CN105632434A - Method and device for determining driving voltage of sub-pixel of liquid crystal panel - Google Patents
Method and device for determining driving voltage of sub-pixel of liquid crystal panel Download PDFInfo
- Publication number
- CN105632434A CN105632434A CN201511028417.XA CN201511028417A CN105632434A CN 105632434 A CN105632434 A CN 105632434A CN 201511028417 A CN201511028417 A CN 201511028417A CN 105632434 A CN105632434 A CN 105632434A
- Authority
- CN
- China
- Prior art keywords
- sub
- brightness value
- pixel region
- pixel
- driving voltage
- 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
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3622—Control of matrices with row and column drivers using a passive matrix
- G09G3/3629—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals
- G09G3/364—Control of matrices with row and column drivers using a passive matrix using liquid crystals having memory effects, e.g. ferroelectric liquid crystals with use of subpixels
-
- 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
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3696—Generation of voltages supplied to electrode drivers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (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)
- Liquid Crystal (AREA)
- Liquid Crystal Display Device Control (AREA)
Abstract
The invention provides a method and a device for determining driving voltage of a sub-pixel of a liquid crystal panel. The sub-pixel comprises a main sub-pixel region and a secondary sub-pixel region whose area ratio is a:b. The method comprises steps of acquiring a first driving voltage when the main sub-pixel region of the sub-pixel of the liquid crystal panel is allowed to display all first theoretical brightness values; acquiring second driving voltage when the slave sub-pixel region of the sub-pixel of the liquid crystal panel is allowed to display all second theoretical brightness values; acquiring a third theoretical brightness value; determining one group satisfying a preset condition in groups of which the sum of first theoretical brightness values and the second theoretical brightness values is equal to the theoretical brightness value; acquiring a first driving voltage corresponding to the first brightness value in the determined group and using the first driving voltage as the driving voltage of the main sub-pixel region; and acquiring a second driving voltage corresponding to the second brightness value in the determined group and using the second driving voltage as driving voltage of the slave sub-pixel region. According to the invention, the wide-angle color cast of the liquid crystal panel can be effectively improved.
Description
Technical field
The invention belongs to technical field of liquid crystal display, more particularly, it relates to the method for the driving voltage of a kind of sub-pixel determining liquid crystal panel and device.
Background technology
In recent years, liquid crystal display (LCD) is little with its volume, lightweight, display quality advantages of higher instead of conventional cathode-ray picture tube (CRT) display gradually. The pixel that the picture shown by liquid crystal panel in liquid crystal display is arranged by many arrays is constituted, each pixel is generally made up of the sub-pixel showing shades of colour respectively, and the brightness shown by each sub-pixel is together decided on by the GTG of the brightness of the backlight module of liquid crystal display He the sub-pixel of this liquid crystal panel. In the driving method of existing liquid crystal display, most common method is to utilize the brightness of backlight module to maintain a constant brightness, image data according to input, driving voltage in different sizes drives the liquid crystal in each sub-pixel of this liquid crystal panel to rotate respectively, determine that the light transmittance of each sub-pixel is (namely thereby through the anglec of rotation of liquid crystal molecule, brightness), to reach the purpose that GTG shows and develops.
Along with the continuous application of liquid crystal display, the requirement at the visual angle of liquid crystal display is also gradually stepped up by people, thus, have developed the wide-angle liquid crystal display that visible angle is relatively larger, for instance, VALCD etc. But, owing to the liquid crystal panel of this wide-angle liquid crystal display adopts the liquid crystal of vertical rotation, the comparison in difference of liquid crystal molecule birefringence is big, cause that colour cast (colorshift) the problem ratio under big visual angle is more serious, the luminance difference seen from different perspectives making the liquid crystal panel of VALCD is relatively big, causes distortion. 2D1G technology is the common technology of the colour cast problem solving VALCD at present. Here, 2D1G technology refers to and sub-pixel is divided into boss pixel region M and sub-sub-pixel region S, and makes sub-pixel show corresponding GTG by applying driving voltage respectively to the boss pixel region M and sub-sub-pixel region S of sub-pixel. Generally, the difference according to the driving voltage that the boss pixel region M and sub-sub-pixel region S of sub-pixel are applied, 2D1G technology is different to the improvement effect of the colour cast of VALCD.
Summary of the invention
For overcoming the deficiencies in the prior art, the exemplary embodiment of the present invention provides method and the device of the driving voltage of the sub-pixel of a kind of determination liquid crystal panel that can effectively improve colour cast.
The exemplary embodiment of the present invention provides the method for the driving voltage of a kind of sub-pixel determining liquid crystal panel on the one hand, each pixel of described liquid crystal panel includes the sub-pixel of multiple color, each sub-pixel includes boss's pixel region and the sub-sub-pixel region that area ratio is a:b, it is characterized in that, described method includes: a) obtain the first driving voltage when making boss's pixel region of sub-pixel of described liquid crystal panel show each first theoretical brightness value respectively, wherein, each first theoretical brightness value is the described boss's pixel region theoretical brightness value when each GTG, b) obtaining the second driving voltage when making the sub-sub-pixel region of described sub-pixel show each second theoretical brightness value respectively, wherein, each second theoretical brightness value is the described sub-sub-pixel region theoretical brightness value when each GTG, c) obtaining the 3rd theoretical brightness value, wherein, the 3rd theoretical brightness value is the described sub-pixel theoretical brightness value when predetermined GTG, d) according to each first theoretical brightness value described, each second theoretical brightness value described and the described 3rd theoretical brightness value, it is determined that make sum be equal to the combination meeting predetermined condition in the first theoretical brightness value of the described 3rd theoretical brightness value and the combination of the second theoretical brightness value, e) obtain the driving voltage as described boss's pixel region of first theoretical the first driving voltage corresponding to brightness value in the combination determined, obtain the driving voltage as described sub-sub-pixel region of second theoretical the second driving voltage corresponding to brightness value in the combination determined.
Alternatively, described predetermined condition is for making L1/a-L2/ b is maximum, wherein, and L1It is the first theoretical brightness value, L2It it is the second theoretical brightness value.
Alternatively, step a) including: a1) measure boss's pixel region of sub-pixel of described liquid crystal panel maximum brightness value when the maximum drive voltage of described boss's pixel region; A2) obtain the gamma curve of described boss's pixel region according to the maximum brightness value of the described boss's pixel region measured, and utilize described gamma curve to obtain each the first theoretical brightness value respectively; A3) driving voltage of described boss's pixel region is regulated, so that described boss's pixel region shows each the first theoretical brightness value successively, thus respectively obtaining the first driving voltage when making described boss's pixel region show each first theoretical brightness value.
Alternatively, the expression formula of described gamma curve is: L1(i)=L1m��(i/m)��,
Wherein, �� is predetermined gamma value, L1I () is the described boss's pixel region theoretical brightness value when GTG i, L1mThe maximum brightness value of the described boss's pixel region for measuring, i �� [t, m], t is minimum gray, and m is maximum gray.
Alternatively, step b) including: b1) measure the sub-sub-pixel region of the described sub-pixel maximum brightness value when the maximum drive voltage in described sub-sub-pixel region; B2) obtain the gamma curve in described sub-sub-pixel region according to the maximum brightness value in the described sub-sub-pixel region measured, and utilize described gamma curve to obtain each the second theoretical brightness value respectively; B3) driving voltage in described sub-sub-pixel region is regulated, so that described sub-sub-pixel region shows each the second theoretical brightness value successively, thus respectively obtaining the second driving voltage when making described sub-sub-pixel region show each second theoretical brightness value.
Alternatively, the expression formula of described gamma curve is: L2(j)=L2m��(j/m)��,
Wherein, �� is predetermined gamma value, L2J () is the described sub-sub-pixel region theoretical brightness value when GTG j, L2mThe maximum brightness value in the described sub-sub-pixel region for measuring, j �� [t, m], t is minimum gray, and m is maximum gray.
Alternatively, step c) including: c1) measure the described sub-pixel maximum brightness value when the driving voltage respectively respective maximum drive voltage in boss's pixel region of described sub-pixel and the sub-sub-pixel region of described sub-pixel; C2) obtain the gamma curve of described sub-pixel according to the maximum brightness value of the described sub-pixel measured, and utilize described gamma curve to obtain the 3rd theoretical brightness value.
Alternatively, the expression formula of described gamma curve is: L3(k)=L3m��(k/m)��,
Wherein, �� is predetermined gamma value, L3K () is the described sub-pixel theoretical brightness value when GTG k, L3mThe maximum brightness value of the described sub-pixel for measuring, k �� [t, m], t is minimum gray, and m is maximum gray.
Alternatively, ��=2.2.
The another aspect of the exemplary embodiment of the present invention provides the device of the driving voltage of a kind of sub-pixel determining liquid crystal panel, each pixel of described liquid crystal panel includes the sub-pixel of multiple color, each sub-pixel includes boss's pixel region and the sub-sub-pixel region that area ratio is a:b, it is characterized in that, described device includes: the first driving voltage acquiring unit, obtain the first driving voltage when making boss's pixel region of sub-pixel of described liquid crystal panel show each first theoretical brightness value respectively, wherein, each first theoretical brightness value is the described boss's pixel region theoretical brightness value when each GTG, second driving voltage acquiring unit, obtain the second driving voltage when making the sub-sub-pixel region of described sub-pixel show each second theoretical brightness value respectively, wherein, each second theoretical brightness value is the described sub-sub-pixel region theoretical brightness value when each GTG, 3rd theoretical brightness value acquiring unit, obtains the 3rd theoretical brightness value, and wherein, the 3rd theoretical brightness value is the described sub-pixel theoretical brightness value when predetermined GTG, unit is determined in combination, each second theoretical brightness value that each second driving voltage of obtaining according to each first theoretical brightness value respectively corresponding with each first driving voltage that the first driving voltage acquiring unit obtains and the second driving voltage acquiring unit is corresponding respectively and the 3rd theoretical brightness value that the 3rd theoretical brightness value obtains, it is determined that make sum be equal to the combination meeting predetermined condition in the first theory brightness value of described 3rd theory brightness value and the combination of the second theory brightness value, driving voltage acquiring unit, obtain combination and determine the first driving voltage corresponding to brightness value of the first theory in the combination that unit the is determined driving voltage as described boss's pixel region, obtain theoretical the second driving voltage corresponding to brightness value of second in the one combination driving voltage as described sub-sub-pixel region.
Alternatively: described predetermined condition is for making L1/a-L2/ b is maximum, wherein, and L1It is the first theoretical brightness value, L2It it is the second theoretical brightness value.
Alternatively, the first driving voltage acquiring unit includes: boss's pixel region maximum brightness value obtains subelement, obtains boss's pixel region of sub-pixel of described liquid crystal panel maximum brightness value when the maximum drive voltage of described boss's pixel region; First theoretical brightness value determines subelement, the maximum brightness value obtaining described boss's pixel region of subelement acquisition according to boss's pixel region maximum brightness value obtains the gamma curve of described boss's pixel region, and utilizes described gamma curve to determine each the first theoretical brightness value respectively; First driving voltage obtains subelement, obtains the first driving voltage when making described boss's pixel region show each first theoretical brightness value.
Alternatively, the expression formula of described gamma curve is: L1(i)=L1m��(i/m)��,
Wherein, �� is predetermined gamma value, L1I () is the described boss's pixel region theoretical brightness value when GTG i, L1mThe maximum brightness value of the described boss's pixel region for measuring, i �� [t, m], t is minimum gray, and m is maximum gray.
Alternatively, the second driving voltage acquiring unit includes: sub-sub-pixel region maximum brightness value obtains subelement, obtains the sub-sub-pixel region of the described sub-pixel maximum brightness value when the maximum drive voltage in described sub-sub-pixel region; Second theoretical brightness value determines subelement, the maximum brightness value obtaining the described sub-sub-pixel region of subelement acquisition according to sub-sub-pixel region maximum brightness value obtains the gamma curve in described sub-sub-pixel region, and utilizes described gamma curve to determine each the second theoretical brightness value respectively; Second driving voltage obtains subelement, obtains the second driving voltage when making described sub-sub-pixel region show each second theoretical brightness value.
Alternatively, the expression formula of described gamma curve is: L2(j)=L2m��(j/m)��,
Wherein, �� is predetermined gamma value, L2J () is the described sub-sub-pixel region theoretical brightness value when GTG j, L2mThe maximum brightness value in the described sub-sub-pixel region for measuring, j �� [t, m], t is minimum gray, and m is maximum gray.
Alternatively, 3rd theoretical brightness value acquiring unit includes: sub-pixel maximum brightness value obtains subelement, obtains the described sub-pixel maximum brightness value when the driving voltage respectively respective maximum drive voltage in boss's pixel region of described sub-pixel and the sub-sub-pixel region of described sub-pixel; 3rd theoretical brightness value determines subelement, and the maximum brightness value obtaining the described sub-pixel of subelement acquisition according to sub-pixel maximum brightness value obtains the gamma curve of described sub-pixel, and utilizes described gamma curve to determine the 3rd theoretical brightness value.
Alternatively, the expression formula of described gamma curve is: L3(k)=L3m��(k/m)��,
Wherein, �� is predetermined gamma value, L3K () is the described sub-pixel theoretical brightness value when GTG k, L3mThe maximum brightness value of the described sub-pixel for measuring, k �� [t, m], t is minimum gray, and m is maximum gray.
Alternatively, ��=2.2.
The method of the driving voltage of the sub-pixel of the determination liquid crystal panel that the exemplary embodiment according to the present invention provides and device, it is possible to effectively improve the wide viewing angle colour cast of liquid crystal panel.
By in following description part set forth the present invention other in and/or advantage, some be will be apparent from by description, or can learn through the enforcement of the present invention.
Accompanying drawing explanation
By the description to embodiment carried out below in conjunction with accompanying drawing, above-mentioned and/or other purpose of the present invention and advantage will become apparent, wherein:
Fig. 1 is the flow chart of the method for the driving voltage illustrating the sub-pixel determining liquid crystal panel according to an exemplary embodiment of the present invention;
Fig. 2 is the flow chart illustrating the step obtaining the first driving voltage when making boss's pixel region of sub-pixel of liquid crystal panel show each first theoretical brightness value according to an exemplary embodiment of the present invention respectively;
Fig. 3 is the flow chart illustrating the step obtaining the second driving voltage when making the sub-sub-pixel region of sub-pixel of liquid crystal panel show each second theoretical brightness value according to an exemplary embodiment of the present invention respectively;
Fig. 4 is the flow chart illustrating the step obtaining the 3rd theoretical brightness value according to an exemplary embodiment of the present invention;
Fig. 5 is the block diagram of the device of the driving voltage illustrating the sub-pixel determining liquid crystal panel according to an exemplary embodiment of the present invention;
Fig. 6 is the block diagram illustrating the first driving voltage acquiring unit according to an exemplary embodiment of the present invention;
Fig. 7 is the block diagram illustrating the second driving voltage acquiring unit according to an exemplary embodiment of the present invention;
Fig. 8 is the block diagram illustrating the 3rd theoretical brightness value acquiring unit according to an exemplary embodiment of the present invention.
Detailed description of the invention
Now will be described in the exemplary embodiment of the present invention, the example of described embodiment is shown in the drawings, wherein, and the part that identical label instruction is identical. Hereinafter by referring to accompanying drawing, described embodiment will be described, in order to explain the present invention.
Fig. 1 is the flow chart of the method for the driving voltage illustrating the sub-pixel determining liquid crystal panel according to an exemplary embodiment of the present invention. Each pixel of described liquid crystal panel includes the sub-pixel of multiple color, and each sub-pixel includes boss's pixel region and the sub-sub-pixel region that area ratio is a:b.
As it is shown in figure 1, in step S101, obtain the first driving voltage when boss's pixel region of the sub-pixel making described liquid crystal panel shows each first theoretical brightness value respectively. Here, only drive boss's pixel region of sub-pixel, to obtain the first driving voltage when described boss's pixel region shows each first theoretical brightness value. Each first theoretical brightness value is the described boss's pixel region theoretical brightness value when each GTG. Each GTG is each value in the span of GTG.
Difference according to liquid crystal panel, the span of GTG is different. When liquid crystal panel is 8 bit liquid crystal panel, the span of GTG is [0,255], then each first theoretical brightness value is the described boss's pixel region theoretical brightness value when each value that GTG is in [0,255]. When liquid crystal panel is 10 bit liquid crystal panel, the span of GTG is [0,1023], then each first theoretical brightness value is the described boss's pixel region theoretical brightness value when each value that GTG is in [0,1023].
Here, the first driving voltage when making described boss's pixel region show each first theoretical brightness value can be obtained respectively by existing various methods.
Exemplarily, the step of the first driving voltage when making described boss's pixel region show each first theoretical brightness value is obtained respectively as shown in Figure 2.
Fig. 2 is the flow chart illustrating the step obtaining the first driving voltage when making boss's pixel region of sub-pixel of liquid crystal panel show each first theoretical brightness value according to an exemplary embodiment of the present invention respectively.
As in figure 2 it is shown, in step S201, the boss's pixel region of the sub-pixel of the measurement liquid crystal panel maximum brightness value when the maximum drive voltage of described boss's pixel region. Here, the size of the maximum drive voltage of described boss's pixel region is relevant with the characteristic of described boss's pixel region, it is possible to select a driving voltage as the maximum drive voltage of described boss's pixel region as required. It is appreciated that the maximum brightness value that existing various method can be adopted to measure described boss's pixel region. It will be understood by those skilled in the art that measurement here is to carry out when facing liquid crystal panel, and, in aftermentioned content, when unspecified be " facing " or " stravismus ", each mean " facing ".
In step S202, obtain the gamma curve of described boss's pixel region according to the maximum brightness value of the described boss's pixel region measured, and utilize described gamma curve to obtain each the first theoretical brightness value respectively. Here, the expression formula of the gamma curve of described boss's pixel region is:
L1(i)=L1m��(i/m)��(1)
Here, �� is predetermined gamma value, it is possible to determine predetermined gamma value according to the characteristic of liquid crystal panel, it is preferable that ��=2.2. L1I () is the described boss's pixel region theoretical brightness value when GTG i, i.e. the first theoretical brightness value. L1mThe maximum brightness value of the described boss's pixel region for measuring, i �� [t, m], t is minimum gray, and m is maximum gray. Here, when the span of GTG is [0,255], t is 0, m is 255. When the span of GTG is [0,1023], t is 0, m is 1023.
It is calculated by each GTG in span [t, m] is substituted in above-mentioned formula (1) respectively as i, each the first theoretical brightness value can be obtained.
Then, according to each the first theoretical brightness value obtained by above-mentioned formula (1), examination survey method is utilized to determine described first driving voltage respectively.
In step S203, regulate the driving voltage of described boss's pixel region, so that described boss's pixel region shows each the first theoretical brightness value successively, thus respectively obtaining the first driving voltage when making described boss's pixel region show each first theoretical brightness value.
In step S102, obtain the second driving voltage when making the sub-sub-pixel region of described sub-pixel show each second theoretical brightness value respectively. Here, only drive the sub-sub-pixel region of sub-pixel, to obtain the second driving voltage when described sub-sub-pixel region shows each second theoretical brightness value. Each second theoretical brightness value is the described sub-sub-pixel region theoretical brightness value when each GTG.
Here, the second driving voltage when making described sub-sub-pixel region show each second theoretical brightness value can be obtained respectively by existing various methods.
Exemplarily, the step of the second driving voltage when making described sub-sub-pixel region show each second theoretical brightness value is obtained respectively as shown in Figure 3.
Fig. 3 is the flow chart illustrating the step obtaining the second driving voltage when making the sub-sub-pixel region of sub-pixel of liquid crystal panel show each second theoretical brightness value according to an exemplary embodiment of the present invention respectively.
As it is shown on figure 3, in step S301, the sub-sub-pixel region of the sub-pixel of the measurement liquid crystal panel maximum brightness value when the maximum drive voltage in described sub-sub-pixel region. Here, the size of the maximum drive voltage in described sub-sub-pixel region is relevant with the characteristic in described sub-sub-pixel region, it is possible to select a driving voltage as the maximum drive voltage in described sub-sub-pixel region as required. It is appreciated that the maximum brightness value that existing various method can be adopted to measure described sub-sub-pixel region.
In step S302, obtain the gamma curve in described sub-sub-pixel region according to the maximum brightness value in the described sub-sub-pixel region measured, and utilize described gamma curve to obtain each the second theoretical brightness value respectively. Here, the expression formula of the gamma curve in described sub-sub-pixel region is:
L2(j)=L2m��(j/m)��(2)
Here, �� is predetermined gamma value, it is possible to determine predetermined gamma value according to the characteristic of liquid crystal panel, it is preferable that ��=2.2. L2J () is the described sub-sub-pixel region theoretical brightness value when GTG j, i.e. the second theoretical brightness value. L2mThe maximum brightness value in the described sub-sub-pixel region for measuring, j �� [t, m].
It is calculated by each GTG in span [t, m] is substituted in above-mentioned formula (2) respectively as j, each the second theoretical brightness value can be obtained.
Then, according to each the second theoretical brightness value obtained by above-mentioned formula (2), examination survey method is utilized to determine described second driving voltage respectively.
In step S303, regulate the driving voltage in described sub-sub-pixel region, so that described sub-sub-pixel region shows each the second theoretical brightness value successively, thus respectively obtaining the second driving voltage when making described sub-sub-pixel region show each second theoretical brightness value.
In step S103, obtain the 3rd theoretical brightness value. Here, the 3rd theoretical brightness value is the described sub-pixel theoretical brightness value when predetermined GTG, and predetermined GTG can be any one GTG in the span of GTG.
The 3rd theoretical brightness value can be obtained by existing various methods. Exemplarily, the step of the 3rd theoretical brightness value is obtained as shown in Figure 4.
Fig. 4 is the flow chart illustrating the step obtaining the 3rd theoretical brightness value according to an exemplary embodiment of the present invention.
As shown in Figure 4, in step S401, measure the sub-pixel of the liquid crystal panel maximum brightness value when the driving voltage respectively respective maximum drive voltage in boss's pixel region of described sub-pixel and the sub-sub-pixel region of described sub-pixel. That is, the sub-sub-pixel region of boss's pixel region of described sub-pixel and described sub-pixel being applied respective maximum drive voltage, the brightness value measuring now described sub-pixel is the maximum brightness value of described sub-pixel simultaneously. Here, described maximum brightness value can be measured by existing various methods.
Exemplarily, can also measure described boss's pixel region and described sub-sub-pixel region respectively at driving voltage is brightness value during respective maximum drive voltage, and the added luminance in the brightness value of the described boss's pixel region measured and the described sub-sub-pixel region of measurement obtains the maximum brightness value of described sub-pixel.
In step S402, obtain the gamma curve of described sub-pixel according to the maximum brightness value of the described sub-pixel measured, and utilize described gamma curve to obtain the 3rd theoretical brightness value. Here, the expression formula of the gamma curve of described sub-pixel is:
L3(k)=L3m��(k/m)��(3)
Here, �� is predetermined gamma value, it is possible to determine predetermined gamma value according to the characteristic of liquid crystal panel, it is preferable that ��=2.2. L3K () is the described sub-pixel theoretical brightness value when GTG k, L3mThe maximum brightness value of the described sub-pixel for measuring, k �� [t, m].
It is calculated by predetermined GTG is substituted in above-mentioned formula (3) as k, the 3rd theoretical brightness value can be obtained.
In step S104, according to the theoretical brightness value of each in step S101 first, the 3rd theoretical brightness value that each second theoretical brightness value in step S102 and step S103 obtain, it is determined that make sum be equal to the combination meeting predetermined condition in the first theoretical brightness value of the described 3rd theoretical brightness value and the combination of the second theory brightness value.
Exemplarily, first determine the combination of each first theoretical brightness value described and each second theoretical added luminance described the first theoretical brightness value equal to the described 3rd theoretical brightness value and the second theoretical brightness value, then choose, from the combination of the first theoretical brightness value and the second theoretical brightness value, the combination meeting predetermined condition. Here, described predetermined condition is for making L1/a-L2/ b is maximum, wherein, and L1It is the first theoretical brightness value, L2It it is the second theoretical brightness value.
In step S105, obtain the driving voltage as described boss's pixel region of the first driving voltage corresponding to the first theoretical brightness value in the combination determined by step S104 according to step S101, obtain the driving voltage as described sub-sub-pixel region of the second driving voltage corresponding to the second theoretical brightness value in the combination determined by step S104 according to step S102. Thus obtaining making driving voltage that the sub-pixel of liquid crystal panel tackles described sub-pixel boss's pixel region when showing predetermined GTG applies and the driving voltage that the sub-sub-pixel region to described sub-pixel applies.
Fig. 5 is the block diagram of the device of the driving voltage illustrating the sub-pixel determining liquid crystal panel according to an exemplary embodiment of the present invention. Each pixel of described liquid crystal panel includes the sub-pixel of multiple color, and each sub-pixel includes boss's pixel region and the sub-sub-pixel region that area ratio is a:b.
As shown in Figure 5, it is determined that the device of the driving voltage of the sub-pixel of liquid crystal panel includes: unit 104 and driving voltage acquiring unit 105 are determined in the theoretical brightness value acquiring unit 103 of first driving voltage acquiring unit the 101, second driving voltage acquiring unit the 102, the 3rd, combination.
First driving voltage acquiring unit 101 shows the first driving voltage during each first theoretical brightness value for the boss's pixel region obtaining the sub-pixel making described liquid crystal panel respectively. Here, the first driving voltage acquiring unit 101 only drives boss's pixel region of sub-pixel, to obtain the first driving voltage when described boss's pixel region shows each first theoretical brightness value. Each first theoretical brightness value is the described boss's pixel region theoretical brightness value when each GTG. Each GTG is each value in the span of GTG.
Here, the first driving voltage acquiring unit 101 can obtain the first driving voltage when making described boss's pixel region show each first theoretical brightness value respectively by existing various methods.
Exemplarily, the first driving voltage acquiring unit 101 is as shown in Figure 6.
Fig. 6 is the block diagram illustrating the first driving voltage acquiring unit according to an exemplary embodiment of the present invention.
As described in Figure 6, the first driving voltage acquiring unit 101 includes: boss's pixel region maximum brightness value obtains the theoretical brightness value of subelement 201, first and determines that subelement 202 and the first driving voltage obtain subelement 203.
Boss's pixel region maximum brightness value obtains subelement 201 and is used for the boss's pixel region obtaining the sub-pixel of the liquid crystal panel maximum brightness value when the maximum drive voltage of described boss's pixel region. Here, boss's pixel region maximum brightness value obtains subelement 201 and can obtain described maximum brightness value by existing various methods. The size of the maximum drive voltage of described boss's pixel region is relevant with the characteristic of described boss's pixel region, it is possible to select a driving voltage as the maximum drive voltage of described boss's pixel region as required. It will be appreciated by those skilled in the art that, here the maximum brightness value when maximum brightness value obtained is face liquid crystal panel, and, in aftermentioned content, in unspecified situation, maximum brightness value each means maximum brightness value when facing liquid crystal panel.
First theoretical brightness value determines that subelement 202 obtains the gamma curve of described boss's pixel region for the maximum brightness value obtaining described boss's pixel region that subelement obtains according to boss's pixel region maximum brightness value, and utilizes described gamma curve to determine each the first theoretical brightness value respectively. Here, the expression formula of the gamma curve of described boss's pixel region is above-mentioned formula (1).
First driving voltage obtains subelement 203 for obtaining the first driving voltage when making described boss's pixel region show each first theoretical brightness value. Here, the first driving voltage obtains subelement 203 and can obtain described first driving voltage by existing various methods.
In Figure 5, the second driving voltage acquiring unit 102 is for obtaining the second driving voltage when making the sub-sub-pixel region of described sub-pixel show each second theoretical brightness value respectively. Here, the second driving voltage acquiring unit 102 only drives the sub-sub-pixel region of sub-pixel, to obtain the second driving voltage when described sub-sub-pixel region shows each second theoretical brightness value. Each second theoretical brightness value is the described sub-sub-pixel region theoretical brightness value when each GTG.
Here, the second driving voltage acquiring unit 102 can obtain the second driving voltage when making described sub-sub-pixel region show each second theoretical brightness value respectively by existing various methods.
Exemplarily, the second driving voltage acquiring unit 102 is as shown in Figure 7.
Fig. 7 is the block diagram illustrating the second driving voltage acquiring unit according to an exemplary embodiment of the present invention.
As it is shown in fig. 7, the second driving voltage acquiring unit 102 includes: sub-sub-pixel region maximum brightness value obtains the theoretical brightness value of subelement 301, second and determines that subelement 302 and the second driving voltage obtain subelement 303.
Sub-sub-pixel region maximum brightness value obtains subelement 301 and is used for the sub-sub-pixel region obtaining the sub-pixel of the liquid crystal panel maximum brightness value when the maximum drive voltage in described sub-sub-pixel region. Here, sub-sub-pixel region maximum brightness value obtains subelement 301 and can obtain described maximum brightness value by existing various methods. The size of the maximum drive voltage in described sub-sub-pixel region is relevant with the characteristic in described sub-sub-pixel region, it is possible to select a driving voltage as the maximum drive voltage in described sub-sub-pixel region as required.
Second theoretical brightness value determines that subelement 302 obtains the gamma curve in described sub-sub-pixel region for the maximum brightness value obtaining the described sub-sub-pixel region that subelement 301 obtains according to sub-sub-pixel region maximum brightness value, and utilizes described gamma curve to obtain each the second theoretical brightness value respectively. Here, the expression formula of the gamma curve in described sub-sub-pixel region is above-mentioned formula (2).
Second driving voltage obtains subelement 303 for obtaining the second driving voltage when making described sub-sub-pixel region show each second theoretical brightness value. Here, the second driving voltage obtains subelement 303 and can obtain described second driving voltage by existing various methods.
In Figure 5, the 3rd theoretical brightness value acquiring unit 103 is used for obtaining the 3rd theoretical brightness value. Here, the 3rd theoretical brightness value is the described sub-pixel theoretical brightness value when predetermined GTG, and predetermined GTG can be any one GTG in the span of GTG.
3rd theoretical brightness value acquiring unit 103 can obtain the 3rd theoretical brightness value by existing various methods. Exemplarily, the 3rd theoretical brightness value acquiring unit 103 is as shown in Figure 8.
Fig. 8 is the block diagram illustrating the 3rd theoretical brightness value acquiring unit according to an exemplary embodiment of the present invention.
As shown in Figure 8, the 3rd theoretical brightness value acquiring unit 103 includes: sub-pixel maximum brightness value obtains subelement 401 and the 3rd theoretical brightness value determines subelement 402.
Sub-pixel maximum brightness value obtains subelement 401 for obtaining the sub-pixel of the liquid crystal panel maximum brightness value when the driving voltage respectively respective maximum drive voltage in boss's pixel region of described sub-pixel and the sub-sub-pixel region of described sub-pixel. Here, sub-pixel maximum brightness value obtains subelement 401 and can obtain described maximum brightness value by existing various methods.
3rd theoretical brightness value determines that subelement 402 obtains the gamma curve of described sub-pixel for the maximum brightness value obtaining the described sub-pixel that subelement 401 obtains according to sub-pixel maximum brightness value, and utilizes described gamma curve to obtain the 3rd theoretical brightness value. Here, the expression formula of the gamma curve of described sub-pixel is above-mentioned formula (3).
In Figure 5, combination determines that unit 104 is for according to the first theoretical brightness value corresponding respectively with each first driving voltage that the first driving voltage acquiring unit 101 obtains, the 3rd theoretical brightness value that each second theoretical brightness value corresponding respectively with each second driving voltage that the second driving voltage acquiring unit obtains and the 3rd theoretical brightness value acquiring unit 103 obtain, it is determined that make sum be equal to the combination meeting predetermined condition in the first theoretical brightness value of the described 3rd theoretical brightness value and the combination of the second theoretical brightness value.
Here, combination determines that unit 104 can determine the combination meeting predetermined condition by existing various methods. Exemplarily, combination determines that unit 104 can first determine that the combination of each first theoretical brightness value described and each second theoretical added luminance described the first theoretical brightness value equal to the described 3rd theoretical brightness value and the second theoretical brightness value, then chooses, from the combination of the first theoretical brightness value and the second theoretical brightness value, the combination meeting predetermined condition. Here, described predetermined condition is for making L1/a-L2/ b is maximum, wherein, and L1It is the first theoretical brightness value, L2It it is the second theoretical brightness value.
Driving voltage acquiring unit 105 is for obtaining the driving voltage as described boss's pixel region of the first driving voltage corresponding to the first theoretical brightness value being determined in the combination that unit 104 is determined by combination, and obtains the driving voltage as described sub-sub-pixel region of the second driving voltage corresponding to the second theoretical brightness value being determined in the combination that unit 104 is determined by combination. Thus obtaining making driving voltage that the sub-pixel of liquid crystal panel tackles described sub-pixel boss's pixel region when showing predetermined GTG applies and the driving voltage that the sub-sub-pixel region to described sub-pixel applies.
The method of the driving voltage of the sub-pixel of the determination liquid crystal panel of the exemplary embodiment according to the present invention and device, it is possible to effectively improve the wide viewing angle colour cast of liquid crystal panel, thus promoting the visual experience of user.
The above example of the present invention is merely exemplary, and the present invention is not limited to this. Those skilled in the art should understand that: without departing from the principles and spirit of the present invention, can change these embodiments, wherein, the scope of the present invention limits in claim and equivalent thereof.
Claims (10)
1. the method for the driving voltage of the sub-pixel determining liquid crystal panel, each pixel of described liquid crystal panel includes the sub-pixel of multiple color, each sub-pixel includes boss's pixel region and the sub-sub-pixel region that area ratio is a:b, it is characterised in that described method includes:
A) obtaining the first driving voltage when making boss's pixel region of sub-pixel of described liquid crystal panel show each first theoretical brightness value respectively, wherein, each first theoretical brightness value is the described boss's pixel region theoretical brightness value when each GTG;
B) obtaining the second driving voltage when making the sub-sub-pixel region of described sub-pixel show each second theoretical brightness value respectively, wherein, each second theoretical brightness value is the described sub-sub-pixel region theoretical brightness value when each GTG;
C) obtaining the 3rd theoretical brightness value, wherein, the 3rd theoretical brightness value is the described sub-pixel theoretical brightness value when predetermined GTG;
D) according to each first theoretical brightness value described, each second theoretical brightness value described and the described 3rd theoretical brightness value, it is determined that make sum be equal to the combination meeting predetermined condition in the first theoretical brightness value of the described 3rd theoretical brightness value and the combination of the second theoretical brightness value;
E) obtain the driving voltage as described boss's pixel region of first theoretical the first driving voltage corresponding to brightness value in the combination determined, obtain the driving voltage as described sub-sub-pixel region of second theoretical the second driving voltage corresponding to brightness value in the combination determined.
2. method according to claim 1, it is characterised in that: described predetermined condition is for making L1/a-L2/ b is maximum,
Wherein, L1It is the first theoretical brightness value, L2It it is the second theoretical brightness value.
3. method according to claim 1, it is characterised in that step a) including:
A1) boss's pixel region of sub-pixel of described liquid crystal panel maximum brightness value when the maximum drive voltage of described boss's pixel region is measured;
A2) obtain the gamma curve of described boss's pixel region according to the maximum brightness value of the described boss's pixel region measured, and utilize described gamma curve to obtain each the first theoretical brightness value respectively;
A3) driving voltage of described boss's pixel region is regulated, so that described boss's pixel region shows each the first theoretical brightness value successively, thus respectively obtaining the first driving voltage when making described boss's pixel region show each first theoretical brightness value.
4. method according to claim 1, it is characterised in that step b) including:
B1) the sub-sub-pixel region of the described sub-pixel maximum brightness value when the maximum drive voltage in described sub-sub-pixel region is measured;
B2) obtain the gamma curve in described sub-sub-pixel region according to the maximum brightness value in the described sub-sub-pixel region measured, and utilize described gamma curve to obtain each the second theoretical brightness value respectively;
B3) driving voltage in described sub-sub-pixel region is regulated, so that described sub-sub-pixel region shows each the second theoretical brightness value successively, thus respectively obtaining the second driving voltage when making described sub-sub-pixel region show each second theoretical brightness value.
5. method according to claim 1, it is characterised in that step c) including:
C1) the described sub-pixel maximum brightness value when the driving voltage respectively respective maximum drive voltage in boss's pixel region of described sub-pixel and the sub-sub-pixel region of described sub-pixel is measured;
C2) obtain the gamma curve of described sub-pixel according to the maximum brightness value of the described sub-pixel measured, and utilize described gamma curve to obtain the 3rd theoretical brightness value.
6. the device of the driving voltage of the sub-pixel determining liquid crystal panel, each pixel of described liquid crystal panel includes the sub-pixel of multiple color, each sub-pixel includes boss's pixel region and the sub-sub-pixel region that area ratio is a:b, it is characterised in that described device includes:
First driving voltage acquiring unit, obtain the first driving voltage when making boss's pixel region of sub-pixel of described liquid crystal panel show each first theoretical brightness value respectively, wherein, each first theoretical brightness value is the described boss's pixel region theoretical brightness value when each GTG;
Second driving voltage acquiring unit, obtain the second driving voltage when making the sub-sub-pixel region of described sub-pixel show each second theoretical brightness value respectively, wherein, each second theoretical brightness value is the described sub-sub-pixel region theoretical brightness value when each GTG;
3rd theoretical brightness value acquiring unit, obtains the 3rd theoretical brightness value, and wherein, the 3rd theoretical brightness value is the described sub-pixel theoretical brightness value when predetermined GTG;
Unit is determined in combination, each second theoretical brightness value that each second driving voltage of obtaining according to each first theoretical brightness value respectively corresponding with each first driving voltage that the first driving voltage acquiring unit obtains and the second driving voltage acquiring unit is corresponding respectively and the 3rd theoretical brightness value that the 3rd theoretical brightness value acquiring unit obtains, it is determined that make sum be equal to the combination meeting predetermined condition in the first theory brightness value of described 3rd theory brightness value and the combination of the second theory brightness value;
Driving voltage acquiring unit, obtain combination and determine the first driving voltage corresponding to brightness value of the first theory in the combination that unit the is determined driving voltage as described boss's pixel region, obtain theoretical the second driving voltage corresponding to brightness value of second in the one combination driving voltage as described sub-sub-pixel region.
7. device according to claim 6, it is characterised in that: described predetermined condition is for making L1/a-L2/ b is maximum,
Wherein, L1It is the first theoretical brightness value, L2It it is the second theoretical brightness value.
8. device according to claim 6, it is characterised in that the first driving voltage acquiring unit includes:
Boss's pixel region maximum brightness value obtains subelement, obtains boss's pixel region of sub-pixel of described liquid crystal panel maximum brightness value when the maximum drive voltage of described boss's pixel region;
First theoretical brightness value determines subelement, the maximum brightness value obtaining described boss's pixel region of subelement acquisition according to boss's pixel region maximum brightness value obtains the gamma curve of described boss's pixel region, and utilizes described gamma curve to determine each the first theoretical brightness value respectively;
First driving voltage obtains subelement, obtains the first driving voltage when making described boss's pixel region show each first theoretical brightness value.
9. device according to claim 6, it is characterised in that the second driving voltage acquiring unit includes:
Sub-sub-pixel region maximum brightness value obtains subelement, obtains the sub-sub-pixel region of the described sub-pixel maximum brightness value when the maximum drive voltage in described sub-sub-pixel region;
Second theoretical brightness value determines subelement, the maximum brightness value obtaining the described sub-sub-pixel region of subelement acquisition according to sub-sub-pixel region maximum brightness value obtains the gamma curve in described sub-sub-pixel region, and utilizes described gamma curve to determine each the second theoretical brightness value respectively;
Second driving voltage obtains subelement, obtains the second driving voltage when making described sub-sub-pixel region show each second theoretical brightness value.
10. device according to claim 6, it is characterised in that the 3rd theoretical brightness value acquiring unit includes:
Sub-pixel maximum brightness value obtains subelement, obtains the described sub-pixel maximum brightness value when the driving voltage respectively respective maximum drive voltage in boss's pixel region of described sub-pixel and the sub-sub-pixel region of described sub-pixel;
3rd theoretical brightness value determines subelement, and the maximum brightness value obtaining the described sub-pixel of subelement acquisition according to sub-pixel maximum brightness value obtains the gamma curve of described sub-pixel, and utilizes described gamma curve to determine the 3rd theoretical brightness value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511028417.XA CN105632434B (en) | 2015-12-31 | 2015-12-31 | Determine the method and device of the driving voltage of the sub-pixel of liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511028417.XA CN105632434B (en) | 2015-12-31 | 2015-12-31 | Determine the method and device of the driving voltage of the sub-pixel of liquid crystal display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105632434A true CN105632434A (en) | 2016-06-01 |
| CN105632434B CN105632434B (en) | 2018-08-14 |
Family
ID=56047288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511028417.XA Active CN105632434B (en) | 2015-12-31 | 2015-12-31 | Determine the method and device of the driving voltage of the sub-pixel of liquid crystal display panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105632434B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108287440A (en) * | 2017-01-10 | 2018-07-17 | 京东方科技集团股份有限公司 | Sub-pixel unit and control method, pixel unit, array substrate, display device |
| WO2018205395A1 (en) * | 2017-05-10 | 2018-11-15 | 惠科股份有限公司 | Display panel pixel drive method and display device |
| WO2018214322A1 (en) * | 2017-05-26 | 2018-11-29 | 惠科股份有限公司 | Pixel driving method and display device |
| CN108983509A (en) * | 2018-07-25 | 2018-12-11 | 深圳市华星光电技术有限公司 | Liquid crystal display die set and liquid crystal display device |
| CN115019745A (en) * | 2022-07-07 | 2022-09-06 | Tcl华星光电技术有限公司 | Voltage determination method and voltage determination device |
| CN115019744A (en) * | 2022-07-07 | 2022-09-06 | Tcl华星光电技术有限公司 | Voltage determination method and voltage determination device |
| WO2023004895A1 (en) * | 2021-07-30 | 2023-02-02 | 深圳市华星光电半导体显示技术有限公司 | Method for determining pixel voltage, electronic device and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080100555A1 (en) * | 2006-11-01 | 2008-05-01 | Samsung Electronics Co., Ltd. | Array substrate and display panel having the same |
| CN104167194A (en) * | 2014-08-18 | 2014-11-26 | 深圳市华星光电技术有限公司 | Liquid crystal display panel gray-scale value setting method and liquid crystal display |
| CN104217703A (en) * | 2014-08-25 | 2014-12-17 | 京东方科技集团股份有限公司 | Pixel array driving method, pixel array driving module and display device |
| CN104766585A (en) * | 2015-04-29 | 2015-07-08 | 深圳市华星光电技术有限公司 | Method for setting grey scale value of pixel during imaging of LCD panel |
| CN104900205A (en) * | 2015-06-12 | 2015-09-09 | 深圳市华星光电技术有限公司 | Liquid-crystal panel and drive method therefor |
-
2015
- 2015-12-31 CN CN201511028417.XA patent/CN105632434B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080100555A1 (en) * | 2006-11-01 | 2008-05-01 | Samsung Electronics Co., Ltd. | Array substrate and display panel having the same |
| CN104167194A (en) * | 2014-08-18 | 2014-11-26 | 深圳市华星光电技术有限公司 | Liquid crystal display panel gray-scale value setting method and liquid crystal display |
| CN104217703A (en) * | 2014-08-25 | 2014-12-17 | 京东方科技集团股份有限公司 | Pixel array driving method, pixel array driving module and display device |
| CN104766585A (en) * | 2015-04-29 | 2015-07-08 | 深圳市华星光电技术有限公司 | Method for setting grey scale value of pixel during imaging of LCD panel |
| CN104900205A (en) * | 2015-06-12 | 2015-09-09 | 深圳市华星光电技术有限公司 | Liquid-crystal panel and drive method therefor |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108287440A (en) * | 2017-01-10 | 2018-07-17 | 京东方科技集团股份有限公司 | Sub-pixel unit and control method, pixel unit, array substrate, display device |
| US10665183B2 (en) | 2017-01-10 | 2020-05-26 | Boe Technology Group Co., Ltd. | Sub-pixel unit and method of controlling the same, pixel unit, array substrate, display device |
| CN108287440B (en) * | 2017-01-10 | 2021-03-16 | 京东方科技集团股份有限公司 | Sub-pixel unit, control method, pixel unit, array substrate and display device |
| WO2018205395A1 (en) * | 2017-05-10 | 2018-11-15 | 惠科股份有限公司 | Display panel pixel drive method and display device |
| WO2018214322A1 (en) * | 2017-05-26 | 2018-11-29 | 惠科股份有限公司 | Pixel driving method and display device |
| US11100874B2 (en) | 2017-05-26 | 2021-08-24 | HKC Corporation Limited | Pixel driving method and display device |
| CN108983509B (en) * | 2018-07-25 | 2021-03-23 | Tcl华星光电技术有限公司 | Liquid crystal display module and liquid crystal display device |
| CN108983509A (en) * | 2018-07-25 | 2018-12-11 | 深圳市华星光电技术有限公司 | Liquid crystal display die set and liquid crystal display device |
| WO2023004895A1 (en) * | 2021-07-30 | 2023-02-02 | 深圳市华星光电半导体显示技术有限公司 | Method for determining pixel voltage, electronic device and storage medium |
| CN115019745A (en) * | 2022-07-07 | 2022-09-06 | Tcl华星光电技术有限公司 | Voltage determination method and voltage determination device |
| CN115019744A (en) * | 2022-07-07 | 2022-09-06 | Tcl华星光电技术有限公司 | Voltage determination method and voltage determination device |
| CN115019745B (en) * | 2022-07-07 | 2023-10-31 | Tcl华星光电技术有限公司 | Voltage determination method and voltage determination device |
| CN115019744B (en) * | 2022-07-07 | 2023-11-28 | Tcl华星光电技术有限公司 | Voltage determination method and voltage determination device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105632434B (en) | 2018-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105632434A (en) | Method and device for determining driving voltage of sub-pixel of liquid crystal panel | |
| US10580366B2 (en) | Liquid crystal display device and drive method therefor | |
| US9805670B2 (en) | Driving method and driving device of liquid crystal panel | |
| US10546543B2 (en) | Liquid crystal display device and method for driving the same | |
| CN104599656B (en) | The method of GTG during the imaging of the sub-pixel of correcting liquid crystal panel | |
| RU2660628C1 (en) | Liquid crystal panel and control method for such panel | |
| CN104766585B (en) | The method of the grey decision-making of pixel during setting liquid crystal panel imaging | |
| US7728616B2 (en) | Apparatus and method for testing picture quality of liquid crystal display | |
| CN105529002A (en) | Method and device for determining luminance compensation coefficients | |
| WO2018120435A1 (en) | Liquid crystal display device and drive method therefor | |
| CN107665676B (en) | A kind of white balance adjustment method and display device of display device | |
| CN108399901A (en) | Liquid crystal display color calibration method and device and electronic equipment | |
| CN106652950B (en) | Display viewing angles aberration compensation method, device and liquid crystal display | |
| US20170193929A1 (en) | Driving method and driving device of liquid crystal panel | |
| CN104952410A (en) | LCD (liquid crystal display) panel display improving method and device | |
| WO2019119603A1 (en) | Driving method and driving apparatus for display apparatus, and display apparatus | |
| CN105404034A (en) | Liquid crystal panel, LCD, and pixel array | |
| US9659520B2 (en) | Gamma correction method based on a gamma curve obtained from single or multiple primary-color frames | |
| KR20170025110A (en) | Liquid Display Device And Method Of Driving The Same | |
| US20100259552A1 (en) | Field color sequential imaging method and related technology | |
| US9891494B2 (en) | Pixel unit and driving method thereof, driving module, display panel and display device | |
| CN109584830B (en) | Display and driving device and method of display panel of display | |
| US9589497B2 (en) | Methods of grayscale calibration of subpixels of liquid crystal panels during imaging | |
| CN106531102B (en) | Driving method, device and the liquid crystal display of liquid crystal display | |
| CN109584841B (en) | Display device and driving method of display panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |