In some embodiments, the comparing the preset power consumption data set with the rated power consumption data set of the display panel and determining the size of the preset power consumption data set and the rated power consumption data set of the display panel includes:
sequentially judging the preset power consumption and the rated power consumption corresponding to each image level in the preset image level section;
dividing each image level into a first image level set and a second image level set according to the preset power consumption and the rated power consumption, wherein the preset power consumption corresponding to any image level in the first image level set is larger than the rated power consumption; within the second set of image levels, the preset power consumption for any one of the image levels is less than or equal to the nominal power consumption.
In some embodiments, the step of determining the target brightness adjustment parameter according to the sizes of the preset power consumption data set and the rated power consumption data set of the display panel includes:
taking the rated power consumption corresponding to each image level in the first image level set as first target power consumption data, and acquiring a first target brightness adjustment parameter corresponding to the first image level set according to the first target power consumption data;
setting the preset power consumption corresponding to each image level in the second image level set as second target power consumption data, and setting a preset brightness adjustment parameter corresponding to the second target power consumption data as a second target brightness adjustment parameter, where the second target brightness adjustment parameter corresponds to the second image level set;
and determining the target brightness adjusting parameter according to the first target brightness adjusting parameter and the second target brightness adjusting parameter.
In some embodiments, the obtaining display data of a frame of display frame of the display panel and obtaining an average image level set of the display frame according to the display data includes:
acquiring the display data of each sub-pixel of a frame of display picture of the display panel and the data type of the display data;
determining a calculation mode of the average image level according to the data type of the display data;
determining the average image level of each sub-pixel according to the calculation mode of the average image level and the display data of each sub-pixel;
and obtaining the average image level set of the display picture according to the average image level of each sub-pixel.
In some embodiments, the adjusting the display brightness of the display according to the average image level set and the target brightness adjustment parameter comprises:
acquiring a driving data adjusting set according to the average image level set and the target brightness adjusting parameter;
and adjusting the brightness of the display panel according to the driving data adjustment set.
In some embodiments, the set of average image levels comprises: the average image level of each sub-pixel; the step of obtaining the driving data adjustment set according to the average image level set and the target brightness adjustment parameter includes:
acquiring each driving data adjustment value according to the average image level and the target brightness adjustment parameter of each sub-pixel;
and acquiring the drive data adjustment set according to the drive data adjustment value of each sub-pixel.
In a second aspect, the present invention also provides a driving apparatus for a display panel, including:
the first acquisition module is used for acquiring preset brightness adjustment parameters and obtaining corresponding preset power consumption data sets according to the preset brightness adjustment parameters;
the generating module is used for comparing the rated power consumption data set with the preset power consumption data set of the display panel, and generating a target brightness adjusting parameter according to the comparison result of the rated power consumption data set with the preset power consumption data set of the display panel, wherein the target power consumption data corresponding to the target brightness adjusting parameter is less than or equal to the rated power consumption of the display panel;
the second acquisition module is used for acquiring display data of a frame of display picture of the display panel and obtaining an average image level set of the display picture according to the display data;
and the display module is used for adjusting the display brightness of the display picture according to the average image level set and the target brightness adjustment parameter.
In a third aspect, the present invention also provides an electronic device, including:
one or more processors;
a memory; and
one or more application programs, wherein the one or more application programs are stored in the memory and configured to be executed by the processor to implement the driving method of the display panel of any one of the above.
The embodiment of the invention provides a driving method of a display panel, a driving device thereof and electronic equipment, wherein the method comprises the following steps: acquiring a preset brightness adjustment parameter, and acquiring a corresponding preset power consumption data set according to the preset brightness adjustment parameter; comparing the rated power consumption data set with the preset power consumption data set of the display panel, and generating a target brightness adjustment parameter according to the comparison result of the rated power consumption data set with the preset power consumption data set of the display panel, wherein the target power consumption data corresponding to the target brightness adjustment parameter is less than or equal to the rated power consumption of the display panel; acquiring display data of a frame of display picture of the display panel, and obtaining an average image level set of the display picture according to the display data; adjusting the display brightness of the display picture according to the average image level set and the target brightness adjustment parameter; comparing the rated power consumption data set with the preset power consumption data set of the display panel, and generating a target brightness adjustment parameter according to the comparison result of the rated power consumption data set with the preset power consumption data set of the display panel, so that data of which the preset power consumption data set does not exceed the rated power consumption data set of the display panel are output as the preset power consumption data set, and data of which the preset power consumption data set is larger than the rated power consumption data set of the display panel are adjusted to be output as the rated power consumption data set of the display panel, so that the target power consumption data corresponding to the target brightness adjustment parameter are smaller than or equal to the rated power consumption of the display panel, and further the problem that the maximum power consumption of the display panel rises along with the improvement of the brightness of the display panel is avoided.
Drawings
The technical solution and other advantages of the present invention will become apparent from the following detailed description of specific embodiments of the present invention, which is to be read in connection with the accompanying drawings.
Fig. 1 is a first flowchart of a driving method of a display panel according to an embodiment of the invention.
Fig. 2 is a second flowchart of a driving method of a display panel according to an embodiment of the invention.
Fig. 3 is a third flowchart of a driving method of a display panel according to an embodiment of the invention.
Fig. 4 is a fourth flowchart illustrating a driving method of a display panel according to an embodiment of the invention.
Fig. 5 is a fifth flowchart illustrating a driving method of a display panel according to an embodiment of the invention.
Fig. 6 is a sixth flowchart illustrating a driving method of a display panel according to an embodiment of the present invention.
Fig. 7 is a seventh flowchart illustrating a driving method of a display panel according to an embodiment of the present invention.
Fig. 8 is an eighth flowchart illustrating a driving method of a display panel according to an embodiment of the present invention.
Fig. 9(a) is a schematic diagram of a first adjustment manner of a driving method of a display panel according to an embodiment of the invention.
Fig. 9(b) is a schematic diagram of a second adjustment manner of the driving method of the display panel according to the embodiment of the invention.
Fig. 10 is a ninth flowchart illustrating a driving method of a display panel according to an embodiment of the invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
At present, the conventional method for improving the brightness of the display panel calculates the average image level of the display image of the display panel to obtain for improving the GMA voltage or the gray scale information of the practical input data, and then adjusts the brightness, but this method may cause the maximum power consumption of the display panel to be improved after the brightness is improved. Embodiments of the present invention provide a driving method of a display panel, a driving apparatus thereof, and an electronic device, so as to solve the above problems.
Referring to fig. 1, fig. 1 is a first flowchart illustrating a driving method of a display panel according to an embodiment of the invention. In a first aspect, an embodiment of the present invention provides a driving method of a display panel, which is applied to the display panel, the display panel includes but is not limited to a television, a computer, a mobile phone, or an Ipad, and is adapted to all displays for adjusting, the method includes the following steps:
s100, acquiring preset brightness adjustment parameters, and acquiring corresponding preset power consumption data sets according to the preset brightness adjustment parameters;
the brightness adjusting parameter represents a coefficient for adjusting the brightness of the display panel, and can control the brightness change condition of the display panel; the preset brightness adjustment parameter is set by the display panel according to the use requirement of a user, the brightness adjustment parameter is the range of the preset brightness adjustment parameter, and the preset brightness adjustment parameter is the range of the target brightness adjustment parameter, so that the target brightness adjustment parameter represents an optimal coefficient for adjusting the brightness of the display panel. The corresponding preset power consumption data set is calculated by the preset brightness adjustment parameter according to a relevant formula. The obtaining manner includes, but is not limited to, a calculation method, for example, a curve relationship between the average image level and the peak brightness is drawn first, and then a slope in the average image level segment is calculated, where the slope is the preset brightness adjustment parameter.
Further, the preset brightness adjustment parameter at least includes two peak brightness corresponding to different average image levels, i.e. the preset brightness adjustment parameter includes, but is not limited to, two peak brightness corresponding to different average image levels.
It can be understood that the brightness adjustment coefficients of the display panel are obtained first, each brightness adjustment coefficient corresponds to power consumption of one display panel, and the rated power consumption of the display panel in each specific environment or mode is selected from all the power consumption, at this time, the brightness adjustment coefficient corresponding to the rated power consumption is the target brightness adjustment parameter of the display panel. In other words, when setting the target brightness adjustment coefficient, the optimal brightness adjustment parameter needs to be selected from all the brightness adjustment parameters as the target brightness adjustment parameter by setting the brightness adjustment parameter for multiple times; if the brightness adjustment parameter is a preliminary adjustment parameter of the display frame of the display panel, the target brightness adjustment parameter is a further adjustment parameter of the display frame of the display panel.
It should be noted that the brightness adjustment parameter is obtained according to power consumption setting required by a user in different environments or different modes; and the target brightness adjustment parameter is obtained by selecting a rated power consumption from all the power consumptions, and the brightness adjustment parameter corresponding to the rated power consumption is the target brightness adjustment parameter, namely the target brightness adjustment parameter is obtained basically according to the rated power consumption of the display panel.
Further, the preset brightness adjustment parameter includes at least two preset peak brightness values and preset image levels corresponding to the preset peak brightness values one to one; it is to be understood that, in the graph formed by the preset peak luminance and the preset picture level, the preset peak luminance represents a vertical coordinate, the preset picture level represents a horizontal coordinate, and a slope between any two points is the preset luminance adjustment parameter.
Fig. 2 is a second flowchart of the driving method of the display panel according to the embodiment of the invention. The step of obtaining a corresponding preset power consumption data set according to the preset brightness adjustment parameter includes:
s110, acquiring preset image level segments according to the preset image levels in the preset brightness adjustment parameters;
it can be understood that, since the preset brightness adjustment parameter includes at least two preset peak brightness and preset image levels corresponding to the preset peak brightness one to one, the display panel includes at least one preset brightness adjustment parameter, and when the display panel includes a plurality of preset brightness adjustment parameters, a preset image level segment is obtained according to each preset image level in the preset brightness adjustment parameter, that is, a preset image level segment is formed between any two points.
S120, obtaining a peak brightness data set corresponding to the preset image level segment according to each peak brightness in the preset brightness adjustment parameter, wherein the peak brightness data set comprises peak brightness corresponding to each image level in the preset image level segment one by one;
it will be appreciated that each of said preset picture level segments comprises a plurality of picture levels, each of said picture levels corresponding to one of said peak luminances, all of said peak luminances constituting said peak luminance data set.
And S130, obtaining a preset power consumption data set corresponding to the preset image level section according to the peak brightness data set, wherein the preset power consumption data set comprises preset power consumption which corresponds to each image level in the preset image level section one by one.
It will be appreciated that since each of said peak luminances corresponds to a said preset picture level and each of said preset picture levels corresponds to a said preset power consumption data set, said preset power consumption data set comprises preset power consumptions corresponding one-to-one to the picture levels within a segment of said preset picture levels.
S200, comparing the rated power consumption data set with the preset power consumption data set of the display panel, and generating a target brightness adjusting parameter according to the comparison result of the rated power consumption data set and the preset power consumption data set of the display panel, wherein the target power consumption data corresponding to the target brightness adjusting parameter is less than or equal to the rated power consumption of the display panel;
when the power consumption of the display panel used for displaying exceeds the rated power consumption of the display panel corresponding to the curve of the section of curve, the display panel cannot normally display.
It can be understood that the rated power consumption data set of the display panel is the maximum brightness power consumption that can be borne by the display panel when the display panel is normally displayed, the corresponding preset power consumption data set is obtained according to the preset brightness adjustment parameter obtained in the foregoing, and the display panel can normally display only when the preset power consumption data set is less than or equal to the rated power consumption of the display panel; and comparing the current preset power consumption data set with the rated power consumption of the display panel, and determining the target brightness adjustment parameter which needs to be generated by the display panel finally according to the current preset power consumption data set and the rated power consumption of the display panel. That is, the target brightness adjustment parameter may or may not be the preset brightness adjustment parameter; if the preset power consumption data set corresponding to the current preset brightness adjustment parameter is within the rated power consumption range of the display panel, the current preset power consumption data set is the maximum power consumption, and the preset brightness adjustment parameter at the moment is the target brightness adjustment parameter.
Further, referring to fig. 3, a third flowchart of the driving method of the display panel according to the embodiment of the invention is shown. The step of comparing the rated power consumption of the display panel with the preset power consumption data set, and generating a target brightness adjustment parameter according to the comparison result of the rated power consumption of the display panel and the preset power consumption data set, wherein the target power consumption data corresponding to the target brightness adjustment parameter is less than or equal to the rated power consumption of the display panel, and the step comprises the following steps:
s210, acquiring a rated power consumption data set of the display panel, wherein the rated power consumption data set comprises rated power consumption which corresponds to each image level in the preset image level section one by one;
it can be understood that, since the rated power consumption of the display panel under different display conditions can be obtained through the average image level and the peak luminance curve, a user can determine whether the rated power consumption exceeds the rated power consumption data set of the display panel, and therefore, before determining the relationship between the rated power consumption and the rated power consumption data set, the user needs to obtain the rated power consumption data set; and because the average image level and the peak brightness curve comprise a plurality of preset image level segments, one image level in each preset image level segment corresponds to one rated power consumption, and a plurality of rated power consumptions in a plurality of preset image level segments form the rated power consumption data set of the display panel.
S220, comparing the preset power consumption data set with a rated power consumption data set of the display panel, and judging the size of the preset power consumption data set and the rated power consumption data set of the display panel;
it can be understood that, after the preset power consumption data set is obtained, it is required to judge whether the preset power consumption data set exceeds the range of the rated power consumption data set of the display panel, at this time, the present invention adopts a direct judgment method, that is, the present preset power consumption data set is directly compared with the rated power consumption data set of the display panel, so as to judge the sizes of the present preset power consumption data set and the rated power consumption data set of the display panel, and finally, the subsequent operation steps are performed according to the judgment result.
S230, determining the target brightness adjusting parameter according to the preset power consumption data set and the rated power consumption data set of the display panel.
It can be understood that, the target brightness adjustment parameter may be determined according to whether the current preset power consumption data set falls within the range of the rated power consumption data set of the display panel, that is, when the target power consumption data is the brightness power consumption corresponding to the preset brightness adjustment parameter, the target brightness adjustment parameter is the preset brightness adjustment parameter; and when the target power consumption data is the rated power consumption data set of the display panel, the target brightness adjustment parameter is a brightness adjustment parameter corresponding to the rated power consumption data set of the display panel.
Further, referring to fig. 4, a fourth flowchart of the driving method of the display panel according to the embodiment of the present invention is shown. The step of comparing the preset power consumption data set with the rated power consumption data set of the display panel and judging the size of the preset power consumption data set and the rated power consumption data set of the display panel comprises the following steps:
s221, sequentially judging the preset power consumption and the rated power consumption corresponding to each image level in the preset image level section;
it can be understood that each of the preset image level segments includes a plurality of preset image levels, each of the preset image levels corresponds to one of the preset power consumptions, and the preset power consumption corresponding to each of the preset image levels and the rated power consumption are sequentially determined.
Specifically, referring to fig. 5, a fifth flowchart of the driving method of the display panel according to the embodiment of the present invention is shown. The step of sequentially judging the preset power consumption and the rated power consumption corresponding to each image level in the preset image level section comprises the following steps:
s2211, acquiring a current maximum current value;
it can be understood that the calculation of the power consumption is closely related to the current, the voltage, and the like of the display panel, and the power consumption of the display panel can be calculated through the current, the voltage, and the like of the display panel.
S2212, calculating to obtain the current preset power consumption data set according to the current maximum current value;
it is understood that the formula P, UI, I is a conversion between current and power2R is the current maximum current value of the known display panel and the displayIn case of the resistance of the panel, the preset power consumption data set of the display panel can be calculated.
And S2213, comparing the range of the current preset power consumption data set with the range of the rated power consumption data set of the display panel.
It will be appreciated that, after the above calculations, the values of the preset power consumption data set can be directly compared with the values of the nominal power consumption data set of the display panel.
S222, dividing each image level into a first image level set and a second image level set according to the preset power consumption and the rated power consumption, wherein in the first image level set, the preset power consumption corresponding to any image level is larger than the rated power consumption; within the second set of image levels, the preset power consumption for any one of the image levels is less than or equal to the nominal power consumption.
It can be understood that, according to the foregoing judgment result, the result of the preset power consumption and the rated power consumption is divided into the first image level set and the second image level set, where in the first image level set, the preset power consumption corresponding to any one of the image levels is greater than the rated power consumption; in the second image level set, the preset power consumption corresponding to any one image level is less than or equal to the rated power consumption.
Further, referring to fig. 6, a sixth flowchart of the driving method of the display panel according to the embodiment of the present invention is shown. The step of determining the target brightness adjustment parameter according to the preset power consumption data set and the nominal power consumption data set of the display panel includes:
s231, taking the rated power consumption corresponding to each image level in the first image level set as first target power consumption data, and acquiring a first target brightness adjusting parameter corresponding to the first image level set according to the first target power consumption data;
it can be understood that the rated power consumption corresponding to each image level in the first image level set is used as first target power consumption data, each first target power consumption data includes a brightness adjustment parameter corresponding to the target power consumption data, that is, a first target brightness adjustment parameter, and the brightness adjustment parameter corresponding to the first target power consumption data is the brightness adjustment parameter obtained by the first target power consumption data according to the calculation, in other words, a first target brightness adjustment parameter corresponding to the first image level set is obtained according to the first target power consumption data.
S232, using the preset power consumption corresponding to each image level in the second image level set as second target power consumption data, and using a preset brightness adjustment parameter corresponding to the second target power consumption data as a second target brightness adjustment parameter, where the second target brightness adjustment parameter corresponds to the second image level set;
it can be understood that the preset power consumption corresponding to each image level in the second image level set is used as the second target power consumption data, each second target power consumption data includes a brightness adjustment parameter corresponding to the target power consumption data, that is, the second target brightness adjustment parameter, and the preset brightness adjustment parameter corresponding to the second target brightness adjustment parameter is the brightness adjustment parameter obtained by the second target power consumption data according to the calculation, in other words, the second target brightness adjustment parameter corresponding to the second image level set is obtained according to the second target power consumption data.
S233, determining the target brightness adjustment parameter according to the first target brightness adjustment parameter and the second target brightness adjustment parameter.
It can be understood that, according to the above method, it is determined that the rated power consumption corresponding to the image level belongs to the first target power consumption data or the second target power consumption data, and then the target brightness adjustment parameter corresponding to the rated power consumption is specifically determined according to the relationship between the first target power consumption data or the second target power consumption data and the brightness adjustment parameter.
S300, acquiring display data of a frame of display picture of the display panel, and obtaining an average image level set of the display picture according to the display data;
wherein, a frame represents the content of a display picture of the display panel at a time point; the display data includes but is not limited to gray scale data, brightness data, etc., and the display data mainly refers to the gray scale data in the present invention; the obtaining mode in the gray scale data of each sub-pixel of the display picture is obtained by detection through various external tools; the set of average picture levels comprises a plurality of average picture level segments, each of the average picture levels segments comprising one of the average picture levels.
Further, referring to fig. 7, a seventh flowchart of the driving method of the display panel according to the embodiment of the invention is shown. The step of obtaining the display data of one frame of display picture of the display panel and obtaining the average image level set of the display picture according to the display data comprises the following steps:
s310, acquiring the display data of each sub-pixel of a frame of display picture of the display panel and the data type of the display data;
it is to be understood that, by detecting the gray scale data of each sub-pixel in the display screen of the display panel by using various external tools, each gray scale data corresponds to a luminance data, and the gray scale data and the luminance data can be converted to each other, where each gray scale data is extracted first to prepare for extracting the luminance data subsequently. Specifically, each of the sub-pixels includes a first sub-pixel, a second sub-pixel, a third sub-pixel and a fourth sub-pixel, the first sub-pixel includes but is not limited to a red sub-pixel, the second sub-pixel includes but is not limited to a green sub-pixel, the third sub-pixel includes but is not limited to a blue sub-pixel, and the fourth sub-pixel includes but is not limited to a white sub-pixel; in other words, the gray scale data R (m, n) corresponding to the first sub-pixel, the gray scale data G (m, n) corresponding to the second sub-pixel, the gray scale data B (m, n) corresponding to the third sub-pixel, and the gray scale data W (m, n) corresponding to the fourth sub-pixel of each sub-pixel in the display frame of the display panel are respectively obtained.
Further, the display data and the data type of the display data of each sub-pixel of one frame of display picture of the display panel are obtained; for example, the display data includes, but is not limited to, gray scale data and brightness data of the display screen, and a data type corresponding to such data, for example, when the display panel is displayed with a color depth of 8 bits, the data type of 8 bits is 00000000, and when the display panel is displayed with a color depth of 10 bits, the data type of 10 bits is 0000000000. It should be noted that when the display panel is displayed with 8-bit or 10-bit color depth, it is equal to R, G of 8 bits per channel, the color of the sub-pixel channels of the nominal power consumption data set is added, and 8 bits means that each primary color has 28256 gray levels, i.e. 0-255 for gray levels from black to white, 10bit for a monochrome color channel having 210The tone scale range is 0-1023 for 1024 gray levels. 8 bits provide 256 sampling points and 10 bits 1024 sampling points, the color accuracy of the 10bit display mode is 4 times that of the 8bit display mode. Therefore, the display panel displays pictures with different data types and has different display effects.
S320, determining a calculation mode of the average image level according to the data type of the display data;
it is understood that the calculation manner of the average picture level is determined according to the data type of the display data; for example, according to the grayscale data and the luminance normalization conversion formula corresponding to each sub-pixel, the luminance data of each sub-pixel can be obtained, that is, the luminance data of the first sub-pixel is:
LUM_R(i，j)＝(R(m，n)/255)gmaformula (1),
in formula (1), m represents a subpixel of an m-th row; n represents a subpixel of the nth column; r (m, n) represents the red sub-pixel of the mth row and the nth column; gma represents the output in gma voltage, where gma may be 2.2.
The luminance data of the second sub-pixel is:
LUM_G(i，j)＝(G(m，n)/255)gmaequation (2),
also, in formula (2), m represents a subpixel of an m-th row; n represents a subpixel of the nth column; g (m, n) represents the green sub-pixel of the mth row and the nth column; gma represents the output in gma voltage, where gma may be 2.2.
The luminance data of the third sub-pixel is:
LUM_B(i，j)＝(B(m，n)/255)gmaequation (3),
also, in formula (3), m represents a subpixel of an m-th row; n represents a subpixel of the nth column; b (m, n) represents the blue sub-pixel of the mth row and the nth column; gma represents the output in gma voltage, where gma may be 2.2.
The luminance data of the fourth sub-pixel is:
LUM_W(i，j)＝(W(m，n)/255)gmaequation (4),
also, in formula (4), m represents a subpixel of an m-th row; n represents a subpixel of the nth column; w (m, n) represents the blue sub-pixel of the mth row and the nth column; gma represents the output in gma voltage, where gma may be 2.2.
When the input gray scale data is 8bit data, the denominator in the formula is 255; when the input gray scale data is 10bit data, the denominator in the formula is 1023; in summary, it can be known that bit data generally indicates color depth, 8 bits indicate 2 to the power of 8, there are 256 color levels in total, 256 steps can be provided in color transition, 10 bits indicate 2 to the power of 10, 1024 color levels can be provided in color transition, and therefore, bit data of the display panel only affects the smoothness of the display panel in color transition and is not much related to the display color gamut of the display panel itself. When each of the sub-pixels to which the gray scale data is inputted includes: when the first sub-pixel, the second sub-pixel and the third sub-pixel are used, the luminance data of the first sub-pixel, the luminance data of the second sub-pixel and the luminance data of the third sub-pixel can be obtained through the luminance normalization conversion; when each of the sub-pixels to which the gray scale data is inputted includes: when the first sub-pixel, the second sub-pixel, the third sub-pixel and the fourth sub-pixel are used, the luminance data of the first sub-pixel, the luminance data of the second sub-pixel, the luminance data of the third sub-pixel and the luminance data of the fourth sub-pixel can be obtained through the luminance normalization conversion.
S330, determining the average image level of each sub-pixel according to the calculation mode of the average image level and the display data of each sub-pixel;
it is understood that the average image level is calculated in a manner including a conversion formula between average luminance data and an average color level, and a conversion formula between the average color level and the average image level; the average luminance data of the sub-pixels can be determined by obtaining the luminance data of each sub-pixel and then averaging. In other words, each of the sub-pixels includes the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel, the average luminance data of the first sub-pixel is an average value of the luminance data of all the first sub-pixels, the average luminance data of the second sub-pixel is an average value of the luminance data of all the second sub-pixels, the average luminance data of the third sub-pixel is an average value of the luminance data of all the third sub-pixels, and the average luminance data of the fourth sub-pixel is an average value of the luminance data of all the fourth sub-pixels. Then, according to a conversion formula between the average luminance data and the average color level, when each of the sub-pixels includes the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel, the average color level of the first sub-pixel is calculated according to the average luminance data of the first sub-pixel, the average luminance data of the second sub-pixel, the average luminance data of the third sub-pixel, and the average luminance data of the fourth sub-pixel, respectively:
Figure BDA0003089365520000151
the average color level of the second subpixel:
Figure BDA0003089365520000152
the average color level of the third subpixel:
Figure BDA0003089365520000153
the average color level of the fourth subpixel:
Figure BDA0003089365520000154
the values of m, n, i, j in the above formula (5), formula (6), formula (7) and formula (8) are the same as those expressed in the above formula (1), formula (2), formula (3) and formula (4). When each of the sub-pixels includes the first sub-pixel, the second sub-pixel and the third sub-pixel, the average color level of the first sub-pixel is calculated according to the average luminance data of the first sub-pixel, the average luminance data of the second sub-pixel, the average luminance data of the third sub-pixel and the average luminance data of the fourth sub-pixel, and is formula (5), the average color level of the second sub-pixel is formula (6) and the average color level of the third sub-pixel is formula (7).
Finally, calculating the average image level of the display picture of the display panel according to a conversion formula between the average color level and the average image level; when each of the sub-pixels includes: the average image level of the display frame when the first sub-pixel, the second sub-pixel and the third sub-pixel are: APL _ RG the nominal power consumption data set α × ARL + β AGL + γ ABL; wherein α, β, γ are determined by characteristics of the display panel, and α, β, γ satisfy α + β + γ ═ 1; when each of the sub-pixels includes: when the first sub-pixel, the second sub-pixel, the third sub-pixel, and the fourth sub-pixel are used, the average image level of the display screen is: APL _ RG the nominal power consumption dataset W ═ α × ARL + β AGL + γ × ABL + δ × AWL; wherein α, β, γ, δ are determined by characteristics of the display panel, and α, β, γ, δ satisfy α + β + γ + δ of 1; the characteristics of the display panel include factors such as the material, size, etc. of the display panel.
Wherein the average image level represents an average value of an average component of the amplitude of the image signal during the line active period in a whole frame period excluding the line and field blanking periods, and is expressed as a percentage of a nominal value of the amplitude of the luminance signal.
S340, obtaining the average image level set of the display screen according to the average image level of each sub-pixel.
It can be understood that, if the average image level of each sub-pixel is known, the average image level of each sub-pixel is averaged to obtain the average image level set of the display screen.
S400, adjusting the display brightness of the display picture according to the average image level and the target brightness adjusting parameter.
It is understood that the display brightness of the display screen is adjusted by combining the two indexes of the average image level and the target brightness adjustment parameter at the same time.
Further, referring to fig. 8, an eighth flowchart of the driving method of the display panel according to the embodiment of the present invention is shown. The step of adjusting the display brightness of the display frame according to the average image level set and the target brightness adjustment parameter includes:
s410, acquiring a driving data adjusting set according to the average image level set and the target brightness adjusting parameter;
it is understood that there are two ways to generate the target power consumption data according to the obtained average image level set, one of which is to obtain the input data adjustment value according to the average image level set; obtaining the GMA voltage adjustment value according to the average image level set, wherein the GMA voltage is based on a driving voltage representing color data and representing a color gray scale corresponding to the color data; in other words, the driving data adjustment set includes: inputting a data adjustment value and a GMA voltage adjustment value, and acquiring the driving data adjustment set according to the average image level set and the target brightness adjustment parameter, namely acquiring the input data adjustment value and the GMA voltage adjustment value according to the average image level set and the target brightness adjustment parameter; the input data adjustment value is to adjust the display brightness of the display panel and the corresponding power consumption thereof by inputting a data adjustment value, and the GMA voltage adjustment value is to adjust the display brightness of the display panel and the corresponding power consumption thereof by inputting a GMA voltage adjustment value, where the power consumption includes, but is not limited to, the power consumption calculated according to the display brightness, the voltage or the current of the display panel, and the like. Further, when the target power consumption data is generated in a manner of acquiring the input data adjustment value according to the average image level, generating the target power consumption data according to the input data adjustment value, wherein the target power consumption data is less than or equal to the rated power consumption of the display panel; and when the target power consumption data is generated in a manner of acquiring the GMA voltage adjustment value according to the average image level, generating the target power consumption data according to the GMA voltage adjustment value, wherein the target power consumption data is also smaller than or equal to the rated power consumption of the display panel.
Further, if the target power consumption data is generated according to the input data adjustment value, the input data of each sub-pixel is adjusted according to the input data adjustment value to obtain final display data of each sub-pixel, and then the final display data of the sub-pixel is input to a data driving circuit of the display panel to realize the image display of the display panel, which is detailed in fig. 9 (a);
if the target power consumption data is generated according to the GMA voltage adjustment value, a corresponding GMA reference voltage is generated according to the GMA voltage adjustment value and a GMA reference voltage output circuit, and the GMA reference voltage is input to the data driving circuit of the display panel to realize the screen display of the display panel, which is detailed in fig. 9 (b).
And S420, adjusting the brightness of the display panel according to the driving data adjusting set.
It can be understood that the brightness of the display panel is adjusted according to the input data adjustment value or the GMA voltage adjustment value, so as to ensure that the power consumption of the display panel is always less than or equal to the rated power consumption data set of the display panel under the display brightness, thereby improving the problem that the maximum power consumption of the display panel rises along with the increase of the display brightness.
Further, before the step of obtaining a preset brightness adjustment parameter and obtaining a corresponding preset power consumption data set according to the preset brightness adjustment parameter, the method further includes:
firstly, acquiring a brightness adjustment parameter;
it is understood that the brightness adjustment parameter is also set according to the user's requirement for the display panel.
Then, a target brightness adjustment parameter is determined according to the brightness adjustment parameter.
It is understood that an optimum one of the brightness adjustment parameters is selected as the target brightness adjustment parameter from all the brightness adjustment parameters.
Further, referring to fig. 10, a ninth flowchart of the driving method of the display panel according to the embodiment of the invention is shown. The set of average image levels comprises: the average image level of each sub-pixel; the step of obtaining the driving data adjustment set according to the average image level set and the target brightness adjustment parameter includes:
s411, obtaining each driving data adjusting value according to the average image level of each sub-pixel and the target brightness adjusting parameter;
it is to be understood that the average image level set includes the average image levels of a plurality of the sub-pixels of the display panel, and the driving data adjustment set is obtained by obtaining each of the driving data adjustment values according to the average image level of each of the sub-pixels and the target brightness adjustment parameter.
And S412, acquiring a driving data adjustment set according to the driving data adjustment value of each sub-pixel.
It will be appreciated that the drive data adjustment set comprises a plurality of said drive data adjustment values for said sub-pixels, and that said drive data adjustment set is determined by said drive data adjustment value for each of said sub-pixels.
In a second aspect, an embodiment of the present invention further provides a driving apparatus of a display panel, including:
the first acquisition module is used for acquiring preset brightness adjustment parameters and obtaining corresponding preset power consumption data sets according to the preset brightness adjustment parameters;
the generating module is used for comparing the rated power consumption data set with the preset power consumption data set of the display panel, and generating a target brightness adjusting parameter according to the comparison result of the rated power consumption data set with the preset power consumption data set of the display panel, wherein the target power consumption data corresponding to the target brightness adjusting parameter is less than or equal to the rated power consumption of the display panel;
the second acquisition module is used for acquiring display data of a frame of display picture of the display panel and obtaining an average image level set of the display picture according to the display data;
and the display module is used for adjusting the display brightness of the display picture according to the average image level set and the target brightness adjustment parameter.
In a third aspect, an embodiment of the present invention further provides an electronic device, including: one or more processors; a memory; and one or more application programs, wherein the one or more application programs are stored in the memory and configured to be executed by the processor to implement the driving method of the display panel of any one of the above:
acquiring a preset brightness adjustment parameter, and acquiring a corresponding preset power consumption data set according to the preset brightness adjustment parameter;
comparing the rated power consumption data set with the preset power consumption data set of the display panel, and generating a target brightness adjustment parameter according to the comparison result of the rated power consumption data set with the preset power consumption data set of the display panel, wherein the target power consumption data corresponding to the target brightness adjustment parameter is less than or equal to the rated power consumption of the display panel;
acquiring display data of a frame of display picture of the display panel, and obtaining an average image level set of the display picture according to the display data;
and adjusting the display brightness of the display picture according to the average image level set and the target brightness adjustment parameter.
The electronic device includes, but is not limited to, a display panel or a display device.
The driving method, the driving apparatus, and the electronic device for the display panel according to the embodiments of the present invention are described in detail above, and a specific example is applied to illustrate the principle and the implementation of the present invention, and the description of the above embodiment is only used to help understanding the technical solution and the core idea of the present invention; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A method of driving a display panel, comprising the steps of:
acquiring a preset brightness adjustment parameter, and acquiring a corresponding preset power consumption data set according to the preset brightness adjustment parameter;
comparing the rated power consumption data set with the preset power consumption data set of the display panel, and generating a target brightness adjustment parameter according to the comparison result of the rated power consumption data set with the preset power consumption data set of the display panel, wherein the target power consumption data corresponding to the target brightness adjustment parameter is less than or equal to the rated power consumption of the display panel;
acquiring display data of a frame of display picture of the display panel, and obtaining an average image level set of the display picture according to the display data;
and adjusting the display brightness of the display picture according to the average image level set and the target brightness adjustment parameter.
2. The driving method of a display panel according to claim 1, wherein the preset luminance adjustment parameter includes at least two preset peak luminances and preset image levels in one-to-one correspondence with the respective preset peak luminances; the step of obtaining a corresponding preset power consumption data set according to the preset brightness adjustment parameter includes:
acquiring preset image level segments according to each preset image level in the preset brightness adjustment parameters;
obtaining a peak brightness data set corresponding to the preset image level segment according to each peak brightness in the preset brightness adjustment parameter, wherein the peak brightness data set comprises peak brightness corresponding to each image level in the preset image level segment one to one;
and obtaining a preset power consumption data set corresponding to the preset image level section according to the peak brightness data set, wherein the preset power consumption data set comprises preset power consumption which corresponds to each image level in the preset image level section one to one.
3. The method according to claim 2, wherein the step of comparing the rated power consumption data set with the preset power consumption data set of the display panel and generating a target brightness adjustment parameter according to the result of comparing the rated power consumption data set with the preset power consumption data set of the display panel, wherein target power consumption data corresponding to the target brightness adjustment parameter is less than or equal to rated power consumption of the display panel comprises:
acquiring the rated power consumption data set of the display panel, wherein the rated power consumption data set comprises rated power consumption which corresponds to each image level in the preset image level section one by one;
comparing the preset power consumption data set with the rated power consumption data set of the display panel, and judging the sizes of the preset power consumption data set and the rated power consumption data set of the display panel;
and determining the target brightness adjusting parameter according to the preset power consumption data set and the rated power consumption data set of the display panel.
4. The method for driving a display panel according to claim 3, wherein the step of comparing the preset power consumption data set with the rated power consumption data set of the display panel and determining the size of the preset power consumption data set and the rated power consumption data set of the display panel comprises:
sequentially judging the preset power consumption and the rated power consumption corresponding to each image level in the preset image level section;
dividing each image level into a first image level set and a second image level set according to the preset power consumption and the rated power consumption, wherein the preset power consumption corresponding to any image level in the first image level set is larger than the rated power consumption; within the second set of image levels, the preset power consumption for any one of the image levels is less than or equal to the nominal power consumption.
5. The method for driving a display panel according to claim 3, wherein the step of determining the target brightness adjustment parameter according to the sizes of the preset power consumption data set and the rated power consumption data set of the display panel comprises:
taking the rated power consumption corresponding to each image level in the first image level set as first target power consumption data, and acquiring a first target brightness adjustment parameter corresponding to the first image level set according to the first target power consumption data;
setting the preset power consumption corresponding to each image level in the second image level set as second target power consumption data, and setting a preset brightness adjustment parameter corresponding to the second target power consumption data as a second target brightness adjustment parameter, where the second target brightness adjustment parameter corresponds to the second image level set;
and determining the target brightness adjusting parameter according to the first target brightness adjusting parameter and the second target brightness adjusting parameter.
6. The method according to claim 1, wherein the step of obtaining display data of one frame of display frame of the display panel and obtaining an average image level set of the display frame according to the display data comprises:
acquiring the display data of each sub-pixel of a frame of display picture of the display panel and the data type of the display data;
determining a calculation mode of the average image level according to the data type of the display data;
determining the average image level of each sub-pixel according to the calculation mode of the average image level and the display data of each sub-pixel;
and obtaining the average image level set of the display picture according to the average image level of each sub-pixel.
7. The method according to claim 6, wherein the step of adjusting the display luminance of the display screen according to the average image level set and the target luminance adjustment parameter comprises:
acquiring a driving data adjusting set according to the average image level set and the target brightness adjusting parameter;
and adjusting the brightness of the display panel according to the driving data adjustment set.
8. The method of claim 7, wherein the step of obtaining the driving data adjustment set according to the average image level set and the target brightness adjustment parameter comprises:
acquiring a driving data adjustment value of each sub-pixel according to the average image level and the target brightness adjustment parameter of each sub-pixel;
and acquiring the drive data adjustment set according to the drive data adjustment value of each sub-pixel.
9. A driving apparatus of a display panel, comprising:
the first acquisition module is used for acquiring preset brightness adjustment parameters and obtaining corresponding preset power consumption data sets according to the preset brightness adjustment parameters;
the generating module is used for comparing the rated power consumption data set with the preset power consumption data set of the display panel, and generating a target brightness adjusting parameter according to the comparison result of the rated power consumption data set with the preset power consumption data set of the display panel, wherein the target power consumption data corresponding to the target brightness adjusting parameter is less than or equal to the rated power consumption of the display panel;
the second acquisition module is used for acquiring display data of a frame of display picture of the display panel and obtaining an average image level set of the display picture according to the display data;
and the display module is used for adjusting the display brightness of the display picture according to the average image level set and the target brightness adjustment parameter.
10. An electronic device, characterized in that the electronic device comprises:
one or more processors;
a memory; and
one or more application programs, wherein the one or more application programs are stored with the memory and configured to be executed by the processor to implement the driving method of the display panel according to any one of claims 1 to 8.
CN202110590589.5A 2021-05-28 2021-05-28 Driving method and driving device of display panel and electronic equipment Active CN113270064B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110590589.5A CN113270064B (en) 2021-05-28 2021-05-28 Driving method and driving device of display panel and electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110590589.5A CN113270064B (en) 2021-05-28 2021-05-28 Driving method and driving device of display panel and electronic equipment

Publications (2)

Publication Number Publication Date
CN113270064A true CN113270064A (en) 2021-08-17
CN113270064B CN113270064B (en) 2022-09-27

Family

ID=77233365

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110590589.5A Active CN113270064B (en) 2021-05-28 2021-05-28 Driving method and driving device of display panel and electronic equipment

Country Status (1)

Country Link
CN (1) CN113270064B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005321664A (en) * 2004-05-11 2005-11-17 Hitachi Ltd Image display apparatus
CN101102437A (en) * 2006-07-03 2008-01-09 深圳Tcl工业研究院有限公司 Brightness adjusting method of LCD TV backlight
JP2012177722A (en) * 2011-02-25 2012-09-13 Hitachi Consumer Electronics Co Ltd Image adjustment method in multi-picture display device
CN105390096A (en) * 2015-11-24 2016-03-09 深圳创维－Rgb电子有限公司 Method and device for over-driving control of regional dimming
CN107992182A (en) * 2017-12-05 2018-05-04 北京小米移动软件有限公司 The method and apparatus of display interface image
CN110085174A (en) * 2019-04-23 2019-08-02 深圳市华星光电半导体显示技术有限公司 Reduce the method and device of power consumption for displays

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005321664A (en) * 2004-05-11 2005-11-17 Hitachi Ltd Image display apparatus
CN101102437A (en) * 2006-07-03 2008-01-09 深圳Tcl工业研究院有限公司 Brightness adjusting method of LCD TV backlight
JP2012177722A (en) * 2011-02-25 2012-09-13 Hitachi Consumer Electronics Co Ltd Image adjustment method in multi-picture display device
CN105390096A (en) * 2015-11-24 2016-03-09 深圳创维－Rgb电子有限公司 Method and device for over-driving control of regional dimming
CN107992182A (en) * 2017-12-05 2018-05-04 北京小米移动软件有限公司 The method and apparatus of display interface image
CN110085174A (en) * 2019-04-23 2019-08-02 深圳市华星光电半导体显示技术有限公司 Reduce the method and device of power consumption for displays

Also Published As

Publication number Publication date
CN113270064B (en) 2022-09-27

Similar Documents

Publication Publication Date Title
US9830846B2 (en) Image display device capable of supporting brightness enhancement and power control and method thereof
KR101147100B1 (en) Apparatus and method for driving liquid crystal display device
US9666113B2 (en) Display, image processing unit, and display method for improving image quality
KR101147084B1 (en) Apparatus and method for driving liquid crystal display device
KR101117980B1 (en) Apparatus and method for driving liquid crystal display device
KR100760943B1 (en) Apparatus and method driving for mobile display device
KR101319321B1 (en) Driving circuit for liquid crystal display device and method for driving the same
KR100648310B1 (en) The color transforming device using the brightness information of the image and display device comprising it
KR102196912B1 (en) display device and driving method thereof
KR101308450B1 (en) Apparatus and method for driving liquid crystal display device
US20050123193A1 (en) Image adjustment with tone rendering curve
TWI553622B (en) Image processing device with image compensation function and image processing method thereof
CN111968570A (en) Display compensation information acquisition method, display compensation method and device
KR101878362B1 (en) Image display device and method of driving the same
US11030971B2 (en) Display device and image processing method for color correction based on image type
JP2006031001A (en) Input image display apparatus and method therefor
KR20150071549A (en) Display device and display device driving method using the same
CN113270064B (en) Driving method and driving device of display panel and electronic equipment
KR101675257B1 (en) Gamma correction device and gamma correction method, apparatus and method for driving of display using the same
JP2010109794A (en) Video signal processor, video signal processing method, program, and display device
KR101761413B1 (en) Image quality enhancement method and display device using the same
KR101843858B1 (en) Self Light Emission Display Device And Its Driving Method
KR100850166B1 (en) Display element driving device and method thereof
JP2005266452A (en) Method and device for correcting luminance of liquid crystal display device
KR100755682B1 (en) Apparatus for supporting bright enhancement and power control, and method thereof

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