CN109493800A - The processing method of viewing angle compensation look-up table and the driving method of display device - Google Patents
The processing method of viewing angle compensation look-up table and the driving method of display device Download PDFInfo
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- CN109493800A CN109493800A CN201811459013.XA CN201811459013A CN109493800A CN 109493800 A CN109493800 A CN 109493800A CN 201811459013 A CN201811459013 A CN 201811459013A CN 109493800 A CN109493800 A CN 109493800A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- 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
- G09G3/3648—Control of matrices with row and column drivers using an active matrix
Abstract
The present invention provides a kind of processing method of viewing angle compensation look-up table and the driving method of display device.The processing method of viewing angle compensation look-up table of the invention carries out drop bit process to original viewing angle compensation look-up table and to first in each just processing sub- grayscale group of 8bit of first processing viewing angle compensation look-up table, at least one of 2nd sub- grayscale of 8bit, which is adjusted, makes the equal viewing angle compensation look-up table for obtaining completing processing of the two, when driving, display device receives multiple target 12bit grayscale corresponding with multiple sub-pixel groups respectively, drop bit process is carried out to multiple target 12bit grayscale and generates multiple target 8bit grayscale, the sub- grayscale of multiple practical 8bit corresponding with multiple target 8bit grayscale respectively is obtained using the viewing angle compensation look-up table for completing processing and is shown using multiple sub-pixel groups that multiple practical sub- grayscale of 8bit respectively drive display device, display device can be eliminated aobvious The flashing vertical line occurred when showing pure grey menu promotes display quality.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of processing methods and display device of viewing angle compensation look-up table
Driving method.
Background technique
Flat display apparatus has many merits such as thin fuselage, power saving, radiationless, is widely used.It is existing
Flat display apparatus mainly includes liquid crystal display device (Liquid Crystal Display, LCD) and Organic Light Emitting Diode
Display device (Organic Light Emitting Display, OLED).
Liquid crystal display on existing market is largely backlight liquid crystal display comprising liquid crystal display panel and back
Optical mode group (backlight module).The working principle of liquid crystal display panel is in thin-film transistor array base-plate (Thin
Film Transistor Array Substrate, TFT Array Substrate) and colored filter (Color
Filter, CF) liquid crystal molecule is poured between substrate, and apply pixel voltage and common voltage respectively on two plate bases, pass through
The direction of rotation of the electric field controls liquid crystal molecule formed between pixel voltage and common voltage transmits the light of backlight module
Picture is generated out.
To improve data processing precision, sequence controller (TCON) internal module mostly does data processing with 12bit, has handled
Data transmitted downwards with 12bit, but display panel receives the source electrode drivers (source driver) of data and more at present only fits
Therefore data with 8bit in order to realize the transmission and utilization of data, can pass through shake (dither) mould in the prior art
Block carries out drop bit processing to the data of 12bit and is transmitted to source electrode driver after being converted to the data of 8bit, can make in this way
The panel of 8bit namely panel with 256 grades of brightness show the display effect of similar 12bit namely 4096 grade of brightness.
In the prior art, it is the side view visual angle for promoting display device, is additionally provided with viewing angle compensation module inside sequence controller
(VAC), the data processing of the viewing angle compensation module and look-up table are 12bit form, utilize the practical ash of bright dark two 12bit
The equivalent target gray scale for forming a 8bit of rank, the display device of such framework is in visual acuity low ash rank, such as 256 grayscale are wherein
10~30 grayscale under, when whole frame shows pure grayscale, panel will appear the vertical line of flashing.
Summary of the invention
The purpose of the present invention is to provide a kind of processing methods of viewing angle compensation look-up table, when being applied to display device driving
The flashing vertical line that display device occurs when showing pure grey menu can be eliminated, display quality is promoted.
Another object of the present invention is to provide a kind of driving methods of display device, can eliminate display device and show
The flashing vertical line occurred when pure grey menu promotes display quality.
To achieve the above object, present invention firstly provides a kind of processing methods of viewing angle compensation look-up table, including walk as follows
It is rapid:
Step S1, original viewing angle compensation look-up table is provided；The original viewing angle compensation look-up table include respectively with it is multiple pre-
If the corresponding multiple sub- grayscale groups of 12bit of standard 8bit grayscale, every sub- grayscale group of a 12bit include one the oneth 12bit
Grayscale and one the 2nd sub- grayscale of 12bit, wherein n is positive integer；
Step S2, drop bit process is carried out to the original viewing angle compensation look-up table to obtain just handling viewing angle compensation lookup
Table；The just processing viewing angle compensation look-up table includes multiple just processing 8bit ashes corresponding with multiple standard 8bit grayscale respectively
Rank group, each just processing sub- grayscale group of 8bit includes the sub- grayscale of one the oneth 8bit and one the 2nd sub- grayscale of 8bit；
Step S3, to the first 8bit ash in each just processing sub- grayscale group of 8bit of first processing viewing angle compensation look-up table
Rank and/or the 2nd sub- grayscale of 8bit, which are adjusted, keeps the two equal, obtains the viewing angle compensation look-up table for completing processing, the completion
The viewing angle compensation look-up table of processing includes that multiple completions corresponding with multiple standard 8bit grayscale respectively handle the sub- grayscale group of 8bit,
Each completion processing sub- grayscale group of 8bit includes two equal sub- grayscale of practical 8bit.
In the original viewing angle compensation look-up table, the quantity of the sub- grayscale group of 12bit corresponding with same standard 8bit grayscale
It is 3, the respectively sub- grayscale group of red 12bit, the sub- grayscale group of green 12bit and the sub- grayscale group of blue 12bit.
The quantity of the multiple standard 8bit grayscale is 256, and multiple standard 8bit grayscale are sequentially increased, multiple standards
The smallest standard 8bit grayscale is 0 in 8bit grayscale, and maximum standard 8bit grayscale is 255, two adjacent marks of any number
The difference of quasi- 8bit grayscale is 1.
In the step S3, by first in each just processing sub- grayscale group of 8bit of first processing viewing angle compensation look-up table
The sub- grayscale of 8bit is adjusted to equal with the 2nd sub- grayscale of 8bit in the first processing sub- grayscale group of 8bit.
In the step S3, by second in each just processing sub- grayscale group of 8bit of first processing viewing angle compensation look-up table
The sub- grayscale of 8bit is adjusted to equal with the first sub- grayscale of 8bit in the first processing sub- grayscale group of 8bit.
The present invention also provides a kind of driving methods of display device, include the following steps:
Step S10, display device is provided；The display device includes multiple sub-pixel groups of array arrangement；
Step S20, the viewing angle compensation lookup for completing processing is obtained using the processing method of above-mentioned viewing angle compensation look-up table
Table；
Step S30, display device receives multiple target 12bit grayscale corresponding with multiple sub-pixel groups respectively, to multiple
Target 12bit grayscale carries out drop bit process and generates multiple target 8bit grayscale corresponding with multiple sub-pixel groups respectively；
Step S40, using it is described complete processing viewing angle compensation look-up table obtain respectively with multiple target 8bit grayscale pair
The multiple practical sub- grayscale of 8bit answered；
Step S50, it is shown using multiple sub-pixel groups that multiple practical sub- grayscale of 8bit respectively drive display device.
Each sub-pixel group includes multiple sub-pixels in m row m column arrangement, wherein the positive integer times that m is 4；
The step S50 specifically: the number after the decimal point of multiple display 8bit grayscale is determined；When a reality
When number after the decimal point of the sub- grayscale of 8bit is 0, so that all sub-pixels in corresponding sub-pixel group show the reality
The sub- grayscale of 8bit simultaneously maintains p frame preset duration, wherein the positive integer times that p is 4；After the decimal point of a practical sub- grayscale of 8bit
Number be 25 when, then in each frame preset duration of p frame preset duration, every a line and each column in corresponding sub-pixel group
In there is m/4 sub-pixel to show that the value after the sub- grayscale of the practical 8bit is rounded adds 1 value and remaining sub-pixel shows the reality
Value after the sub- grayscale rounding of 8bit, and in p frame preset duration, after each sub-pixel shows that the practical sub- grayscale of 8bit is rounded
Value adds the duration of 1 value to be p/4 frame preset duration；When number after the decimal point of a practical sub- grayscale of 8bit is 5, then exist
In each frame preset duration of p frame preset duration, there is m/2 sub-pixel aobvious in every a line and each column in corresponding sub-pixel group
After showing that the value after the sub- grayscale of the practical 8bit is rounded adds 1 value and remaining sub-pixel shows the practical sub- grayscale rounding of 8bit
Value, and in p frame preset duration, each sub-pixel shows that the value after the practical sub- grayscale rounding of 8bit adds the duration of 1 value equal
For p/2 frame preset duration；When number after the decimal point of a practical sub- grayscale of 8bit is 75, then in the every of p frame preset duration
In one frame preset duration, there is m/4 sub-pixel to show practical 8bit in every a line and each column in corresponding sub-pixel group
Value and remaining sub-pixel after grayscale rounding show the value that the value after the practical sub- grayscale rounding of 8bit adds 1, and default in p frame
In duration, each sub-pixel shows that the duration of the value after the practical sub- grayscale rounding of 8bit is p/4 frame preset duration.
M is 4 or 8.
P is 4.
The display device is liquid crystal display device or light emitting display device.
Beneficial effects of the present invention: the processing method of viewing angle compensation look-up table of the invention is to original viewing angle compensation look-up table
Carry out drop bit process and to first, second in each just processing sub- grayscale group of 8bit of first processing viewing angle compensation look-up table
At least one of sub- grayscale of 8bit, which is adjusted, both makes the equal viewing angle compensation look-up table for obtaining completing processing, when driving,
Display device receives multiple target 12bit grayscale corresponding with multiple sub-pixel groups respectively, carries out to multiple target 12bit grayscale
Drop bit process and generate multiple target 8bit grayscale, using the viewing angle compensation look-up table for completing processing obtain respectively with multiple targets
The sub- grayscale of the corresponding multiple practical 8bit of 8bit grayscale simultaneously respectively drives the more of display device using multiple practical sub- grayscale of 8bit
A sub-pixel group is shown, the flashing vertical line that display device occurs when showing pure grey menu can be eliminated, and promotes display
Quality.It is perpendicular that the driving method of display device of the invention can eliminate the flashing that display device occurs when showing pure grey menu
Line promotes display quality.
Detailed description of the invention
For further understanding of the features and technical contents of the present invention, it please refers to below in connection with of the invention detailed
Illustrate and attached drawing, however, the drawings only provide reference and explanation, is not intended to limit the present invention.
In attached drawing,
Fig. 1 is the flow chart of the processing method of viewing angle compensation look-up table of the invention；
Fig. 2 is the flow chart of the driving method of display device of the invention；
Fig. 3 is in the step S50 of an embodiment of the driving method of display device of the invention when a practical 8bit ash
Number after the decimal point of the rank display schematic diagram of corresponding sub-pixel group in four frame preset durations when being 0；
Fig. 4 is in the step S50 of an embodiment of the driving method of display device of the invention when a practical 8bit ash
Number after the decimal point of the rank display schematic diagram of corresponding sub-pixel group in four frame preset durations when being 25；
Fig. 5 is in the step S50 of an embodiment of the driving method of display device of the invention when a practical 8bit ash
Number after the decimal point of the rank display schematic diagram of corresponding sub-pixel group in four frame preset durations when being 5；
Fig. 6 is in the step S50 of an embodiment of the driving method of display device of the invention when a practical 8bit ash
Number after the decimal point of the rank display schematic diagram of corresponding sub-pixel group in four frame preset durations when being 75.
Specific embodiment
Further to illustrate technological means and its effect adopted by the present invention, below in conjunction with preferred implementation of the invention
Example and its attached drawing are described in detail.
Referring to Fig. 1, the present invention provides a kind of processing method of viewing angle compensation look-up table, include the following steps:
Step S1, original viewing angle compensation look-up table is provided.The original viewing angle compensation look-up table include respectively with it is multiple pre-
If the corresponding multiple sub- grayscale groups of 12bit of standard 8bit grayscale, every sub- grayscale group of a 12bit include one the oneth 12bit
Grayscale and one the 2nd sub- grayscale of 12bit, wherein n is positive integer.
Specifically, in the original viewing angle compensation look-up table, the sub- grayscale group of 12bit corresponding with same standard 8bit grayscale
Quantity be 3, the respectively sub- grayscale group of red 12bit, the sub- grayscale group of green 12bit and the sub- grayscale group of blue 12bit.It is red
The sub- grayscale of the first 12bit and the 2nd sub- grayscale of 12bit in the sub- grayscale group of 12bit be respectively the first sub- grayscale of red 12bit and
The second sub- grayscale of red 12bit, the sub- grayscale difference of the sub- grayscale of the first 12bit and the 2nd 12bit in the green sub- grayscale group of 12bit
The first 12bit ash for the first sub- grayscale of green 12bit and the second sub- grayscale of green 12bit, in the blue sub- grayscale group of 12bit
Rank and the 2nd sub- grayscale of 12bit are respectively the first sub- grayscale of blue 12bit and the second sub- grayscale of blue 12bit.
Specifically, the quantity of the multiple standard 8bit grayscale is 256, and multiple standard 8bit grayscale are sequentially increased, more
The smallest standard 8bit grayscale is 0 in a standard 8bit grayscale, and maximum standard 8bit grayscale is 255, and any number is adjacent
The difference of two standard 8bit grayscale is 1.
Specifically, the original viewing angle compensation look-up table can be original viewing angle compensation look-up table shown in table 1:
Table 1, original viewing angle compensation look-up table
Step S2, drop bit process is carried out to the original viewing angle compensation look-up table to obtain just handling viewing angle compensation lookup
Table.The just processing viewing angle compensation look-up table includes multiple just processing 8bit ashes corresponding with multiple standard 8bit grayscale respectively
Rank group, each just processing sub- grayscale group of 8bit includes the sub- grayscale of one the oneth 8bit and one the 2nd sub- grayscale of 8bit.
Specifically, corresponding with same standard 8bit grayscale in the first processing viewing angle compensation look-up table that the step S2 is obtained
The quantity of the sub- grayscale group of first processing 8bit be also 3, the sub- grayscale group of respectively red just processing 8bit, green just handle 8bit
Sub- grayscale group and blue just handle the sub- grayscale group of 8bit.The sub- grayscale of the first 8bit in the red just processing sub- grayscale group of 8bit and the
The sub- grayscale of two 8bit is respectively the first sub- grayscale of red 8bit and the second sub- grayscale of red 8bit, and green just handles the sub- grayscale of 8bit
The sub- grayscale of the first 8bit and the 2nd sub- grayscale of 8bit in group are respectively the first sub- grayscale of green 8bit and the second green 8bit
Grayscale, the first sub- grayscale of the first 8bit handled in the sub- grayscale group of 8bit of blue and the 2nd sub- grayscale of 8bit are respectively the first blue
The sub- grayscale of 8bit and the second sub- grayscale of blue 8bit.
Specifically, the initial viewing angle compensation look-up table can handle viewing angle compensation look-up table to be first shown in table 2:
Table 2, just processing viewing angle compensation look-up table
Step S3, to the first 8bit ash in each just processing sub- grayscale group of 8bit of first processing viewing angle compensation look-up table
Rank and/or the 2nd sub- grayscale of 8bit, which are adjusted, keeps the two equal, obtains the viewing angle compensation look-up table for completing processing, the completion
The viewing angle compensation look-up table of processing includes that multiple completions corresponding with multiple standard 8bit grayscale respectively handle the sub- grayscale group of 8bit,
Each completion processing sub- grayscale group of 8bit includes two equal sub- grayscale of practical 8bit.
Optionally, in the step S3, first each of processing viewing angle compensation look-up table can just be handled into the sub- grayscale of 8bit
The first sub- grayscale of 8bit in group is adjusted to equal with the 2nd sub- grayscale of 8bit in the first processing sub- grayscale group of 8bit, can also be with
The 2nd sub- grayscale of 8bit in each just processing sub- grayscale group of 8bit of first processing viewing angle compensation look-up table is adjusted to first with this
The first sub- grayscale of 8bit handled in the sub- grayscale group of 8bit is equal.
Specifically, in the viewing angle compensation look-up table for the completion processing that the step S3 is obtained, with same standard 8bit grayscale
The corresponding quantity for completing the processing sub- grayscale group of 8bit is also 3, respectively red to complete the sub- grayscale group of 8bit, at green completion
It manages the sub- grayscale group of 8bit and blue completes the processing sub- grayscale group of 8bit.Two in the red completion processing sub- grayscale group of 8bit are equal
The sub- grayscale of practical 8bit be respectively the first practical sub- grayscale of red 8bit and the second sub- grayscale of practical red 8bit, green completion
Two equal sub- grayscale of practical 8bit in the processing sub- grayscale group of 8bit are respectively the first practical sub- grayscale of green 8bit and the
The two sub- grayscale of practical green 8bit, blue complete the sub- grayscale difference of two equal practical 8bit in the processing sub- grayscale group of 8bit
For the sub- grayscale of the first actual blue 8bit and the second sub- grayscale of actual blue 8bit.
Specifically, the initial viewing angle compensation look-up table can handle viewing angle compensation look-up table to be first shown in table 2:
Table 3, just processing viewing angle compensation look-up table
It should be noted that in the processing method of viewing angle compensation look-up table of the invention, to original viewing angle compensation look-up table
Carry out drop bit process and to first, second in each just processing sub- grayscale group of 8bit of first processing viewing angle compensation look-up table
At least one of sub- grayscale of 8bit, which is adjusted, makes the equal viewing angle compensation look-up table for obtaining completing processing of the two, to please tie
Fig. 3 is closed to embodiment shown in fig. 6, when the viewing angle compensation look-up table handled using the completion drives display device,
Display device has multiple sub-pixel groups 10, and each sub-pixel group 10 has 16 sub-pixels 11, Mei Yizi in 4 × 4 arrangements
The sub-pixel 11 for being located at odd-numbered line odd column and even number line even column in pixel group 10 is high gray sub-pixel, and it is even to be located at odd-numbered line
The pixel 11 of ordered series of numbers and even number line odd column is low ash rank sub-pixel, and display device receives corresponding with multiple sub-pixel groups 10 respectively
Multiple target 12bit grayscale, to multiple target 12bit grayscale carry out drop bit process generate respectively with multiple sub-pixel groups 10
Corresponding multiple target 8bit grayscale, using it is described complete processing viewing angle compensation look-up table obtain respectively with multiple target 8bit
The corresponding multiple practical sub- grayscale of 8bit of grayscale, then respectively drive the multiple of display device using multiple practical sub- grayscale of 8bit
Sub-pixel group 10 is shown, is specially determined the number after the decimal point of multiple display 8bit grayscale, is please referred to figure
3, when the number after the decimal point of a practical sub- grayscale of 8bit is 0, so that all sub-pixels in corresponding sub-pixel group 10
11 show the sub- grayscale of the practical 8bit and maintain 4 frame preset durations, referring to Fig. 4, when the decimal of a practical sub- grayscale of 8bit
Point after number be 25 when, then in each frame preset duration of 4 frame preset durations, in corresponding sub-pixel group 10 every a line and
Value after having 1 sub-pixel 11 to show the practical sub- grayscale rounding of 8bit in each column adds 1 value and remaining sub-pixel 11 is aobvious
Show the value after the practical sub- grayscale of 8bit is rounded, and in 4 frame preset durations, each sub-pixel 11 shows the practical 8bit ash
Value after rank rounding adds the duration of 1 value to be 1 frame preset duration, referring to Fig. 5, when the decimal point of a practical sub- grayscale of 8bit
When number afterwards is 5, then in each frame preset duration of 4 frame preset durations, every a line and every in corresponding sub-pixel group 10
Value after having 2 sub-pixels 11 to show the practical sub- grayscale rounding of 8bit in one column adds 1 value and remaining sub-pixel 11 is shown
Value after the practical sub- grayscale rounding of 8bit, and in 4 frame preset durations, each sub-pixel 11 shows the practical sub- grayscale of 8bit
Value after rounding adds the duration of 1 value to be 2 frame preset durations, referring to Fig. 6, after the decimal point of a practical sub- grayscale of 8bit
Number when being 75, then in each frame preset duration of 4 frame preset durations, every a line and each in corresponding sub-pixel group 10
Value and remaining sub-pixel 11 after having 1 sub-pixel 11 to show the practical sub- grayscale rounding of 8bit in column show the practical 8bit
Value after sub- grayscale rounding adds 1 value, and in 4 frame preset durations, each sub-pixel 11 shows that the practical sub- grayscale of 8bit takes
The duration of value after whole is 1 frame preset duration, due in each sub-pixel group 10, whether high gray sub-pixel or low ash
Rank sub-pixel, the grayscale of display are algorithms corresponding to digit after decimal point according to the same practical sub- grayscale of 8bit
It is converted, therefore the flashing vertical line that display device occurs when showing pure grey menu can be eliminated, promote display
Quality.
Referring to Fig. 2, based on the same inventive concept, the present invention also provides a kind of driving methods of display device, including such as
Lower step:
Step S10, display device is provided.The display device includes multiple sub-pixel groups 10 of array arrangement.
Specifically, each sub-pixel group 10 include in m row m column arrangement multiple sub-pixels 11, wherein m be 4 it is just whole
Several times.The sub-pixel 11 for being located at odd-numbered line odd column and even number line even column in each sub-pixel group 10 is high gray sub-pixel,
It is low ash rank sub-pixel positioned at the pixel 11 of odd-numbered line even column and even number line odd column.
Specifically, the display device can be the common planes such as liquid crystal display device or light emitting display device
Display device.
Step S20, the viewing angle compensation lookup for completing processing is obtained using the processing method of above-mentioned viewing angle compensation look-up table
Table.No longer the specific steps for the viewing angle compensation look-up table for obtaining completion processing are repeated herein.
Step S30, display device receives multiple target 12bit grayscale corresponding with multiple sub-pixel groups 10 respectively, to more
A target 12bit grayscale carries out drop bit process and generates multiple target 8bit grayscale corresponding with multiple sub-pixel groups 10 respectively.
Step S40, using it is described complete processing viewing angle compensation look-up table obtain respectively with multiple target 8bit grayscale pair
The multiple practical sub- grayscale of 8bit answered.
Step S50, it is shown using multiple sub-pixel groups 10 that multiple practical sub- grayscale of 8bit respectively drive display device
Show.
Specifically, the step S50 specifically: the number after the decimal point of multiple display 8bit grayscale is determined.
When number after the decimal point of a practical sub- grayscale of 8bit is 0, so that all sub-pixels 11 in corresponding sub-pixel group 10
It shows the sub- grayscale of the practical 8bit and maintains p frame preset duration, wherein the positive integer times that p is 4；When a practical 8bit ash
When number after the decimal point of rank is 25, then in each frame preset duration of p frame preset duration, in corresponding sub-pixel group 10
Value after thering is m/4 sub-pixel 11 to show the sub- grayscale rounding of the practical 8bit in every a line and each column add 1 value and remaining
Sub-pixel 11 shows the value after the practical sub- grayscale rounding of 8bit, and in p frame preset duration, each sub-pixel 11 shows the reality
Value after the sub- grayscale rounding of border 8bit adds the duration of 1 value to be p/4 frame preset duration；When the decimal of a practical sub- grayscale of 8bit
Point after number be 5 when, then in each frame preset duration of p frame preset duration, in corresponding sub-pixel group 10 every a line and
Value after having m/2 sub-pixel 11 to show the practical sub- grayscale rounding of 8bit in each column adds 1 value and remaining sub-pixel 11
Show the value after the practical sub- grayscale of 8bit is rounded, and in p frame preset duration, each sub-pixel 11 shows practical 8bit
Value after grayscale rounding adds the duration of 1 value to be p/2 frame preset duration；The number after decimal point of a practical sub- grayscale of 8bit
When word is 75, then in each frame preset duration of p frame preset duration, in corresponding sub-pixel group 10 in every a line and each column
Value and remaining sub-pixel 11 after having m/4 sub-pixel 11 to show the practical sub- grayscale rounding of 8bit show practical 8bit
Value after grayscale rounding adds 1 value, and in p frame preset duration, and each sub-pixel 11 shows that the practical sub- grayscale of 8bit is rounded
The duration of value afterwards is p/4 frame preset duration.
Further, in Fig. 3 into embodiment shown in fig. 6, p 4, and m is also 4, thus referring to Fig. 3, the implementation
In example, when the number after the decimal point of a practical sub- grayscale of 8bit is 0, so that all sub- pictures in corresponding sub-pixel group 10
Element 11 shows the sub- grayscale of the practical 8bit and maintains 4 frame preset durations, referring to Fig. 4, ought a practical sub- grayscale of 8bit it is small
When number after several points is 25, then in each frame preset duration of 4 frame preset durations, every a line in corresponding sub-pixel group 10
And the value after having 1 sub-pixel 11 to show the practical sub- grayscale rounding of 8bit in each column adds 1 value and remaining sub-pixel 11
Show the value after the practical sub- grayscale of 8bit is rounded, and in 4 frame preset durations, each sub-pixel 11 shows practical 8bit
Value after grayscale rounding adds the duration of 1 value to be 1 frame preset duration, referring to Fig. 5, when the decimal of a practical sub- grayscale of 8bit
Point after number be 5 when, then in each frame preset duration of 4 frame preset durations, in corresponding sub-pixel group 10 every a line and
Value after having 2 sub-pixels 11 to show the practical sub- grayscale rounding of 8bit in each column adds 1 value and remaining sub-pixel 11 is aobvious
Show the value after the practical sub- grayscale of 8bit is rounded, and in 4 frame preset durations, each sub-pixel 11 shows the practical 8bit ash
Value after rank rounding adds the duration of 1 value to be 2 frame preset durations, referring to Fig. 6, when the decimal point of a practical sub- grayscale of 8bit
When number afterwards is 75, then in each frame preset duration of 4 frame preset durations, every a line and every in corresponding sub-pixel group 10
Value and remaining sub-pixel 11 after having 1 sub-pixel 11 to show the practical sub- grayscale rounding of 8bit in one column show the reality
Value after the sub- grayscale rounding of 8bit adds 1 value, and in 4 frame preset durations, and each sub-pixel 11 shows practical 8bit ash
The duration of value after rank rounding is 1 frame preset duration.
It should be noted that in the driving method of display device of the invention, due in each sub-pixel group 10, whether
High gray sub-pixel or low ash rank sub-pixel, the grayscale of display are the decimal points according to the same practical sub- grayscale of 8bit
What algorithm corresponding to digit afterwards was converted, therefore display device appearance when showing pure grey menu can be eliminated
Flashing vertical line, promoted display quality.
In conclusion the processing method of viewing angle compensation look-up table of the invention carries out drop ratio to original viewing angle compensation look-up table
Spy handles and to the sub- grayscale of the first, second 8bit in each just processing sub- grayscale group of 8bit of first processing viewing angle compensation look-up table
At least one of be adjusted and both make the equal viewing angle compensation look-up table for obtaining completing processing, when driving, display device is connect
Multiple target 12bit grayscale are carried out drop bit process by contracture multiple target 12bit grayscale not corresponding with multiple sub-pixel groups
Generate multiple target 8bit grayscale, using complete processing viewing angle compensation look-up table obtain respectively with multiple target 8bit grayscale pair
The sub- grayscale of multiple practical 8bit answered and multiple sub-pixel groups that display device is respectively driven using multiple practical sub- grayscale of 8bit
It is shown, the flashing vertical line that display device occurs when showing pure grey menu can be eliminated, promote display quality.The present invention
The driving method of display device can eliminate the flashing vertical line that display device occurs when showing pure grey menu, promote display
Quality.
The above for those of ordinary skill in the art can according to the technique and scheme of the present invention and technology
Other various corresponding changes and modifications are made in design, and all these change and modification all should belong to the claims in the present invention
Protection scope.
Claims (10)
1. a kind of processing method of viewing angle compensation look-up table, which comprises the steps of:
Step S1, original viewing angle compensation look-up table is provided；The original viewing angle compensation look-up table include respectively with it is multiple preset
The corresponding multiple sub- grayscale groups of 12bit of standard 8bit grayscale, every sub- grayscale group of a 12bit includes one the oneth sub- grayscale of 12bit
And one the 2nd sub- grayscale of 12bit, wherein n is positive integer；
Step S2, drop bit process is carried out to the original viewing angle compensation look-up table to obtain just handling viewing angle compensation look-up table；Institute
It states just processing viewing angle compensation look-up table and includes multiple just processing sub- grayscale groups of 8bit corresponding with multiple standard 8bit grayscale respectively,
Each just processing sub- grayscale group of 8bit includes the sub- grayscale of one the oneth 8bit and one the 2nd sub- grayscale of 8bit；
Step S3, to the first sub- grayscale of 8bit in each just processing sub- grayscale group of 8bit of first processing viewing angle compensation look-up table
And/or the 2nd the sub- grayscale of 8bit be adjusted and both make equal, the viewing angle compensation look-up table for completing processing is obtained, at the completion
The viewing angle compensation look-up table of reason includes that multiple completions corresponding with multiple standard 8bit grayscale respectively handle the sub- grayscale group of 8bit, often
One completes to handle the sub- grayscale group of 8bit to include two equal sub- grayscale of practical 8bit.
2. the processing method of viewing angle compensation look-up table as described in claim 1, which is characterized in that the original viewing angle compensation is looked into
It looks in table, the quantity of the sub- grayscale group of 12bit corresponding with same standard 8bit grayscale is 3, the respectively sub- grayscale of red 12bit
Group, the sub- grayscale group of green 12bit and the sub- grayscale group of blue 12bit.
3. the processing method of viewing angle compensation look-up table as described in claim 1, which is characterized in that the multiple standard 8bit ash
The quantity of rank is 256, and multiple standard 8bit grayscale are sequentially increased, the smallest standard 8bit grayscale in multiple standard 8bit grayscale
It is 0, maximum standard 8bit grayscale is 255, and the difference of two adjacent standard 8bit grayscale of any number is 1.
4. the processing method of viewing angle compensation look-up table as described in claim 1, which is characterized in that, will be first in the step S3
Processing viewing angle compensation look-up table it is each just processing the sub- grayscale group of 8bit in the first sub- grayscale of 8bit adjust to the first processing
The 2nd sub- grayscale of 8bit in the sub- grayscale group of 8bit is equal.
5. the processing method of viewing angle compensation look-up table as described in claim 1, which is characterized in that, will be first in the step S3
Processing viewing angle compensation look-up table it is each just processing the sub- grayscale group of 8bit in the 2nd sub- grayscale of 8bit adjust to the first processing
The first sub- grayscale of 8bit in the sub- grayscale group of 8bit is equal.
6. a kind of driving method of display device, which comprises the steps of:
Step S10, display device is provided；The display device includes multiple sub-pixel groups of array arrangement；
Step S20, completion processing is obtained using the processing method of viewing angle compensation look-up table as described in any one in claim 1-5
Viewing angle compensation look-up table；
Step S30, display device receives multiple target 12bit grayscale corresponding with multiple sub-pixel groups respectively, to multiple targets
12bit grayscale carries out drop bit process and generates multiple target 8bit grayscale corresponding with multiple sub-pixel groups respectively；
Step S40, it is obtained using the viewing angle compensation look-up table for completing processing corresponding with multiple target 8bit grayscale respectively
Multiple sub- grayscale of practical 8bit；
Step S50, it is shown using multiple sub-pixel groups that multiple practical sub- grayscale of 8bit respectively drive display device.
7. the driving method of display device as claimed in claim 6, which is characterized in that each sub-pixel group includes in m row m
Arrange multiple sub-pixels of arrangement, wherein the positive integer times that m is 4；
The step S50 specifically: the number after the decimal point of multiple display 8bit grayscale is determined；As a practical 8bit
When number after the decimal point of sub- grayscale is 0, so that all sub-pixels in corresponding sub-pixel group show the practical 8bit
Sub- grayscale simultaneously maintains p frame preset duration, wherein the positive integer times that p is 4；The number after decimal point of a practical sub- grayscale of 8bit
When word is 25, then in each frame preset duration of p frame preset duration, have in every a line and each column in corresponding sub-pixel group
M/4 sub-pixel shows that the value after the practical sub- grayscale rounding of 8bit adds 1 value and remaining sub-pixel shows the practical 8bit
Value after sub- grayscale rounding, and in p frame preset duration, each sub-pixel shows that the value after the practical sub- grayscale rounding of 8bit adds
The duration of 1 value is p/4 frame preset duration；When number after the decimal point of a practical sub- grayscale of 8bit is 5, then in p frame
In each frame preset duration of preset duration, there is m/2 sub-pixel to show in every a line and each column in corresponding sub-pixel group
Value after the sub- grayscale of the practical 8bit is rounded adds 1 value and after remaining sub-pixel shows the practical sub- grayscale rounding of 8bit
Value, and in p frame preset duration, each sub-pixel shows that the value after the practical sub- grayscale rounding of 8bit adds the duration of 1 value equal
For p/2 frame preset duration；When number after the decimal point of a practical sub- grayscale of 8bit is 75, then in the every of p frame preset duration
In one frame preset duration, there is m/4 sub-pixel to show practical 8bit in every a line and each column in corresponding sub-pixel group
Value and remaining sub-pixel after grayscale rounding show the value that the value after the practical sub- grayscale rounding of 8bit adds 1, and default in p frame
In duration, each sub-pixel shows that the duration of the value after the practical sub- grayscale rounding of 8bit is p/4 frame preset duration.
8. the driving method of display device as claimed in claim 7, which is characterized in that m is 4 or 8.
9. the driving method of display device as claimed in claim 7, which is characterized in that p 4.
10. the driving method of display device as claimed in claim 6, which is characterized in that the display device is liquid crystal display
Device or light emitting display device.
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| CN201811459013.XA CN109493800B (en) | 2018-11-30 | 2018-11-30 | Processing method of visual angle compensation lookup table and driving method of display device |
| PCT/CN2019/070314 WO2020107648A1 (en) | 2018-11-30 | 2019-01-03 | Processing method for viewing angle compensation lookup table and drive method for display apparatus |
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| CN201811459013.XA CN109493800B (en) | 2018-11-30 | 2018-11-30 | Processing method of visual angle compensation lookup table and driving method of display device |
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