CN108962179A - The luminance regulating method and component of display panel, display device - Google Patents
The luminance regulating method and component of display panel, display device Download PDFInfo
- Publication number
- CN108962179A CN108962179A CN201811092968.6A CN201811092968A CN108962179A CN 108962179 A CN108962179 A CN 108962179A CN 201811092968 A CN201811092968 A CN 201811092968A CN 108962179 A CN108962179 A CN 108962179A
- Authority
- CN
- China
- Prior art keywords
- region
- display panel
- grayscale
- value
- target
- 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
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
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)
Abstract
The present invention discloses the luminance regulating method and component, display device of a kind of display panel, belongs to field of display technology.This method comprises: obtaining theoretical brightness value of each region under highest grayscale for each region in M region of display panel;According to the theoretical brightness value in each region, the corresponding relationship of inquiry theory brightness value and intrinsic brilliance value obtains the intrinsic brilliance value in each region;According to highest brightness value, determine that display panel ties up the target brightness value under a grayscale in target, highest brightness value is the minimum value in the intrinsic brilliance value in M region;In the case where target ties up a grayscale, the brightness in each region is adjusted, is in the intrinsic brilliance value in each region in subject brightness range, display panel is tied up the target brightness value under a grayscale in target and is in subject brightness range.The present invention solves the problems, such as that the effect of the uniformity of the brightness of adjustment display panel is poor, improves the uniformity of the brightness of display panel.
Description
Technical field
The present invention relates to field of display technology, in particular to the luminance regulating method and component, display of a kind of display panel
Device.
Background technique
With the development of display technology, large-sized display panel using more and more extensive.Currently, large-sized display
Panel is mainly liquid crystal display panel.For example, 8K liquid crystal display panel (namely the pixel quantity being horizontally oriented is the liquid of 8K
LCD panel, 1K=1024) it is exactly a kind of large-sized display panel, resolution ratio 7680*4320 is 4K liquid crystal display
4 times of the resolution ratio of panel (namely the pixel quantity being horizontally oriented is the liquid crystal display panel of 4K), 8K LCD display
Plate realizes display function using 10bit (Chinese: position) panel driving technology, in terms of colour gamut, color depth, grayscale and picture
All there is biggish promotion, be widely used in the large scales such as television set in recent years and show in product.
It is limited by liquid crystal quality, the precision of production equipment, manufacture craft and uniformity of backlight illumination etc., large scale
Liquid crystal display panel usually all there are problems that show Mura (that is to say brightness irregularities).In the related technology, mainly pass through
The uniformity of backlight illumination is adjusted to adjust the brightness of liquid crystal display panel, makes the brightness uniformity of liquid crystal display panel.
But the uniformity for adjusting backlight illumination not can solve the display due to caused by liquid crystal display panel itself
The problem of Mura, therefore the effect of the uniformity of the brightness of above-mentioned adjustment liquid crystal display panel is poor.
Summary of the invention
The present invention provides the luminance regulating method and component, display device of a kind of display panel, and display panel can be improved
Brightness uniformity.Technical scheme is as follows:
In a first aspect, providing a kind of luminance regulating method of display panel, which comprises
For each region in M region of the display panel, each region is obtained under highest grayscale
Theoretical brightness value, the M are the integer more than or equal to 2;
According to the theoretical brightness value in each region, the corresponding relationship of inquiry theory brightness value and intrinsic brilliance value is obtained
To the intrinsic brilliance value in each region;
According to highest brightness value, determine that the display panel ties up the target brightness value under a grayscale, the highest in target
Brightness value is the minimum value in the intrinsic brilliance value in the M region, and the target ties up P that a grayscale is the display panel
Tie up in a grayscale it is any tie up a grayscale, the P is the integer more than or equal to 1;
In the case where the target ties up a grayscale, the brightness in each region in the M region is adjusted, is made described every
The intrinsic brilliance value in a region is in subject brightness range, and it is bright that the display panel in the target ties up the target under a grayscale
Angle value is in the subject brightness range.
Optionally, in the case where the target ties up a grayscale, it is adjusted to the brightness in each region in the M region
Afterwards, the method also includes:
For every two adjacent area in the M region, the every two adjacent area is determined using interpolation method three times
Juncture area in each sub-pixel target brightness value;
In the case where the target ties up a grayscale, according to the target brightness value of each sub-pixel, to each sub-pixel
Brightness be adjusted, make each sub-pixel intrinsic brilliance value be equal to each sub-pixel target brightness value.
Optionally, in the theoretical brightness value according to each region, pair of inquiry theory brightness value and intrinsic brilliance value
Before should being related to, the method also includes:
Test zone is chosen on said display panel;
N number of intrinsic brilliance value of the test zone under N number of different grayscale is obtained, the N is the integer greater than 1;
Obtain N number of theoretical brightness value of the test zone under N number of different grayscale;
According to N number of intrinsic brilliance value of the test zone and N number of theoretical brightness value, generative theory brightness value and reality are bright
The corresponding relationship of angle value.
Optionally, before obtaining theoretical brightness value of each region under highest grayscale, the method also includes:
The display panel is divided into M region;
The display panel is lighted with highest grayscale;
It is wherein, described that the display panel is divided into M region, comprising:
The display panel is averagely divided into M region;Alternatively,
The display panel is divided into M region, make the M region include in first area and second area extremely
Few one kind, the first area include display blackening and do not include display speck, and the second area includes display speck and not
Including showing blackening.
Optionally, described according to highest brightness value, determine that the display panel ties up the object brightness under a grayscale in target
Value, comprising: according to the highest brightness value, determine that the display panel is tied up under a grayscale in target by target gamma curve
Target brightness value.
Second aspect, provides a kind of brightness adjustment component of display panel, and the component includes:
First obtains module, for each region in the M region for the display panel, obtains each area
Theoretical brightness value of the domain under highest grayscale, the M are the integer more than or equal to 2;
Enquiry module, for the theoretical brightness value according to each region, inquiry theory brightness value and intrinsic brilliance value
Corresponding relationship, obtain the intrinsic brilliance value in each region;
First determining module, for determining that the display panel ties up the mesh under a grayscale in target according to highest brightness value
Brightness value is marked, the highest brightness value is the minimum value in the intrinsic brilliance value in the M region, and the target ties up a grayscale and is
The P of the display panel tie up in a grayscale it is any tie up a grayscale, the P is the integer more than or equal to 1;
The first adjustment module, for the brightness in the case where the target ties up a grayscale, to each region in the M region
It is adjusted, is in the intrinsic brilliance value in each region in subject brightness range, the display panel is in the target
The target brightness value tied up under a grayscale is in the subject brightness range.
Optionally, the component further include:
Second determining module, for determining institute using interpolation method three times for every two adjacent area in the M region
State the target brightness value of each sub-pixel in the juncture area of every two adjacent area;
Second adjustment module, in the case where the target ties up a grayscale, according to the target brightness value of each sub-pixel,
The brightness of each sub-pixel is adjusted, the intrinsic brilliance value of each sub-pixel is made to be equal to each sub-pixel
Target brightness value.
Optionally, the component further include:
Module is chosen, for choosing test zone on said display panel;
Second obtains module, for obtaining N number of intrinsic brilliance value of the test zone under N number of different grayscale, the N
For the integer greater than 1;
Third obtains module, for obtaining N number of theoretical brightness value of the test zone under N number of different grayscale;
Generation module, for according to N number of intrinsic brilliance value of the test zone and N number of theoretical brightness value, generative theory
The corresponding relationship of brightness value and intrinsic brilliance value.
Optionally, the component further include:
Division module, for the display panel to be divided into M region;
Module is lighted, for lighting the display panel with highest grayscale;
Wherein, the division module, is used for:
The display panel is averagely divided into M region;Alternatively,
The display panel is divided into M region, make the M region include in first area and second area extremely
Few one kind, the first area include display blackening and do not include display speck, and the second area includes display speck and not
Including showing blackening.
Optionally, first determining module, for determining institute by target gamma curve according to the highest brightness value
It states display panel and ties up the target brightness value under a grayscale in target.
The third aspect provides a kind of display device, and the display device includes display panel, and, second aspect or second
The brightness adjustment component of display panel described in any optional way of aspect.
Fourth aspect provides a kind of storage medium, instruction is stored in the storage medium, when executed
For realizing the luminance regulating method of display panel described in any optional way of first aspect or first aspect
Technical solution provided by the invention has the benefit that
The luminance regulating method and component of display panel provided by the invention, display device, due to obtaining display panel
Theoretical brightness value of each region under highest grayscale, according to the theoretical brightness value inquiry theory brightness value and reality in each region
The corresponding relationship of border brightness value has obtained the intrinsic brilliance value in each region, and display panel has been determined according to highest brightness value
The target brightness value under a grayscale is tied up in target, and in the case where target ties up a grayscale, the brightness in each region is adjusted, is made every
The intrinsic brilliance value in a region is in subject brightness range, and display panel is tied up the target brightness value under a grayscale in target and is in
In subject brightness range.Therefore, this method is able to solve the problem of display Mura due to caused by display panel itself, solves
The poor problem of the effect of the uniformity of the brightness of adjustment display panel, improves the uniformity of the brightness of display panel.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited
Invention.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of method flow diagram of the luminance regulating method of display panel provided in an embodiment of the present invention;
Fig. 2 is the method flow diagram of the luminance regulating method of another display panel provided in an embodiment of the present invention;
Fig. 3 is the schematic diagram that a kind of pair of display panel provided in an embodiment of the present invention carries out region division;
Fig. 4 is another schematic diagram that region division is carried out to display panel provided in an embodiment of the present invention;
Fig. 5 is the schematic diagram of the target brightness value of the sub-pixel of one juncture area of determination provided in an embodiment of the present invention;
Fig. 6 is the schematic diagram of the target brightness value of the sub-pixel of another juncture area of determination provided in an embodiment of the present invention;
Fig. 7 is a kind of block diagram of the brightness adjustment component of display panel provided in an embodiment of the present invention;
Fig. 8 is the block diagram of the brightness adjustment component of another display panel provided in an embodiment of the present invention.
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
In recent years, large-sized display panel is widely used in display field, and large-sized display panel is mainly liquid crystal
Display panel, for example, 8K liquid crystal display panel is exactly a kind of large-sized display panel.But large-sized display panel is but
Huge challenge is faced, for example, being limited by liquid crystal quality, the precision of production equipment and manufacture craft etc., large-sized liquid crystal
It is likely that there are the phenomenon that liquid crystal is unevenly distributed in display panel, large-sized liquid crystal display panel is caused to be easy to appear display
The problem of Mura;In addition, large-sized liquid crystal display panel usually requires large-sized backlight to support, and large-sized back
The uniformity of the brightness of light source is generally difficult to meet the requirements, this further results in the display Mura of large-sized liquid crystal display panel
Problem.In order to solve the problems, such as the display Mura of large-sized liquid crystal display panel, currently, most researchs are gone out from backlight
Hair, it is intended to improve the uniformity of the brightness of backlight to reduce the display Mura of liquid crystal display panel, still, this not can solve
Due to caused by liquid crystal display panel itself the problem of display Mura.
The present invention provides a kind of luminance regulating method of display panel and component, display device be can solve due to liquid
The problem of display Mura caused by LCD panel itself.The luminance regulating method of display panel provided by the invention can be by
The brightness adjustment component of display panel executes, and the brightness adjustment component of display panel can be in the driving chip of display panel
Component.Detailed protocol of the invention please refers to following embodiments.
Referring to FIG. 1, it illustrates a kind of methods of the luminance regulating method of display panel provided in an embodiment of the present invention
Flow chart, referring to Fig. 1, this method comprises:
In a step 101, for each region in M region of display panel, each region is obtained in highest grayscale
Under theoretical brightness value, M is integer more than or equal to 2.
In a step 102, according to the theoretical brightness value in each region, inquiry theory brightness value is corresponding with intrinsic brilliance value
Relationship obtains the intrinsic brilliance value in each region.
In step 103, according to highest brightness value, determine that display panel ties up the target brightness value under a grayscale in target,
Highest brightness value is the minimum value in the intrinsic brilliance value in M region.
Wherein, the P that target ties up that a grayscale is display panel tie up in a grayscale it is any tie up a grayscale, P is to be greater than or wait
In 1 integer.
At step 104, in the case where target ties up a grayscale, the brightness in each region in M region is adjusted, is made every
The intrinsic brilliance value in a region is in subject brightness range, and display panel is tied up the target brightness value under a grayscale in target and is in
In subject brightness range.
In conclusion the luminance regulating method of display panel provided in an embodiment of the present invention, due to obtaining display panel
Theoretical brightness value of each region under highest grayscale, according to the theoretical brightness value inquiry theory brightness value and reality in each region
The corresponding relationship of border brightness value has obtained the intrinsic brilliance value in each region, and display panel has been determined according to highest brightness value
The target brightness value under a grayscale is tied up in target, and in the case where target ties up a grayscale, the brightness in each region is adjusted, is made every
The intrinsic brilliance value in a region is in subject brightness range, and display panel is tied up the target brightness value under a grayscale in target and is in
In subject brightness range.Therefore, this method is able to solve the problem of display Mura due to caused by display panel itself, solves
The poor problem of the effect of the uniformity of the brightness of adjustment display panel, improves the uniformity of the brightness of display panel.
Optionally, after step 104, this method further include:
For every two adjacent area in M region, the junctional area of every two adjacent area is determined using interpolation method three times
The target brightness value of each sub-pixel in domain;
In the case where target ties up a grayscale, according to the target brightness value of each sub-pixel, the brightness of each sub-pixel is adjusted
It is whole, so that the intrinsic brilliance value of each sub-pixel is equal to the target brightness value of each sub-pixel.
Optionally, before step 102, this method further include:
Test zone is chosen on a display panel;
N number of intrinsic brilliance value of the test zone under N number of different grayscale is obtained, N is the integer greater than 1;
Obtain N number of theoretical brightness value of the test zone under N number of different grayscale;
According to N number of intrinsic brilliance value of test zone and N number of theoretical brightness value, generative theory brightness value and intrinsic brilliance value
Corresponding relationship.
Optionally, before step 101, this method further include:
Display panel is divided into M region;
Display panel is lighted with highest grayscale;
Wherein, display panel is divided into M region, comprising:
Display panel is averagely divided into M region;Alternatively,
Display panel is divided into M region, M region is made to include at least one of first area and second area,
First area includes display blackening and does not include display speck, and second area includes display speck and do not include display blackening.
Optionally, step 103 includes: to determine display panel in target by target gamma curve according to highest brightness value
Tie up the target brightness value under a grayscale.
All the above alternatives can form alternative embodiment of the invention using any combination, herein no longer
It repeats one by one.
Referring to FIG. 2, it illustrates the sides of the luminance regulating method of another display panel provided in an embodiment of the present invention
Method flow chart, referring to fig. 2, this method comprises:
In step 201, test zone is chosen on a display panel.
Wherein, display panel can be liquid crystal display panel or Organic Light Emitting Diode (English: OrganicLight-
Emitting Diode;Referred to as: OLED) display panel, liquid crystal display panel can be 8K liquid crystal display panel, and the present invention is implemented
Example is illustrated so that display panel is liquid crystal display panel as an example.
It is alternatively possible to first light display panel, then according to the brightness of display panel, test is chosen on a display panel
Region, the test zone are the more uniform region of brightness on display panel, which can be a liquid crystal dots array area
Domain.
In step 202, N number of intrinsic brilliance value of the test zone under N number of different grayscale is obtained, N is whole greater than 1
Number.
In embodiments of the present invention, the bright of test zone can be measured under N number of different grayscale using brightness measurement equipment
Degree obtains N number of intrinsic brilliance value of the test zone under N number of different grayscale.Wherein, brightness measurement equipment can be color analysis
Instrument, the color analysis instrument can be CA310 equipment.
Optionally, after choosing test zone, CA310 equipment can be arranged in the test zone, then with N number of
Different grayscale successively light display panel, after lighting display panel with each grayscale, read the test of CA310 device measuring
The intrinsic brilliance value in region, to obtain N number of intrinsic brilliance value of the test zone under N number of different grayscale.
In step 203, N number of theoretical brightness value of the test zone under N number of different grayscale is obtained.
It is alternatively possible to display panel is successively lighted with N number of different grayscale, after lighting display panel with each grayscale,
The image that test zone is obtained using picture pick-up device, obtain the corresponding image of each grayscale (the corresponding image of each grayscale namely
It is the image of the test zone obtained after lighting display panel with each grayscale using picture pick-up device), then pass through image procossing
Technology handles the corresponding image of each grayscale, obtains the brightness value of the corresponding image of each grayscale, and each grayscale is corresponding
The brightness value of image that is to say theoretical brightness value of the test zone under each grayscale, it is bright so as to obtain N number of theory
Angle value.Wherein, picture pick-up device can be the test dedicated camera of display panel.
Wherein, include multiple sub-pixels in test zone, therefore include multiple sub-pixel images in the image of test zone,
Multiple sub-pixel images and multiple sub-pixels correspond, and each sub-pixel map seems the image of corresponding sub-pixel.Pass through figure
As processing technique handles the corresponding image of each grayscale, the brightness value for obtaining the corresponding image of each grayscale be can wrap
It includes: the corresponding image of each grayscale being handled by image processing techniques, is obtained each in the corresponding image of each grayscale
The brightness value of a sub-pixel image makees the average value of the brightness value of all sub-pixel images in the corresponding image of each grayscale
For the brightness value of the corresponding image of each grayscale.Illustratively, it is assumed that include 10000 sub-pixels, then each ash in test zone
Include 10000 sub-pixel images in the corresponding image of rank, then includes 10000 in the corresponding image of grayscale 1 by taking grayscale 1 as an example
A sub-pixel image handles the corresponding image of grayscale 1 by image processing techniques, obtains in the corresponding image of grayscale 1
10000 sub-pixel images brightness value, the average value of the brightness value of 10000 sub-pixel images is right as grayscale 1
The brightness value for the image answered.The determination process of the brightness value of the corresponding image of other grayscale is similar, and the embodiment of the present invention exists
This is repeated no more.
It should be noted that N number of different grayscale in above-mentioned steps 202 are identical from N number of different grayscale in step 203
N number of grayscale, that is to say, N number of different grayscale when N number of different grayscale in step 202 are 1~N of grayscale, in step 203
It also is 1~N of grayscale.In addition, step 202 and step 203 are used the side of sequencing by the embodiment of the present invention for ease of description
Formula describes, and in practical application, step 202 and step 203 be may be performed simultaneously, and that is to say, light display surface with each grayscale
After plate, the intrinsic brilliance value and true brightness value of test zone are obtained respectively.Certainly, step 202 and step 203 can also be according to
Another sequencing executes, and that is to say, first successively lights display panel with N number of different grayscale, is lighting display with each grayscale
After panel, the theoretical brightness value of test zone is obtained, then display panel is successively lighted again with N number of different grayscale, with each
After grayscale lights display panel, the intrinsic brilliance value of test zone is obtained.
In step 204, according to N number of intrinsic brilliance value of test zone and N number of theoretical brightness value, generative theory brightness value
With the corresponding relationship of intrinsic brilliance value.
It is alternatively possible to which the N number of intrinsic brilliance value and N number of theoretical brightness value to test zone carry out curve fitting, obtain
The corresponding relationship of theoretical brightness value and intrinsic brilliance value, the corresponding relationship embody in graph form.In practical application, the correspondence
Relationship can also embody in table form.Assuming that N number of different grayscale is 1~N of grayscale, N number of intrinsic brilliance value is R1~RN, N
A theory brightness value is E1~EN, then theoretical brightness value and the corresponding relationship of intrinsic brilliance value can be as shown in table 1 below:
Table 1
Theoretical brightness value | Intrinsic brilliance value |
E1 | R1 |
E2 | R2 |
E3 | R3 |
... | ... |
EN | RN |
Wherein, E1The theoretical brightness value of test zone, R when indicating to light display panel with grayscale 11Expression is lighted with grayscale 1
The intrinsic brilliance value of test zone, E when display panel2The theoretical brightness of test zone when indicating to light display panel with grayscale 2
Value, R2The intrinsic brilliance value of test zone when indicating to light display panel with grayscale 2, and so on.
It should be noted that display panel has multiple grayscale, above-mentioned N number of different grayscale be can be to display panel
N number of grayscale that multiple grayscale are sampled, that is to say, above-mentioned N number of different grayscale is in multiple grayscale of display panel
A part of grayscale, so, it is possible to reduce calculation amount.Illustratively, 8K liquid crystal display panel is real using 10bit actuation techniques
Existing display function, 8K liquid crystal display panel share 0~1023 this 1024 (1024=210) a grayscale, for 8K LCD display
Plate, the N number of grayscale sampled can be grayscale 0, grayscale 2, grayscale 4, grayscale 6... grayscale 1022 this 512 grayscale, in this way
One, it is possible to reduce calculation amount and the reasonability for guaranteeing sampling.It is, of course, also possible to using other sample modes to 8K liquid crystal display
1024 grayscale of panel are sampled, and it is not limited in the embodiment of the present invention.
In step 205, display panel is divided into M region, M is the integer more than or equal to 2.
It is alternatively possible to first light display panel, then according to the brightness case of display panel, display panel is divided into
M region.Wherein, display panel is divided into M region may include following two situation:
Situation one: display panel is averagely divided into M region.
When the brightness of display panel is more uniform, display panel can be averagely divided into M region.Illustratively, it asks
With reference to Fig. 3, it illustrates the schematic diagram that a kind of pair of display panel provided in an embodiment of the present invention is divided, the display panel
Brightness is more uniform, therefore display panel is averagely divided into 8 regions.
Situation two: being divided into M region for display panel, make M region include in first area and second area extremely
Few one kind, first area include display blackening and do not include display speck, and second area includes display speck and do not include display
Blackening.
When the uniformity of the brightness of display panel is poor, for example, display panel has display blackening and/or display speck
When, display panel can be divided into M region, M region is made to include at least one of first area and second area,
One region includes display blackening and does not include display speck, and second area includes display speck and do not include display blackening.Example
Ground, referring to FIG. 4, this is aobvious it illustrates the schematic diagram that another kind provided in an embodiment of the present invention divides display panel
Show that there is panel display blackening and display speck display panel is therefore divided into 6 regions, includes first in 6 regions
Region and second area, first area are region 4, and second area is region 5.It should be noted that Fig. 4 is only exemplary
, in practical application, for not having display blackening on display panel and showing the region of speck, average division can be carried out.
In addition, may include multiple aobvious in a first area when the display blackening or more intensive display speck on display panel
Show blackening and do not include display speck, may include multiple display specks in a second area and do not include display blackening, this
Inventive embodiments do not limit this.
In step 206, display panel is lighted with highest grayscale.
It is alternatively possible to be powered on to display panel, make the grayscale highest grayscale of display panel, thus with highest grayscale point
Bright display panel.Illustratively, the highest grayscale of 8K liquid crystal display panel is grayscale 1023, therefore lights 8K liquid using grayscale 1023
LCD panel.
In step 207, for each region in M region of display panel, each region is obtained in highest grayscale
Under theoretical brightness value.
Optionally, it during display panel is with the display of highest grayscale, is obtained using picture pick-up device every in M region
Then the image in a region is handled by image of the image processing techniques to each region, obtains the image in each region
Brightness value, the brightness value of the image in each region that is to say theoretical brightness value of each region under highest grayscale.Wherein,
Include multiple sub-pixels in each region in M region, therefore include multiple sub-pixel images in the image in each region, often
Multiple sub-pixels in multiple sub-pixel images and each region in the image in a region correspond, each sub-pixel map
It seem the image of corresponding sub-pixel.It is handled by image of the image processing techniques to each region, obtains each region
The brightness value of image may include: to be handled by image of the image processing techniques to each region, obtain each region
Image in each sub-pixel image brightness value, by the brightness value of all sub-pixel images in the image in each region
Brightness value of the average value as the image in each region.
Illustratively, by taking region division shown in Fig. 3 as an example, it is assumed that include 3000 sub-pixels in region 1, in display panel
During showing with highest grayscale, the image in region 1 is obtained using picture pick-up device, includes 3000 in the image in the region 1
Sub-pixel image is handled by image of the image processing techniques to region 1, obtains 3000 sons in the image in region 1
The brightness value of pixel image, using the average value of the brightness value of 3000 sub-pixel images as the brightness value of the image in region 1,
The brightness value of the image in the region 1 that is to say theoretical brightness value of the region 1 under highest grayscale.Region 2 to region 8 is in highest
The acquisition process of theoretical brightness value under grayscale is similar, theoretical brightness of each region shown in Fig. 4 under highest grayscale
The acquisition process of value is also similar, and details are not described herein for the embodiment of the present invention.
In a step 208, according to the theoretical brightness value in each region, inquiry theory brightness value is corresponding with intrinsic brilliance value
Relationship obtains the intrinsic brilliance value in each region.
Optionally, according to the theoretical brightness value in each region in M region, corresponding relationship shown in inquiry table 1 is obtained
The corresponding intrinsic brilliance value in each region, the corresponding intrinsic brilliance value in each region that inquiry is obtained is as the reality in each region
Border brightness value.
Illustratively, still by taking Fig. 3 as an example, it is assumed that theoretical brightness value of the region 1 obtained in step 207 under highest grayscale be
E2, then the theoretical brightness value E according to region 1 under highest grayscale2Corresponding relationship shown in inquiry table 1 can be determined theoretical bright
Angle value E2Corresponding intrinsic brilliance value R2, therefore, by intrinsic brilliance value R2Intrinsic brilliance value as region 1.Region 2 to region 8
The determination process of intrinsic brilliance value under highest grayscale is similar, reality of each region shown in Fig. 4 under highest grayscale
The determination process of border brightness value is also similar, and details are not described herein for the embodiment of the present invention.
In step 209, according to highest brightness value, determine that display panel ties up the target brightness value under a grayscale in target,
Highest brightness value is the minimum value in the intrinsic brilliance value in M region.
In embodiments of the present invention, there are display panel P to be tied up a grayscale, and target is tied up a grayscale and tied up in a grayscale for P
It is any tie up a grayscale, P is the integer more than or equal to 1, and it is corresponding adjustable to tie up the driving chip that a grayscale is display panel
Grayscale ties up a grayscale and is properly termed as grayscale again and ties up a little.
In embodiments of the present invention, it can first determine that highest brightness value determines display panel then according to highest brightness value
The target brightness value under a grayscale is tied up in target.It is alternatively possible to be compared to the intrinsic brilliance value in M region, M is determined
Minimum value in the intrinsic brilliance value in M region is determined as highest brightness value by the minimum value in the intrinsic brilliance value in a region.
Optionally, determine that display panel in the target brightness value that target is tied up under a grayscale includes: root according to highest brightness value
According to highest brightness value, the target for determining that display panel is tied up under a grayscale in target by target gamma (English: Gamma) curve is bright
Angle value.In embodiments of the present invention, target gamma curve (can that is to say gal of the gamma value equal to 2.2 for Gamma2.2 curve
Horse curve).The expression formula of gamma curve can be with are as follows: (LB/LH)γ=RB/RH, wherein LBA grayscale, L are tied up in expressionHIndicate most high ash
Rank, RBIndicate target brightness value, RHIndicate highest brightness value, γ indicates gamma value, for example, the expression formula of Gamma2.2 curve can
Think (LB/LH)2.2=RB/RH, the expression formula of the Gamma2.2 curve of 8K liquid crystal display panel can be (LB/1023)2.2=RB/
RH.It follows that in the case where display panel determines, LHFor datum, an ash is only tied up in the expression formula of target gamma curve
Rank LB, target brightness value RBWith highest brightness value RHTarget therefore can be tied up to grayscale and highest brightness value generation for unknown number
Enter target gamma curve and obtain display panel and ties up the target brightness value under a grayscale in target.
In step 210, in the case where target ties up a grayscale, the brightness in each region in M region is adjusted, is made every
The intrinsic brilliance value in a region is in subject brightness range, and display panel is tied up the target brightness value under a grayscale in target and is in
In subject brightness range.
Optionally, in the case where target ties up a grayscale, can come by adjusting the gamma electric voltage in each region in M region
The gamma curve for adjusting each region in M region, is in the intrinsic brilliance value in each region in subject brightness range.It can
Selection of land can adjust the gamma electric voltage in each region on one side, determine the intrinsic brilliance value in each region on one side, until each area
The intrinsic brilliance value in domain is in subject brightness range, completes the adjustment of the brightness in each region.Wherein, subject brightness range is
Target ties up the corresponding brightness range of a grayscale, and subject brightness range is determined in the case where target ties up a grayscale, subject brightness range
Two endpoint brightness values in an endpoint brightness value be according to highest brightness value, pass through Gamma2.2 curve determine display
Panel ties up the target brightness value under a grayscale in target, another endpoint brightness value is passed through according to highest brightness value
The display panel that Gamma2.4 curve (that is to say the gamma curve that gamma value is equal to 2.4) determines ties up the mesh under a grayscale in target
Mark brightness value.Wherein, the different corresponding brightness ranges of a grayscale of tying up can be different.
It should be noted that since step 206 to step 208 is said so that highest grayscale lights display panel as an example
Bright, when lighting display panel with highest grayscale, the brightness of all sub-pixels of display panel is maximum brightness, can not be led to
The brightness for improving gray scale voltage to promote sub-pixel is crossed, therefore, step 209 and step 210 are in the intrinsic brilliance value in M region
Minimum value on the basis of to display panel carry out brightness adjustment.In addition, step 209 describes to tie up a little in target to step 210
The process that the brightness in each region of display panel is adjusted under grayscale when actual implementation, needs to tie up each of grayscale at P
The brightness for adjusting each region of display panel under a grayscale is tied up, adjusts each region of display panel under a grayscale in any tie up
Brightness process can refer to step 209 and step 210, details are not described herein for the embodiment of the present invention.
It should also be noted that, after to the brightness adjustment in M region, the difference of the brightness of adjacent area in M region
May be larger, leading to display panel, there are apparent brightness steps to change, and influences display effect.It is therefore possible to use in three times
The method of inserting is adjusted the brightness of each sub-pixel in the juncture area of every two adjacent area, so that adjacent area is bright
Spend the adjacent area juncture area slowly, smoothly transition.Detailed process please refers to following step 211 to step 212.
In step 211, for every two adjacent area in M region, determine that every two is adjacent using interpolation method three times
The target brightness value of each sub-pixel in the juncture area in region.
It in embodiments of the present invention, can be that unit determines every two phase using interpolation method three times with block (English: Block)
The target brightness value of each sub-pixel in the juncture area in neighbouring region, block size (English: Blocksize) can for i*j (
Being includes i*j sub-pixel in block), i indicates the number of the sub-pixel of block in the horizontal direction, and j indicates block in vertical direction
On sub-pixel number.Wherein, each sub-pixel can correspond to a block position, true using interpolation method three times by unit of block
The target brightness value for determining each sub-pixel in the juncture area of every two adjacent area may include: when block is located at every height picture
When plain corresponding piece of position, interpolation is weighted to the brightness of the i*j sub-pixel in block, the target for obtaining each sub-pixel is bright
Angle value.Such operation is executed for each sub-pixel in juncture area, so that it is determined that all sub- pictures in juncture area out
The target brightness value of element.
Illustratively, Fig. 5 and Fig. 6 are please referred to, it is true using interpolation method three times which respectively show provided in an embodiment of the present invention
Determine the schematic diagram of the target brightness value of each sub-pixel in juncture area, referring to figs. 5 and 6, juncture area Q by region Q1 and
Region Q2 is constituted, and each small cube represents a sub-pixel, and the small cube for being filled with oblique line represents the boundary position of adjacent area
Sub-pixel, white small cube represent in juncture area Q be located at boundary position near sub-pixel, block size 4*4.
Referring to Fig. 5, position S in 25 corresponding pieces of positions of sub-pixel such as Fig. 5, at this point, include in block sub-pixel 17~20,
Therefore 25~28,33~36 and 41~44 this 16 sub-pixels are weighted interpolation to the brightness of 16 sub-pixels and obtain
The target brightness value of sub-pixel 25;Later, (the present embodiment is single with sub-pixel to the unit that block moved right in the horizontal direction
Position be illustrated), obtain 26 corresponding pieces of positions of sub-pixel (not marking in Fig. 5), at this point, in block include sub-pixel 18~21,
26~29,34~37 and 42~45 this 16 sub-pixels, therefore interpolation is weighted to the brightness of 16 sub-pixels and is obtained
The target brightness value of sub-pixel 26;And so on, until block is moved to position U, and determine the target brightness value of sub-pixel 28,
So far, the determination of the target brightness value of all sub-pixels of the row of region Q1 sub-pixel 25 is completed.Later, by block along vertical
Direction moves down a unit, determines the target brightness value of the next line sub-pixel of the row of region Q1 sub-pixel 25, according to
It is secondary to analogize, until determining the target brightness value of all sub-pixels in the Q1 of region.
Referring to Fig. 6, position V in 32 corresponding pieces of positions of sub-pixel such as Fig. 6, at this point, include in block sub-pixel 21~24,
Therefore 29~32,37~40 and 45~48 this 16 sub-pixels are weighted interpolation to the brightness of 16 sub-pixels and obtain
The target brightness value of sub-pixel 32;Later, block is moved to the left to a unit in the horizontal direction, obtains 31 corresponding pieces of sub-pixel
Position (does not mark) in Fig. 6, at this point, including this 16 sub- pictures of sub-pixel 20~23,28~31,36~39 and 44~47 in block
Element, therefore interpolation is weighted to the brightness of 16 sub-pixels and obtains the target brightness value of sub-pixel 31;And so on, until
Block is moved to position W, and determines the target brightness value of sub-pixel 29, so far, it is of the row to complete region Q2 sub-pixel 32
The determination of the target brightness value of all sub-pixels.Later, block is moved into a unit vertically downwards, is determined in the Q2 of region
The target brightness value of the next line sub-pixel of the row of sub-pixel 32, and so on, until determining all sons in the Q2 of region
The target brightness value of pixel.
In the step 212, in the case where target ties up a grayscale, according to the target brightness value of each sub-pixel, to each sub-pixel
Brightness be adjusted, make each sub-pixel intrinsic brilliance value be equal to each sub-pixel target brightness value.
Optionally, it in the case where target ties up a grayscale, can be applied to according to the adjustment of the target brightness value of each sub-pixel each
Voltage on sub-pixel is adjusted with the brightness to each sub-pixel, is equal to the intrinsic brilliance value of each sub-pixel each
The target brightness value of sub-pixel.Wherein, during adjustment, the intrinsic brilliance of sub-pixel can be determined while adjusting
Value, until the intrinsic brilliance value of sub-pixel is equal to the target brightness value of the sub-pixel.
It should be noted that the intrinsic brilliance value of sub-pixel may not be equal to sub- picture by the display of Adjustment precision
The target brightness value of element, therefore, in embodiments of the present invention, the intrinsic brilliance value of sub-pixel is equal to the object brightness of the sub-pixel
Value refers to: the intrinsic brilliance value of sub-pixel be equal to the sub-pixel target brightness value, alternatively, the intrinsic brilliance value of sub-pixel with
The absolute value of the difference of the target brightness value of the sub-pixel is less than preset threshold.
It should also be noted that, after the luminance regulating method to display panel, can be determined in the embodiment of the present invention
When the intrinsic brilliance value in each region is in subject brightness range, in the gamma electric voltage and juncture area in each region
The intrinsic brilliance value of each sub-pixel when being equal to the target brightness value of each sub-pixel, the electricity that is applied on each sub-pixel
Pressure, and corresponding gamma electric voltage and the voltage being applied on sub-pixel are stored in driving chip, in order to which display panel exists
During practical application, driving chip can be powered on according to the gamma electric voltage of storage to each region, according to each of storage
Voltage on sub-pixel is powered on to each sub-pixel, guarantees the uniformity of the brightness of display panel.
In conclusion the luminance regulating method of display panel provided in an embodiment of the present invention, due to obtaining display panel
Theoretical brightness value of each region under highest grayscale, according to the theoretical brightness value inquiry theory brightness value and reality in each region
The corresponding relationship of border brightness value has obtained the intrinsic brilliance value in each region, and display panel has been determined according to highest brightness value
The target brightness value under a grayscale is tied up in target, and in the case where target ties up a grayscale, the brightness in each region is adjusted, is made every
The intrinsic brilliance value in a region is in subject brightness range, and display panel is tied up the target brightness value under a grayscale in target and is in
In subject brightness range.Therefore, this method is able to solve the problem of display Mura due to caused by display panel itself, solves
The poor problem of the effect of the uniformity of the brightness of adjustment display panel, improves the uniformity of the brightness of display panel.This
The luminance regulating method for the display panel that inventive embodiments provide can solve the production of backlight illumination unevenness and display panel
The problem of brightness disproportionation of display panel caused by technique etc., increases substantially the uniformity of the brightness of display panel.
It should be noted that the sequencing of the luminance regulating method step of display panel provided in an embodiment of the present invention can
To carry out appropriate adjustment, step according to circumstances can also accordingly be increased and decreased, and anyone skilled in the art exists
The invention discloses technical scope in, the method that can readily occur in variation should be covered by the protection scope of the present invention, because
This is repeated no more.
Following is apparatus of the present invention embodiment, can be used for executing embodiment of the present invention method.For apparatus of the present invention reality
Undisclosed details in example is applied, embodiment of the present invention method is please referred to.
Referring to FIG. 7, it illustrates a kind of frames of the brightness adjustment component 700 of display panel provided in an embodiment of the present invention
Figure, the method which is used to execute Fig. 1 or embodiment illustrated in fig. 2 provides, the component 700 can be the drive of display device
Component in dynamic chip.Referring to Fig. 7, which be can include but is not limited to:
First acquisition module 701 obtains each region and exists for each region in the M region for display panel
Theoretical brightness value under highest grayscale, M are the integer more than or equal to 2;
Enquiry module 702, for the theoretical brightness value according to each region, inquiry theory brightness value and intrinsic brilliance value
Corresponding relationship obtains the intrinsic brilliance value in each region;
First determining module 703, for determining that display panel ties up the target under a grayscale in target according to highest brightness value
Brightness value, highest brightness value are the minimum value in the intrinsic brilliance value in M region, and target ties up P that a grayscale is display panel
Tie up in a grayscale it is any tie up a grayscale, P is the integer more than or equal to 1;
The first adjustment module 704, for being carried out to the brightness in each region in M region in the case where target ties up a grayscale
Adjustment, is in the intrinsic brilliance value in each region in subject brightness range, display panel ties up the target under a grayscale in target
Brightness value is in subject brightness range.
In conclusion the brightness adjustment component of display panel provided in an embodiment of the present invention, since the first acquisition module obtains
Theoretical brightness value of each region of display panel under highest grayscale is taken, enquiry module is according to the theoretical brightness in each region
It is worth the corresponding relationship of inquiry theory brightness value and intrinsic brilliance value, has obtained the intrinsic brilliance value in each region, first determines mould
Root tuber has determined that display panel ties up the target brightness value under a grayscale in target according to highest brightness value, and the first adjustment module is in target
It ties up under a grayscale, the brightness in each region is adjusted, be in the intrinsic brilliance value in each region in subject brightness range,
Display panel is tied up the target brightness value under a grayscale in target and is in subject brightness range.Therefore, the brightness of the display panel
Adjustment component is able to solve the problem of display Mura caused by display panel itself, and solution adjusts display panel in the related technology
Brightness uniformity the poor problem of effect, improve the uniformity of the brightness of display panel.
Further, referring to FIG. 8, it illustrates the brightness adjustments of another display panel provided in an embodiment of the present invention
The block diagram of component 700, on the basis of Fig. 7, the component 700 further include:
Second determining module 705, for being determined using interpolation method three times every for every two adjacent area in M region
The target brightness value of each sub-pixel in the juncture area of two adjacent areas;
Second adjustment module 706, in the case where target ties up a grayscale, according to the target brightness value of each sub-pixel, to every
The brightness of a sub-pixel is adjusted, and the intrinsic brilliance value of each sub-pixel is made to be equal to the target brightness value of each sub-pixel.
Further, with continued reference to FIG. 8, the component 700 further include:
Module 707 is chosen, for choosing test zone on a display panel;
Second obtains module 708, and for obtaining N number of intrinsic brilliance value of the test zone under N number of different grayscale, N is big
In 1 integer;
Third obtains module 709, for obtaining N number of theoretical brightness value of the test zone under N number of different grayscale;
Generation module 710, for bright according to the N number of intrinsic brilliance value and N number of theoretical brightness value, generative theory of test zone
The corresponding relationship of angle value and intrinsic brilliance value.
Further, with continued reference to FIG. 8, the component 700 further include:
Division module 711, for display panel to be divided into M region;
Module 712 is lighted, for lighting display panel with highest grayscale;
Wherein, division module 711 are used for:
Display panel is averagely divided into M region;Alternatively,
Display panel is divided into M region, M region is made to include at least one of first area and second area,
First area includes display blackening and does not include display speck, and second area includes display speck and do not include display blackening.
Optionally, the first determining module 703, for determining display surface by target gamma curve according to highest brightness value
Plate ties up the target brightness value under a grayscale in target.
In conclusion the brightness adjustment component of display panel provided in an embodiment of the present invention, since the first acquisition module obtains
Theoretical brightness value of each region of display panel under highest grayscale is taken, enquiry module is according to the theoretical brightness in each region
It is worth the corresponding relationship of inquiry theory brightness value and intrinsic brilliance value, has obtained the intrinsic brilliance value in each region, first determines mould
Root tuber has determined that display panel ties up the target brightness value under a grayscale in target according to highest brightness value, and the first adjustment module is in target
It ties up under a grayscale, the brightness in each region is adjusted, be in the intrinsic brilliance value in each region in subject brightness range,
Display panel is tied up the target brightness value under a grayscale in target and is in subject brightness range.Therefore, the brightness of the display panel
Adjustment component is able to solve the problem of display Mura caused by display panel itself, solves the brightness of adjustment display panel
The poor problem of the effect of uniformity, improves the uniformity of the brightness of display panel.
The embodiment of the invention also provides a kind of display device, which includes that display panel and above-described embodiment mention
The brightness adjustment component 700 of the display panel of confession.Wherein, display panel can be liquid crystal display panel, and can be 8K liquid crystal
Display panel, display device can be television set, display, desktop computer, mobile phone, tablet computer, laptop, number
Any display products or components such as photo frame or navigator.
The embodiment of the invention also provides a kind of storage medium, it is stored with instruction in the storage medium, when the instruction is held
For realizing the luminance regulating method of display panel provided by the above embodiment when row.
Term "and/or" in the present invention, only a kind of incidence relation for describing affiliated partner, indicates may exist three kinds
Relationship, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, relevant hardware can also be instructed to complete by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The foregoing is merely alternative embodiments of the invention, are not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of luminance regulating method of display panel, which is characterized in that the described method includes:
For each region in M region of the display panel, theory of each region under highest grayscale is obtained
Brightness value, the M are the integer more than or equal to 2;
According to the theoretical brightness value in each region, the corresponding relationship of inquiry theory brightness value and intrinsic brilliance value obtains institute
State the intrinsic brilliance value in each region;
According to highest brightness value, determine that the display panel ties up the target brightness value under a grayscale, the maximum brightness in target
Value is the minimum value in the intrinsic brilliance value in the M region, and the target is tied up P that a grayscale is the display panel and tied up a little
Any in grayscale ties up a grayscale, and the P is the integer more than or equal to 1;
In the case where the target ties up a grayscale, the brightness in each region in the M region is adjusted, makes each area
The intrinsic brilliance value in domain is in subject brightness range, and the display panel ties up the target brightness value under a grayscale in the target
In the subject brightness range.
2. the method according to claim 1, wherein in the case where the target ties up a grayscale, in the M region
Each region brightness be adjusted after, the method also includes:
For every two adjacent area in the M region, the friendship of the every two adjacent area is determined using interpolation method three times
The target brightness value of each sub-pixel in battery limit (BL) domain;
In the case where the target ties up a grayscale, according to the target brightness value of each sub-pixel, to the bright of each sub-pixel
Degree is adjusted, and the intrinsic brilliance value of each sub-pixel is made to be equal to the target brightness value of each sub-pixel.
3. the method according to claim 1, wherein being inquired in the theoretical brightness value according to each region
Before theoretical brightness value and the corresponding relationship of intrinsic brilliance value, the method also includes:
Test zone is chosen on said display panel;
N number of intrinsic brilliance value of the test zone under N number of different grayscale is obtained, the N is the integer greater than 1;
Obtain N number of theoretical brightness value of the test zone under N number of different grayscale;
According to N number of intrinsic brilliance value of the test zone and N number of theoretical brightness value, generative theory brightness value and intrinsic brilliance value
Corresponding relationship.
4. the method according to claim 1, wherein obtaining theory of each region under highest grayscale
Before brightness value, the method also includes:
The display panel is divided into M region;
The display panel is lighted with highest grayscale;
It is wherein, described that the display panel is divided into M region, comprising:
The display panel is averagely divided into M region;Alternatively,
The display panel is divided into M region, making the M region includes at least one in first area and second area
Kind, the first area includes display blackening and does not include display speck, and the second area includes display speck and do not include
Show blackening.
5. method according to any one of claims 1 to 4, which is characterized in that it is described according to highest brightness value, it determines described aobvious
Show that panel ties up the target brightness value under a grayscale in target, comprising:
According to the highest brightness value, determine that the display panel ties up the target under a grayscale in target by target gamma curve
Brightness value.
6. a kind of brightness adjustment component of display panel, which is characterized in that the component includes:
First obtains module, for each region in the M region for the display panel, obtains each region and exists
Theoretical brightness value under highest grayscale, the M are the integer more than or equal to 2;
Enquiry module, for the theoretical brightness value according to each region, pair of inquiry theory brightness value and intrinsic brilliance value
It should be related to, obtain the intrinsic brilliance value in each region;
First determining module, for according to highest brightness value, the target for determining that the display panel is tied up under a grayscale in target to be bright
Angle value, the highest brightness value are the minimum value in the intrinsic brilliance value in the M region, and it is described that the target, which ties up a grayscale,
The P of display panel tie up in a grayscale it is any tie up a grayscale, the P is the integer more than or equal to 1;
The first adjustment module, for being carried out to the brightness in each region in the M region in the case where the target ties up a grayscale
Adjustment, is in the intrinsic brilliance value in each region in subject brightness range, the display panel is tied up a little in the target
Target brightness value under grayscale is in the subject brightness range.
7. component according to claim 6, which is characterized in that the component further include:
Second determining module, for being determined using interpolation method three times described every for every two adjacent area in the M region
The target brightness value of each sub-pixel in the juncture area of two adjacent areas;
Second adjustment module, in the case where the target ties up a grayscale, according to the target brightness value of each sub-pixel, to institute
The brightness for stating each sub-pixel is adjusted, and the intrinsic brilliance value of each sub-pixel is made to be equal to the mesh of each sub-pixel
Mark brightness value.
8. component according to claim 6, which is characterized in that the component further include:
Module is chosen, for choosing test zone on said display panel;
Second obtains module, and for obtaining N number of intrinsic brilliance value of the test zone under N number of different grayscale, the N is big
In 1 integer;
Third obtains module, for obtaining N number of theoretical brightness value of the test zone under N number of different grayscale;
Generation module, for according to N number of intrinsic brilliance value of the test zone and N number of theoretical brightness value, generative theory brightness
The corresponding relationship of value and intrinsic brilliance value.
9. according to any component of claim 6 to 8, which is characterized in that the component further include:
Division module, for the display panel to be divided into M region;
Module is lighted, for lighting the display panel with highest grayscale;
Wherein, the division module, is used for:
The display panel is averagely divided into M region;Alternatively,
The display panel is divided into M region, making the M region includes at least one in first area and second area
Kind, the first area includes display blackening and does not include display speck, and the second area includes display speck and do not include
Show blackening.
10. a kind of display device, which is characterized in that the display device includes that display panel and claim 5 to 9 are any described
Display panel brightness adjustment component.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811092968.6A CN108962179B (en) | 2018-09-19 | 2018-09-19 | Display panel brightness adjusting method and assembly and display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811092968.6A CN108962179B (en) | 2018-09-19 | 2018-09-19 | Display panel brightness adjusting method and assembly and display device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108962179A true CN108962179A (en) | 2018-12-07 |
CN108962179B CN108962179B (en) | 2020-10-09 |
Family
ID=64471280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811092968.6A Expired - Fee Related CN108962179B (en) | 2018-09-19 | 2018-09-19 | Display panel brightness adjusting method and assembly and display device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108962179B (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109637416A (en) * | 2019-01-07 | 2019-04-16 | 成都中电熊猫显示科技有限公司 | Method of adjustment, device and the equipment of panel luminance |
CN110288556A (en) * | 2019-07-04 | 2019-09-27 | 京东方科技集团股份有限公司 | A kind of image processing method and device, display equipment |
WO2021072652A1 (en) * | 2019-10-15 | 2021-04-22 | 京东方科技集团股份有限公司 | Halo improvement method and apparatus, and display |
CN112992065A (en) * | 2021-04-22 | 2021-06-18 | 昆山国显光电有限公司 | Brightness adjusting method and device for display panel and computer readable storage medium |
CN113284469A (en) * | 2021-05-26 | 2021-08-20 | 深圳市华星光电半导体显示技术有限公司 | Brightness adjusting method, brightness adjusting device and electronic equipment |
CN113327563A (en) * | 2021-05-31 | 2021-08-31 | Tcl华星光电技术有限公司 | Control method of display panel, display device and storage medium |
CN113539165A (en) * | 2021-07-30 | 2021-10-22 | 合肥维信诺科技有限公司 | Gamma debugging method, device and equipment for display panel and storage medium |
CN114495816A (en) * | 2020-10-26 | 2022-05-13 | 深圳Tcl数字技术有限公司 | Display image adjusting method, terminal device and computer readable storage medium |
CN114898706A (en) * | 2022-05-18 | 2022-08-12 | 昆山国显光电有限公司 | Brightness compensation method and device of display screen and computer equipment |
US20240038121A1 (en) * | 2020-12-30 | 2024-02-01 | Tcl China Star Optoelectronics Technology Co., Ltd. | Overvoltage compensation method, overvoltage compensation device, and display panel |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006084729A (en) * | 2004-09-15 | 2006-03-30 | Nanao Corp | Luminance correction method and display system |
WO2013031867A1 (en) * | 2011-08-31 | 2013-03-07 | シャープ株式会社 | Display device and drive method for same |
CN103500566A (en) * | 2013-09-29 | 2014-01-08 | 京东方科技集团股份有限公司 | Display equipment and device and method for improving uneven display brightness |
CN103617776A (en) * | 2013-11-27 | 2014-03-05 | 广东威创视讯科技股份有限公司 | Method and system for adjusting display screen luminance uniformity |
CN105244007A (en) * | 2015-10-30 | 2016-01-13 | 青岛海信电器股份有限公司 | Method and device for generating gray scale correction table of curved surface display screen |
CN106782306A (en) * | 2017-01-24 | 2017-05-31 | 上海天马有机发光显示技术有限公司 | The brightness adjusting method and brightness control system of a kind of OLED display panel |
-
2018
- 2018-09-19 CN CN201811092968.6A patent/CN108962179B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006084729A (en) * | 2004-09-15 | 2006-03-30 | Nanao Corp | Luminance correction method and display system |
WO2013031867A1 (en) * | 2011-08-31 | 2013-03-07 | シャープ株式会社 | Display device and drive method for same |
CN103500566A (en) * | 2013-09-29 | 2014-01-08 | 京东方科技集团股份有限公司 | Display equipment and device and method for improving uneven display brightness |
CN103617776A (en) * | 2013-11-27 | 2014-03-05 | 广东威创视讯科技股份有限公司 | Method and system for adjusting display screen luminance uniformity |
CN105244007A (en) * | 2015-10-30 | 2016-01-13 | 青岛海信电器股份有限公司 | Method and device for generating gray scale correction table of curved surface display screen |
CN106782306A (en) * | 2017-01-24 | 2017-05-31 | 上海天马有机发光显示技术有限公司 | The brightness adjusting method and brightness control system of a kind of OLED display panel |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109637416A (en) * | 2019-01-07 | 2019-04-16 | 成都中电熊猫显示科技有限公司 | Method of adjustment, device and the equipment of panel luminance |
CN110288556A (en) * | 2019-07-04 | 2019-09-27 | 京东方科技集团股份有限公司 | A kind of image processing method and device, display equipment |
WO2021072652A1 (en) * | 2019-10-15 | 2021-04-22 | 京东方科技集团股份有限公司 | Halo improvement method and apparatus, and display |
US11610557B2 (en) | 2019-10-15 | 2023-03-21 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Method and apparatus for improving a halo, and display |
CN114495816A (en) * | 2020-10-26 | 2022-05-13 | 深圳Tcl数字技术有限公司 | Display image adjusting method, terminal device and computer readable storage medium |
US20240038121A1 (en) * | 2020-12-30 | 2024-02-01 | Tcl China Star Optoelectronics Technology Co., Ltd. | Overvoltage compensation method, overvoltage compensation device, and display panel |
CN112992065B (en) * | 2021-04-22 | 2022-04-15 | 昆山国显光电有限公司 | Brightness adjusting method and device for display panel and computer readable storage medium |
CN112992065A (en) * | 2021-04-22 | 2021-06-18 | 昆山国显光电有限公司 | Brightness adjusting method and device for display panel and computer readable storage medium |
CN113284469A (en) * | 2021-05-26 | 2021-08-20 | 深圳市华星光电半导体显示技术有限公司 | Brightness adjusting method, brightness adjusting device and electronic equipment |
CN113327563A (en) * | 2021-05-31 | 2021-08-31 | Tcl华星光电技术有限公司 | Control method of display panel, display device and storage medium |
CN113327563B (en) * | 2021-05-31 | 2022-07-12 | Tcl华星光电技术有限公司 | Control method of display panel, display device and storage medium |
WO2022252259A1 (en) * | 2021-05-31 | 2022-12-08 | Tcl华星光电技术有限公司 | Display panel control method and display device |
US20240013698A1 (en) * | 2021-05-31 | 2024-01-11 | Tcl China Star Optoelectronics Technology Co., Ltd. | Control method of display panel and display device |
CN113539165A (en) * | 2021-07-30 | 2021-10-22 | 合肥维信诺科技有限公司 | Gamma debugging method, device and equipment for display panel and storage medium |
CN113539165B (en) * | 2021-07-30 | 2023-04-07 | 合肥维信诺科技有限公司 | Gamma debugging method, device and equipment for display panel and storage medium |
CN114898706A (en) * | 2022-05-18 | 2022-08-12 | 昆山国显光电有限公司 | Brightness compensation method and device of display screen and computer equipment |
CN114898706B (en) * | 2022-05-18 | 2023-10-31 | 昆山国显光电有限公司 | Display screen brightness compensation method and device and computer equipment |
Also Published As
Publication number | Publication date |
---|---|
CN108962179B (en) | 2020-10-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108962179A (en) | The luminance regulating method and component of display panel, display device | |
CN107665684B (en) | Color Mura compensation method | |
CN108630148B (en) | Method for compensating brightness difference of display panel and display | |
CN105427788B (en) | Method and system for automatically adjusting brightness and chromaticity of display device | |
TWI610291B (en) | Liquid crystal display device and method of local dimming of the? liquid crystal display device | |
CN105244007B (en) | A kind of generation method and device of the grayscale correction chart of camber display screen | |
CN102855842B (en) | Method and device for displaying and controlling images | |
KR101330396B1 (en) | Display Device And Contrast Enhancement Method Thereof | |
US8442316B2 (en) | System and method for improving color and brightness uniformity of backlit LCD displays | |
CN101740002B (en) | Method of calcuating correction value and display device | |
WO2012114682A1 (en) | Display device and display method | |
RU2670252C1 (en) | Method for setting levels of green pixels on liquid crystal panel | |
CN108922481B (en) | Demura implementation method based on side viewing angle of liquid crystal display television | |
TWI525604B (en) | Apparatus and method for image analysis and image display | |
KR102324238B1 (en) | Inspection apparatus of inspecting mura defects and method of driving the same | |
CN111402827B (en) | LCD spliced screen correction method, device and system and control system | |
KR102426747B1 (en) | Liquid crystal display apparatus and method for driving the same | |
KR102180683B1 (en) | Method of displaying an image, display apparatus performing the same, method of calculating a correction value applied to the same and method of correcting gray data | |
US10339881B1 (en) | Method of acquiring overdrive look-up table of liquid crystal display | |
TW201546781A (en) | Apparatus and method for image analysis and image display | |
WO2022134731A1 (en) | Compensation method and device for display panel | |
CN108898987B (en) | Gray scale conversion method, gray scale conversion device and display device | |
CN109767728A (en) | The compensation method of OLED display device screen intensity | |
WO2024001502A1 (en) | Screen display method, screen display apparatus, electronic device, program and medium | |
CN105702231B (en) | A kind of acquisition pixel intensity compensation mesh calibration method |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 |