CN110136631A - Display device shows the method for adjustment of picture - Google Patents
Display device shows the method for adjustment of picture Download PDFInfo
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- CN110136631A CN110136631A CN201910557239.1A CN201910557239A CN110136631A CN 110136631 A CN110136631 A CN 110136631A CN 201910557239 A CN201910557239 A CN 201910557239A CN 110136631 A CN110136631 A CN 110136631A
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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
- G09G3/2003—Display of colours
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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
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0271—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping
- G09G2320/0276—Adjustment of the gradation levels within the range of the gradation scale, e.g. by redistribution or clipping for the purpose of adaptation to the characteristics of a display device, i.e. gamma correction
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- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Processing Of Color Television Signals (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The present invention provides a kind of method of adjustment of display device display picture.Display device of the invention shows that the method for adjustment of picture obtains the color exception region in display device display picture, and obtain the corresponding actual gray range of three kinds of colors of red, green, blue in color exception region, determine the abnormal color in color exception region, adjustment grey-scale range is obtained according to the corresponding actual gray range of abnormal color, then the brightness of grayscale in the corresponding adjustment grey-scale range of display device is adjusted, to eliminate the color exception region in display picture, it is able to ascend the display quality of display device.
Description
Technical field
The present invention relates to the methods of adjustment that field of display technology more particularly to a kind of display device show picture.
Background technique
In field of display technology, liquid crystal display device (Liquid Crystal Display, LCD), organic light-emitting diodes
The panel display apparatus such as tube display device (Organic Light Emitting Display, OLED) gradually replace cathode
Ray tube (Cathode Ray Tube, CRT) display device.Liquid crystal display device has thin fuselage, power saving, radiationless etc. numerous
Advantage is widely used.
Liquid crystal display device on existing market is largely backlight liquid crystal display device comprising liquid crystal display panel
And backlight module (backlight module).Usual liquid crystal display panel is by color film (Color Filter, CF) substrate, film
Transistor (Thin Film Transistor, TFT) array substrate is sandwiched between color membrane substrates and thin-film transistor array base-plate
Liquid crystal (Liquid Crystal, LC) and sealing glue frame (Sealant) composition.The working principle of liquid crystal display panel is two
Place liquid crystal molecule in the parallel glass substrate of piece, there are many tiny electric wire vertically and horizontally among two panels glass substrate,
Liquid crystal molecule is controlled whether by being powered and changes direction, and the light refraction of backlight module is come out and generates picture.
OLED according to driving method can be divided into passive matrix OLED (Passive Matrix OLED, PMOLED) and
Active array type OLED (Active Matrix OLED, AMOLED) two major classes, i.e. directly addressing and film transistor matrix are sought
Two class of location.Wherein, AMOLED has the pixel in array arrangement, belongs to active display type, and luminous efficacy is high, is typically used as
Large scale display device high-definition.OLED device generally includes: substrate, the anode on substrate, on anode
Hole injection layer, the luminescent layer on hole transmission layer, is set on luminescent layer the hole transmission layer on hole injection layer
Electron transfer layer, the electron injecting layer on electron transfer layer and the cathode on electron injecting layer.OLED device
Principle of luminosity is semiconductor material and luminous organic material under electric field driven, passes through carrier injection and composite guide photoluminescence.
Specifically, OLED device generallys use tin indium oxide (ITO) electrode and metal electrode respectively as the anode and cathode of device,
Under certain voltage driving, electrons and holes are injected into electron transfer layer and hole transmission layer from cathode and anode respectively, electronics and
Electron transfer layer is passed through in hole respectively and hole transmission layer moves to luminescent layer, and meets in luminescent layer, forms exciton and makes
Light emitting molecule excitation, the latter issue visible light by radiative relaxation.
Existing display device will appear the region of color exception in display in picture when showing certain pictures, such as
Blue abnormal area makes its display taste decline, reduces the quality of display device, it is necessary to propose that a kind of display device is shown
The method of adjustment of picture, to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide the methods of adjustment that a kind of display device shows picture, are able to ascend display device
Display quality.
To achieve the above object, the present invention provides a kind of method of adjustment of display device display picture, includes the following steps:
Step S1, display device is provided；
Step S2, display device progress picture is shown, obtains the color exception region in display picture；
Step S3, the corresponding actual gray range of three kinds of colors of red, green, blue in color exception region is obtained；
Step S4, determine the abnormal color in color exception region；It is obtained according to the corresponding actual gray range of abnormal color
Adjust grey-scale range；
Step S5, the brightness of grayscale in the corresponding adjustment grey-scale range of display device is adjusted, to eliminate display picture
In color exception region.
In the step S2, the detailed process in the color exception region in display picture is obtained are as follows: will show picture and one
Target picture is compared to obtain the color exception region in display picture, shows the color exception region in picture and target
The color difference of corresponding reference zone or luminance difference exceed preset deviation range in picture.
In the step S4, if the quantity of abnormal color is one, by the corresponding actual gray of an abnormal color
Range is as adjustment grey-scale range；If the quantity of abnormal color be it is multiple, by actual gray corresponding in multiple abnormal colors
Actual gray range corresponding to the maximum abnormal color of range is as adjustment grey-scale range.
The display device is stored with multiple white balance parameter groups, each white balance parameter group is corresponding with a grayscale, often
One white balance parameter group includes three white balance parameters, and three white balance parameters are right with red, green and blue respectively
It answers.
The step S5 specifically: to corresponding to the grayscale in adjustment grey-scale range in white balance parameter group with choose face
The corresponding white balance parameter of color is adjusted, so that the corresponding driving voltage of grayscale in adjustment grey-scale range is controlled, thus right
The brightness of grayscale is adjusted in the corresponding adjustment grey-scale range of display device, to eliminate the color exception region in display picture.
In the step S5, by corresponding to the grayscale in adjustment grey-scale range in white balance parameter group with choose face
The corresponding white balance parameter of color is increased, to increase the corresponding driving voltage of grayscale in adjustment grey-scale range, to increase
Add the brightness of grayscale in the corresponding adjustment grey-scale range of display device；By to white flat corresponding to the grayscale in adjustment grey-scale range
White balance parameter corresponding with getting colors is reduced in weighing apparatus parameter group, so that the grayscale reduced in adjustment grey-scale range is corresponding
Driving voltage, to reduce the brightness of grayscale in the corresponding adjustment grey-scale range of display device.
The step S5 specifically: red to the correspondence in white balance parameter group corresponding to the grayscale in adjustment grey-scale range
The white balance parameter of color, green and blue is adjusted, to control the corresponding driving electricity of grayscale in adjustment grey-scale range
Pressure, to be adjusted to the brightness of grayscale in the corresponding adjustment grey-scale range of display device, to eliminate the color in display picture
Abnormal area.
In the step S5, by red to the correspondence in white balance parameter group corresponding to the grayscale in adjustment grey-scale range
The white balance parameter of color, green and blue is increased, to increase the corresponding driving electricity of grayscale in adjustment grey-scale range
Pressure, to increase the brightness of grayscale in the corresponding adjustment grey-scale range of display device；By to the grayscale institute in adjustment grey-scale range
The white balance parameter of corresponding red, green and blue in corresponding white balance parameter group is reduced, to reduce adjustment
The corresponding driving voltage of grayscale in grey-scale range, to reduce the brightness of grayscale in the corresponding adjustment grey-scale range of display device.
The display device is stored with that multiple corresponding driving voltages are adjustable to tie up a grayscale；
The step S5 specifically: carried out to the corresponding driving voltage of a grayscale is tied up with adjacent two of adjustment grey-scale range
Adjustment, so that the corresponding driving voltage of grayscale in adjustment grey-scale range is controlled, thus to the corresponding adjustment grayscale model of display device
The brightness for enclosing interior grayscale is adjusted, to eliminate the color exception region in display picture.
In the step S5, by carrying out to tying up the corresponding driving voltage of a grayscale with adjacent two of adjustment grey-scale range
Increase, to increase the corresponding driving voltage of grayscale in adjustment grey-scale range, to increase the corresponding adjustment grayscale of display device
The brightness of grayscale in range；By subtracting to tying up the corresponding voltage of tying up of a grayscale with adjacent two of adjustment grey-scale range
It is small, to reduce the corresponding driving voltage of grayscale in adjustment grey-scale range, to reduce the corresponding adjustment grayscale model of display device
Enclose the brightness of interior grayscale.
Beneficial effects of the present invention: display device of the invention shows that the method for adjustment of picture obtains display device and shows picture
Color exception region in face, and the corresponding actual gray range of three kinds of colors of red, green, blue in color exception region is obtained, sentence
Determine the abnormal color in color exception region, obtains adjustment grey-scale range according to the corresponding actual gray range of abnormal color, then
The brightness of grayscale in the corresponding adjustment grey-scale range of display device is adjusted, to eliminate the color exception area in display picture
Domain is able to ascend the display quality of display device.
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 for the method for adjustment that display device of the invention shows picture；
Fig. 2 is that display device of the invention shows the grayscale of display device and the relationship of gamma value in the method for adjustment of picture
Curve graph.
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 method of adjustment of display device display picture, include the following steps:
Step S1, display device is provided.
Specifically, the display device is stored with multiple white balance parameter groups, each white balance parameter group and a grayscale
Corresponding, each white balance parameter group includes three white balance parameters, three white balance parameters respectively with red, green and
Blue is corresponding.
Specifically, the display device is also stored with that multiple corresponding driving voltages are adjustable to tie up a grayscale.
Step S2, display device progress picture is shown, obtains the color exception region in display picture.
Specifically, in the step S2, the detailed process in the color exception region in display picture is obtained are as follows: will show picture
Face is compared to obtain the color exception region in display picture with a target picture, shows the color exception region in picture
The color difference or luminance difference of reference zone corresponding with target picture exceed preset deviation range.
Step S3, the corresponding actual gray range of three kinds of colors of red, green, blue in color exception region is obtained.
Step S4, determine the abnormal color in color exception region.It is obtained according to the corresponding actual gray range of abnormal color
Adjust grey-scale range.
Specifically, in the step S4, if the quantity of abnormal color is one, by the corresponding reality of an abnormal color
Border grey-scale range is as adjustment grey-scale range.If the quantity of abnormal color be it is multiple, by reality corresponding in multiple abnormal colors
Actual gray range corresponding to the maximum abnormal color of border grey-scale range is as adjustment grey-scale range.
Step S5, the brightness of grayscale in the corresponding adjustment grey-scale range of display device is adjusted, to eliminate display picture
In color exception region.
Specifically, in the first embodiment of the present invention, by the corresponding white balance of abnormal color in the step S5
Parameter is adjusted to eliminate color exception region, the step S5 specifically: to corresponding to the grayscale in adjustment grey-scale range
White balance parameter group in white balance parameter corresponding with getting colors be adjusted, thus control adjustment grey-scale range in ash
The corresponding driving voltage of rank, so that the brightness of grayscale in the corresponding adjustment grey-scale range of display device is adjusted, it is aobvious to eliminate
Show the color exception region in picture.Such mode can eliminate the color exception region of display picture, but be not to red green
The corresponding white balance parameter of blue three-color is adjusted simultaneously, easily causes colour cast risk.
Further, in the first embodiment of the present invention, in the step S5, by the ash in adjustment grey-scale range
White balance parameter corresponding with getting colors is increased in white balance parameter group corresponding to rank, to increase adjustment grayscale model
The interior corresponding driving voltage of grayscale is enclosed, to increase the brightness of grayscale in the corresponding adjustment grey-scale range of display device；By right
White balance parameter corresponding with getting colors is reduced in white balance parameter group corresponding to grayscale in adjustment grey-scale range,
To reduce the corresponding driving voltage of grayscale in adjustment grey-scale range, to reduce in the corresponding adjustment grey-scale range of display device
The brightness of grayscale.
Specifically, in order to avoid colour cast risk, in the second embodiment of the present invention, by red green in the step S5
The white balance parameter of blue three-color is adjusted simultaneously to eliminate color exception region, the step S5 specifically: to adjustment
The white balance parameter of corresponding red, green and blue in white balance parameter group corresponding to grayscale in grey-scale range carries out
Adjustment, so that the corresponding driving voltage of grayscale in adjustment grey-scale range is controlled, thus to the corresponding adjustment grayscale model of display device
The brightness for enclosing interior grayscale is adjusted, to eliminate the color exception region in display picture.
Further, in the second embodiment of the present invention, in the step S5, by the ash in adjustment grey-scale range
The white balance parameter of corresponding red, green and blue in white balance parameter group corresponding to rank is increased, to increase
The corresponding driving voltage of grayscale in grey-scale range is adjusted, to increase the bright of grayscale in the corresponding adjustment grey-scale range of display device
Degree；By to corresponding red, green and blue white in white balance parameter group corresponding to the grayscale in adjustment grey-scale range
Balance parameters are reduced, to reduce the corresponding driving voltage of grayscale in adjustment grey-scale range, to reduce display dress
Set the brightness of grayscale in corresponding adjustment grey-scale range.
Specifically, in order to avoid colour cast risk, in the third embodiment of the present invention, by exception in the step S5
The driving voltage of the adjacent gamma grayscale of the corresponding adjustment grey-scale range of color is adjusted to eliminate color exception region, the step
Rapid S5 specifically: be adjusted to the corresponding driving voltage of a grayscale is tied up with adjacent two of adjustment grey-scale range, to control
The corresponding driving voltage of grayscale in grey-scale range is adjusted, thus the brightness to grayscale in the corresponding adjustment grey-scale range of display device
It is adjusted, to eliminate the color exception region in display picture.
Further, in the third embodiment of the present invention, in the step S5, by adjacent with adjustment grey-scale range
Two tie up the corresponding driving voltage of a grayscale and increased, so that the corresponding driving of grayscale increased in adjustment grey-scale range is electric
Pressure, to increase the brightness of grayscale in the corresponding adjustment grey-scale range of display device；By to adjacent with adjustment grey-scale range two
A corresponding driving voltage of a grayscale of tying up is reduced, thus reduce the corresponding driving voltage of grayscale in adjustment grey-scale range,
To reduce the brightness of grayscale in the corresponding adjustment grey-scale range of display device.
It should be noted that display device of the invention shows that the method for adjustment of picture shows picture by obtaining display device
Color exception region in face, and the corresponding actual gray range of three kinds of colors of red, green, blue in color exception region is obtained, determine
The abnormal color in color exception region obtains adjustment grey-scale range according to the corresponding actual gray range of abnormal color, then leads to
Cross adjustment abnormal color white balance parameter mode or by adjusting three kinds of colors of RGB white balance parameter mode,
Or by adjusting the adjacent gamma grayscale of adjustment grey-scale range corresponding with abnormal color driving voltage mode to display device
The brightness of grayscale is adjusted in corresponding adjustment grey-scale range, to eliminate the color exception region in display picture, meanwhile, it please join
Fig. 2 is read, slightly above carries out showing after step S5 although carrying out display device corresponding gamma value in low ash rank before step S5
Showing device corresponding gamma value in low ash rank, but the variation of gamma value entirety is little, display device before progress step S5
Gamma value is generally 2.21 or so, and the gamma value for carrying out the rear indicator of step S5 is generally 2.22 or so, will not be to display
Quality has an impact, thus, display device of the invention shows that the method for adjustment of picture can be obviously improved the aobvious of display device
Show quality.
In conclusion display device of the invention shows that the method for adjustment of picture obtains the face in display device display picture
Color anomaly region, and the corresponding actual gray range of three kinds of colors of red, green, blue in color exception region is obtained, determine that color is different
The abnormal color in normal region obtains adjustment grey-scale range according to the corresponding actual gray range of abnormal color, then fills to display
The brightness for setting grayscale in corresponding adjustment grey-scale range is adjusted, to eliminate the color exception region in display picture, Neng Gouti
Rise the display quality of display device.
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. the method for adjustment that a kind of display device shows picture, which comprises the steps of:
Step S1, display device is provided；
Step S2, display device progress picture is shown, obtains the color exception region in display picture；
Step S3, the corresponding actual gray range of three kinds of colors of red, green, blue in color exception region is obtained；
Step S4, determine the abnormal color in color exception region；Adjustment is obtained according to the corresponding actual gray range of abnormal color
Grey-scale range；
Step S5, the brightness of grayscale in the corresponding adjustment grey-scale range of display device is adjusted, to eliminate in display picture
Color exception region.
2. the method for adjustment that display device as described in claim 1 shows picture, which is characterized in that in the step S2, obtain
Take the detailed process in the color exception region in display picture are as follows: be compared display picture to obtain and show with a target picture
Show the color exception region in picture, shows color exception region in picture and the color of reference zone corresponding in target picture
Difference or luminance difference exceed preset deviation range.
3. the method for adjustment that display device as described in claim 1 shows picture, which is characterized in that in the step S4, if
The quantity of abnormal color is one, then using the corresponding actual gray range of an abnormal color as adjustment grey-scale range；If
The quantity of abnormal color be it is multiple, then by actual gray range corresponding in multiple abnormal colors maximum abnormal color institute
Corresponding actual gray range is as adjustment grey-scale range.
4. the method for adjustment that display device as described in claim 1 shows picture, which is characterized in that the display device storage
There are multiple white balance parameter groups, each white balance parameter group is corresponding with a grayscale, each white balance parameter group includes three
A white balance parameter, three white balance parameters are corresponding with red, green and blue respectively.
5. the method for adjustment that display device as claimed in claim 4 shows picture, which is characterized in that the step S5 is specific
Are as follows: white balance parameter corresponding with getting colors in white balance parameter group corresponding to the grayscale in adjustment grey-scale range is carried out
Adjustment, so that the corresponding driving voltage of grayscale in adjustment grey-scale range is controlled, thus to the corresponding adjustment grayscale model of display device
The brightness for enclosing interior grayscale is adjusted, to eliminate the color exception region in display picture.
6. the method for adjustment that display device as claimed in claim 5 shows picture, which is characterized in that in the step S5, lead to
It crosses and white balance parameter corresponding with getting colors in white balance parameter group corresponding to the grayscale in adjustment grey-scale range is carried out
Increase, to increase the corresponding driving voltage of grayscale in adjustment grey-scale range, to increase the corresponding adjustment grayscale of display device
The brightness of grayscale in range；By to corresponding to the grayscale in adjustment grey-scale range in white balance parameter group with get colors pair
The white balance parameter answered is reduced, to reduce the corresponding driving voltage of grayscale in adjustment grey-scale range, to reduce aobvious
The brightness of grayscale in the corresponding adjustment grey-scale range of showing device.
7. the method for adjustment that display device as claimed in claim 4 shows picture, which is characterized in that the step S5 is specific
Are as follows: to the white balance of corresponding red, green and blue in white balance parameter group corresponding to the grayscale in adjustment grey-scale range
Parameter is adjusted, so that the corresponding driving voltage of grayscale in adjustment grey-scale range is controlled, thus corresponding to display device
The brightness of grayscale is adjusted in adjustment grey-scale range, to eliminate the color exception region in display picture.
8. the method for adjustment that display device as claimed in claim 7 shows picture, which is characterized in that in the step S5, lead to
Cross the white balance ginseng to corresponding red, green and blue in white balance parameter group corresponding to the grayscale in adjustment grey-scale range
Number is increased, to increase the corresponding driving voltage of grayscale in adjustment grey-scale range, so that it is corresponding to increase display device
Adjust the brightness of grayscale in grey-scale range；By to pair in white balance parameter group corresponding to the grayscale in adjustment grey-scale range
The white balance parameter of red, green and blue is answered to be reduced, to reduce the corresponding drive of grayscale in adjustment grey-scale range
Dynamic voltage, to reduce the brightness of grayscale in the corresponding adjustment grey-scale range of display device.
9. the method for adjustment that display device as described in claim 1 shows picture, which is characterized in that the display device storage
There is multiple corresponding driving voltages are adjustable to tie up a grayscale；
The step S5 specifically: adjusted to the corresponding driving voltage of a grayscale is tied up with adjacent two of adjustment grey-scale range
It is whole, so that the corresponding driving voltage of grayscale in adjustment grey-scale range is controlled, thus to the corresponding adjustment grey-scale range of display device
The brightness of interior grayscale is adjusted, to eliminate the color exception region in display picture.
10. the method for adjustment that display device as claimed in claim 9 shows picture, which is characterized in that in the step S5, lead to
It crosses and increases to tying up the corresponding driving voltage of a grayscale with adjacent two of adjustment grey-scale range, to increase adjustment grayscale model
The interior corresponding driving voltage of grayscale is enclosed, to increase the brightness of grayscale in the corresponding adjustment grey-scale range of display device；By right
It ties up the corresponding driving voltage of a grayscale with adjacent two of adjustment grey-scale range to be reduced, to reduce in adjustment grey-scale range
The corresponding driving voltage of grayscale, to reduce the brightness of grayscale in the corresponding adjustment grey-scale range of display device.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111968590A (en) * | 2020-08-12 | 2020-11-20 | Tcl华星光电技术有限公司 | Picture display adjusting method and device, storage medium and display equipment |
| CN112992036A (en) * | 2021-02-26 | 2021-06-18 | 北海惠科光电技术有限公司 | Display panel driving method and device and display equipment |
| US11114051B1 (en) | 2020-08-12 | 2021-09-07 | Tcl China Star Optoelectronics Technology Co., Ltd. | Method, storage medium and display device for adjusting a displayed image |
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