CN109147702A - A kind of the coloration adjusting method and device of display panel - Google Patents
A kind of the coloration adjusting method and device of display panel Download PDFInfo
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- CN109147702A CN109147702A CN201811115250.4A CN201811115250A CN109147702A CN 109147702 A CN109147702 A CN 109147702A CN 201811115250 A CN201811115250 A CN 201811115250A CN 109147702 A CN109147702 A CN 109147702A
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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
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3607—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 for displaying colours or for displaying grey scales with a specific pixel layout, e.g. using sub-pixels
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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
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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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
- G09G2320/06—Adjustment of display parameters
- G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
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- Crystallography & Structural Chemistry (AREA)
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- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses the coloration adjusting methods and device of a kind of display panel, and by measuring the current white point chromaticity coordinates value of each display panel, and the white point chromaticity coordinates value of each display panel obtained according to measurement determines target white point chromaticity coordinates value；According to the current white point chromaticity coordinates value of each display panel and target white point chromaticity coordinates value, successively adjust the initial data voltage of each color sub-pixels of each display panel, the difference of white point chromaticity coordinates value and target white point chromaticity coordinates value after adjusting each display panel is less than the first preset value, and using the data voltage after adjusting as the normal data voltage of each color sub-pixels of each display panel.By the adjusting of the data voltage of the sub-pixel of each color to each display panel, so that the coloration of each display panel after adjusting is of substantially equal with target white point chromaticity coordinates value, the coloration consistency of each display panel is improved.
Description
Technical field
The present invention relates to field of display technology more particularly to the coloration adjusting methods and device of a kind of display panel.
Background technique
In field of display technology, liquid crystal display panel (Liquid Crystal Display, abbreviation LCD) has been substituted yin
Extreme ray pipe (Cathode Ray Tube, abbreviation CRT) display device.Liquid crystal display panel have fuselage it is thin, it is low in energy consumption, without spoke
Equal many merits are penetrated, are widely applied in display field.
The coloration of liquid crystal display panel is to measure the important indicator of display property, and the backlight of display device and color film become certainly
The principal element of fixation degree.Wish that the coloration of the display panel of same batch production can be completely the same in the ideal situation, but
It is that in the actual production process, although production technology is identical, the coloration with batch product can still be led there is certain difference
Cause the chromaticity index of product inconsistent.It is, therefore, desirable to provide a kind of coloration adjusting method, to improve the coloration one of each display panel
Cause property.
Summary of the invention
The present invention provides the coloration adjusting methods and device of a kind of display panel, to adjust the coloration of display panel,
Improve the coloration consistency with each display panel of batch.
In a first aspect, the present invention provides a kind of coloration adjusting method of display panel, comprising:
Measure the current white point chromaticity coordinates value of each display panel, and the white point of each display panel obtained according to measurement
Chromaticity coordinates value determines target white point chromaticity coordinates value；
According to the current white point chromaticity coordinates value of each display panel and the target white point chromaticity coordinates value, successively adjust
The initial data voltage of each color sub-pixels of each display panel, the white point chromaticity coordinates after adjusting each display panel
It is worth the difference with the target white point chromaticity coordinates value less than the first preset value, and using the data voltage after adjusting as each described aobvious
Show the normal data voltage of each color sub-pixels of panel.
In one possible implementation, in the above method provided by the invention, the display panel includes red
Sub-pixel, green sub-pixels and blue subpixels；
The white point chromaticity coordinates value current according to each display panel and the target white point chromaticity coordinates value, successively
Adjust the initial data voltage of each color sub-pixels of each display panel, comprising:
It is greater than the target white point chromaticity coordinates value, and the display surface in the current white point chromaticity coordinates value of the display panel
When the difference of the current white point chromaticity coordinates value of plate and the target white point chromaticity coordinates value is greater than first preset value, described in determination
Whether the data voltage of the blue subpixels of display panel has reached maximum value；
When the data voltage of the blue subpixels is not up to maximum value, increase the data electricity of the blue subpixels
Pressure；
When the data voltage of the blue subpixels reaches maximum value, reduce red sub-pixel and green sub-pixels
Data voltage；
It is less than the target white point chromaticity coordinates value, and the display surface in the current white point chromaticity coordinates value of the display panel
When the difference of the current white point chromaticity coordinates value of plate and the target white point chromaticity coordinates value is greater than first preset value, described in determination
Whether the red sub-pixel of display panel and the data voltage of green sub-pixels reach maximum value；
When the data voltage of the red sub-pixel and the green sub-pixels reaches maximum value, reduce the indigo plant
The data voltage of sub-pixels；
At least a kind of data voltage of the sub-pixel of color in the red sub-pixel and the green sub-pixels
Not up to maximum value when, increase the son that data voltage in the red sub-pixel and the green sub-pixels is not up to maximum value
The data voltage of pixel.
In one possible implementation, in the above method provided by the invention, it is described according to measurement obtain it is each
The white point chromaticity coordinates value of the display panel determines target white point chromaticity coordinates value, comprising:
Maximum white point chromaticity coordinates value in each display panel is determined as the target white point chromaticity coordinates value；Alternatively,
Minimum white point chromaticity coordinates value in each display panel is determined as the target white point chromaticity coordinates value；Alternatively,
The average value of the white point chromaticity coordinates value of each display panel is determined as the target white point chromaticity coordinates value.
In one possible implementation, in the above method provided by the invention, further includes:
Each display panel for measuring the current maximum display brightness of each display panel, and being obtained according to measurement
Maximum display brightness determines target maximum display brightness；
The maximum display brightness and the target maximum display brightness worked as according to each display panel are successively adjusted each
The data voltage of each color sub-pixels of the display panel, maximum display brightness and institute after adjusting each display panel
State the white point chromaticity coordinates value after the difference of target maximum display brightness is adjusted less than the second preset value, and each display panel with
The difference of the target white point chromaticity coordinates value is less than first preset value.
In one possible implementation, in the above method provided by the invention, the display panel includes red
Sub-pixel, green sub-pixels and blue subpixels；
The maximum display brightness worked as according to each display panel and the target maximum display brightness, are successively adjusted
Save the data voltage of each color sub-pixels of each display panel, comprising:
It is greater than the target maximum display brightness, and the display surface in the current maximum display brightness of the display panel
When the difference of the current maximum display brightness of plate and the target maximum display brightness is greater than second preset value, reduce red
The data voltage of sub-pixel, green sub-pixels and blue subpixels；
It is less than the target maximum display brightness, and the display surface in the current maximum display brightness of the display panel
When the difference of the current maximum display brightness of plate and the target maximum display brightness is greater than second preset value, described in determination
Whether the data voltage of red sub-pixel, the green sub-pixels and the blue subpixels reaches maximum value；
At least a kind of son of color in the red sub-pixel, the green sub-pixels and the blue subpixels
When the data voltage of pixel is not up to maximum value, increase the red sub-pixel, the green sub-pixels and blue
Data voltage is not up to the data voltage of the sub-pixel of maximum value in pixel.
In one possible implementation, in the above method provided by the invention, it is described according to measurement obtain it is each
The maximum display brightness of the display panel determines target maximum display brightness, comprising:
The maximum value of the maximum display brightness of each display panel is determined as the target maximum display brightness；Or
Person,
The minimum value of the maximum display brightness of each display panel is determined as the target maximum display brightness；Or
Person,
The average value of the maximum display brightness of each display panel is determined as the target maximum display brightness.
Second aspect, the present invention provide a kind of coloration regulating device of display panel, comprising:
Determination unit for measuring the current white point chromaticity coordinates value of each display panel, and is obtained according to measurement each described
The white point chromaticity coordinates value of display panel determines target white point chromaticity coordinates value；
Unit is adjusted, for according to the current white point chromaticity coordinates value of each display panel and target white point color seat
Scale value successively adjusts the initial data voltage of each color sub-pixels of each display panel, adjusts each display panel
The difference of rear white point chromaticity coordinates value and the target white point chromaticity coordinates value is less than the first preset value, and by the data electricity after adjusting
Pressure is used as the corresponding normal data voltage of each white picture of display panel.
In one possible implementation, in above-mentioned apparatus provided by the invention, the adjusting unit is specifically used for
In the current white point chromaticity coordinates value of the display panel it is greater than the target white point chromaticity coordinates value, and the display panel is current
When the difference of white point chromaticity coordinates value and the target white point chromaticity coordinates value is greater than first preset value, the display panel is determined
The data voltages of blue subpixels whether have reached maximum value；Maximum value is not up in the data voltage of the blue subpixels
When, increase the data voltage of the blue subpixels；When the data voltage of the blue subpixels reaches maximum value, reduce red
The data voltage of sub-pixels and green sub-pixels；It is less than the target in the current white point chromaticity coordinates value of the display panel
White point chromaticity coordinates value, and the current white point chromaticity coordinates value and the difference of the target white point chromaticity coordinates value of the display panel is greater than
When first preset value, whether the data voltage of the red sub-pixel and green sub-pixels that determine the display panel reaches
To maximum value；When the data voltage of the red sub-pixel and the green sub-pixels reaches maximum value, described in reduction
The data voltage of blue subpixels；The sub- picture of at least a kind of color in the red sub-pixel and the green sub-pixels
When the data voltage of element is not up to maximum value, increases data voltage in the red sub-pixel and the green sub-pixels and do not reach
To the data voltage of the sub-pixel of maximum value.
In one possible implementation, in above-mentioned apparatus provided by the invention, the determination unit is also used to survey
The maximum for each display panel measuring the current maximum display brightness of each display panel, and being obtained according to measurement shows bright
It spends and determines target maximum display brightness；
The adjusting unit, the maximum display brightness for being also used to be worked as according to each display panel and the target are maximum
Display brightness successively adjusts the data voltage of each color sub-pixels of each display panel, adjusts each display panel
The difference of rear maximum display brightness and the target maximum display brightness is less than the second preset value, and each display panel tune
The difference of white point chromaticity coordinates value and the target white point chromaticity coordinates value after section is less than first preset value.
In one possible implementation, in above-mentioned apparatus provided by the invention, the adjusting unit is specifically used for
In the current maximum display brightness of the display panel it is greater than the target maximum display brightness, and the display panel is current
When the difference of maximum display brightness and the target maximum display brightness is greater than second preset value, reduction red sub-pixel,
The data voltage of green sub-pixels and blue subpixels；It is less than the mesh in the current maximum display brightness of the display panel
Maximum display brightness is marked, and the difference of the current maximum display brightness and the target maximum display brightness of the display panel is big
When second preset value, the data of the red sub-pixel, the green sub-pixels and the blue subpixels are determined
Whether voltage reaches maximum value；In the red sub-pixel, the green sub-pixels and the blue subpixels at least
When thering is a kind of data voltage of the sub-pixel of color to be not up to maximum value, increase the red sub-pixel, the green sub-pixels
And data voltage is not up to the data voltage of the sub-pixel of maximum value in the blue subpixels.
The present invention has the beneficial effect that:
The coloration adjusting method and device of display panel provided by the invention, by measuring the current white point of each display panel
Chromaticity coordinates value, and the white point chromaticity coordinates value of each display panel obtained according to measurement determines target white point chromaticity coordinates value；According to each
The current white point chromaticity coordinates value of display panel and target white point chromaticity coordinates value successively adjust each color picture of each display panel
The initial data voltage of element, white point chromaticity coordinates value and the difference of target white point chromaticity coordinates value after adjusting each display panel are less than
First preset value, and using the data voltage after adjusting as the normal data voltage of each color sub-pixels of each display panel.It is logical
The adjusting of the data voltage of the sub-pixel to each color of each display panel is crossed, so that the coloration of each display panel after adjusting is equal
It is of substantially equal with target white point chromaticity coordinates value, improve the coloration consistency of each display panel.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached drawing is briefly described, it should be apparent that, attached drawing described below is only some embodiments of the present 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 the structural schematic diagram of display device provided in an embodiment of the present invention；
Fig. 2 is chromaticity coordinates schematic diagram provided in an embodiment of the present invention；
Fig. 3 a is white point chromaticity coordinates Wx provided in an embodiment of the present invention and data voltage graph of relation；
Fig. 3 b is white point chromaticity coordinates Wy provided in an embodiment of the present invention and data voltage graph of relation；
Fig. 3 c is brightness provided in an embodiment of the present invention and data voltage graph of relation；
Fig. 4 is one of the flow chart of the coloration adjusting method of display panel provided in an embodiment of the present invention；
Fig. 5 is the two of the flow chart of the coloration adjusting method of display panel provided in an embodiment of the present invention；
Fig. 6 is the three of the flow chart of the coloration adjusting method of display panel provided in an embodiment of the present invention；
Fig. 7 is the four of the flow chart of the coloration adjusting method of display panel provided in an embodiment of the present invention；
Fig. 8 is the five of the flow chart of the coloration adjusting method of display panel provided in an embodiment of the present invention；
Fig. 9 is the six of the flow chart of the coloration adjusting method of display panel provided in an embodiment of the present invention；
Figure 10 a is the contrast curve chart of the white point chromaticity coordinates Wx of adjustment front and back；
Figure 10 b is the contrast curve chart of the white point chromaticity coordinates Wy of adjustment front and back；
Figure 10 c is the brightness contrast curve graph of adjustment front and back；
Figure 11 is the structural schematic diagram of the coloration regulating device of display panel provided in an embodiment of the present invention.
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 embodiments of the present invention, display panel can be the display panel in liquid crystal display device, as shown in Figure 1, liquid crystal
Display device may include backlight module 100 and the display panel 200 positioned at backlight module light emission side；Display panel 200, may be used also
It include: array substrate 201, color membrane substrates 202 and the liquid crystal layer between array substrate and color membrane substrates that be opposite and setting
203.In practical applications, color membrane substrates include the color film unit of multiple color, corresponding to each control unit in array substrate,
One sub-pixel unit is constituted by color film unit, control unit and corresponding liquid crystal layer.It can make under the control of the control unit
Liquid crystal molecule corresponding to each control unit deflects, so that the display brightness of pixel unit be made to change.Influence display
The principal element of the brightness of panel and coloration two indices is the emergent light of backlight module and the color of color film unit, but with it is each
The driving voltage of the unit of sub-pixel also has certain relationship.As shown in Fig. 2, being CIExy chromaticity coordinate schematic diagram, all is natural
Color can be showed with quantitative chromaticity coordinates, different colors shows as the certain point in chromaticity coordinates shown in FIG. 1.
Be with red, green and blue whole colors in triangle that vertex surrounds can with red, green and blue with
Different ratio hybrid representations.In addition, the white W with maximum brightness generally can be set in red R, green G and blue
Mixing in maximum brightness obtains, and white W is usually in the triangle surrounded with red R, green G and blue for vertex
Middle line intersection point near.
After display device production, backlight module and color film unit can not be replaced again, however even if with batch life
The white point chromaticity coordinates of the display panel of production still has difference, therefore in the present invention is implemented, using finely tune each red sub-pixel,
The mode of the data voltage of green sub-pixels and blue subpixels is adjusted the coloration of display panel, so that each display surface
The coloration of plate reaches same level, improves with batch display panel coloration homogeneity.
As shown in Fig. 3 a- Fig. 3 c, for white point chromaticity coordinates (Wx, Wy) and maximum display brightness and the data electricity of display panel
The relation curve of pressure.As shown in Figure 3a and Figure 3b shows, with the reduction of the data voltage of red sub-pixel R, the decline of Wx coordinate is obvious,
Wy is declined, but trend is more slow；With the reduction of the data voltage of green sub-pixels G, the decline of Wy coordinate is obvious, and Wx has
Declined, but trend is more slow；And the reduction of the data voltage with blue subpixels B, Wx coordinate and Wy coordinate have it is bright
Aobvious increases；And the data voltage of red sub-pixel R, green sub-pixels G and blue subpixels B are to the effect tendency of brightness
Consistent, the maximum display brightness of display panel is with the data of red sub-pixel R, green sub-pixels G, blue subpixels B
The increase of voltage and increase.Wherein influence of the data voltage of green sub-pixels G to brightness is the most significant, blue subpixels B's
Influence of the data voltage to brightness is minimum.
According to the above-mentioned relation of the data voltage of the sub-pixel of different colours and display floater white point chromaticity coordinates, the present invention is real
It applies example and a kind of coloration adjusting method of display panel is provided, for carrying out homogenization adjustment with the coloration with batch each display panel.
As shown in figure 4, the specific embodiment of the invention additionally provides a kind of coloration adjusting method of display panel, comprising:
The current white point chromaticity coordinates value of S10, each display panel of measurement, and the white point of each display panel obtained according to measurement
Chromaticity coordinates value determines target white point chromaticity coordinates value；
S20, according to the current white point chromaticity coordinates value of each display panel and target white point chromaticity coordinates value, successively adjust each aobvious
The initial data voltage for showing each color sub-pixels of panel, white point chromaticity coordinates value and target white point after adjusting each display panel
The difference of chromaticity coordinates value is less than the first preset value, and using the data voltage after adjusting as each color sub-pixels of each display panel
Normal data voltage.
Above-mentioned coloration adjusting method provided in an embodiment of the present invention, by measuring the current white point chromaticity coordinates of each display panel
Value, determines suitable target white point chromaticity coordinates value according to the white point chromaticity coordinates value of each display panel of same batch, and successively adjust
The data voltage of each color sub-pixels of each display panel, so that the white point chromaticity coordinates value and target after the adjusting of each display panel are white
The difference of point chromaticity coordinates value is less than the first preset value.First preset value can be those skilled in the art as obtained by many experiments
The empirical value arrived, and the value very little through a preset value under normal conditions, so that with the white point of each display panel of batch
Chromaticity coordinates value is of substantially equal, improves the coloration homogeneity of each display panel.
Display panel generally includes red sub-pixel, green sub-pixels and blue subpixels, this hair has embodiment with aobvious
Show that panel includes being illustrated in case where above-mentioned three sub-pixel to specific adjusting method.In practical applications, it shows
Panel is also possible that the sub-pixel of other colors, and these other colors can also generally pass through red, green and blue
It is mixed to form by different ratios, therefore provided in an embodiment of the present invention by adjusting red sub-pixel, green sub-pixels
And the mode of the data voltage of blue subpixels influence display panel coloration method applicability it is the most extensive.
Specifically, in above-mentioned step S20, according to each display panel current white point chromaticity coordinates value and target white point
Chromaticity coordinates value successively adjusts the initial data voltage of each color sub-pixels of each display panel, may include it is as shown in Figure 5 with
Lower step:
S200, the relationship for determining display panel current white point chromaticity coordinates value and target white point chromaticity coordinates value；In display surface
The current white point chromaticity coordinates value of plate be greater than target white point chromaticity coordinates value, and display panel it is current white point chromaticity coordinates value and target it is white
When the difference of point chromaticity coordinates value is greater than the first preset value, step S201 is executed；It is small in the current white point chromaticity coordinates value of display panel
In target white point chromaticity coordinates value, and the difference of the current white point chromaticity coordinates value and target white point chromaticity coordinates value of display panel is greater than the
When one preset value, step S204 is executed；
S201, determine whether the data voltage of the blue subpixels of display panel has reached maximum value；Determining blue
When the data voltage of pixel is not up to maximum value, step S202 is executed, reaches maximum in the data voltage for determining blue subpixels
When value, step S203 is executed；
S202, the data voltage for increasing blue subpixels；
S203, the data voltage for reducing red sub-pixel and green sub-pixels.
Whether the data voltage of S204, the red sub-pixel for determining display panel and green sub-pixels reach maximum
Value；When the data voltage of red sub-pixel and green sub-pixels reaches maximum value, step S205 is executed；In red sub- picture
When at least a kind of data voltage of the sub-pixel of color is not up to maximum value in element and green sub-pixels, step is executed
S206；
S205, the data voltage for reducing blue subpixels；
S206, increase the data that data voltage in red sub-pixel and green sub-pixels is not up to the sub-pixel of maximum value
Voltage.
Under normal conditions the current white point chromaticity coordinates value of display panel relative to target white point chromaticity coordinates value there are bigger than normal or
Two kinds of situations less than normal.For both of these case, the embodiment of the present invention display panel current white point chromaticity coordinates value relative to mesh
When mark white point chromaticity coordinates value is bigger than normal, the data voltage for increasing blue subpixels is considered first.By above-mentioned Principles of Regulation it is found that increasing
The data voltage of BigBlue sub-pixel, or the data voltage of reduction red sub-pixel, green sub-pixels can achieve reduction
The purpose of white point chromaticity coordinates value, but the data voltage of reduction red sub-pixel, green sub-pixels can reduce the bright of display panel
Degree, therefore in embodiments of the present invention, for said circumstances, the data voltage for reducing blue subpixels is considered first.Similarly,
The embodiment of the present invention display panel current white point chromaticity coordinates value relative to target white point chromaticity coordinates value this situation less than normal, it is first
The first data voltage of consideration increase red sub-pixel and green sub-pixels, and the data voltage of non-reduced blue subpixels.And
During practical adjustments, the data voltage of red sub-pixel and green sub-pixels may have reached the maximum value, cannot again into
Row, which increases, to be adjusted, therefore in embodiments of the present invention, is increased data voltage in red sub-pixel and green sub-pixels and is not up to most
The data voltage for the sub-pixel being worth greatly.
Wherein, in above-mentioned steps S206, increase data voltage in red sub-pixel and green sub-pixels and be not up to most
The data voltage for the sub-pixel being worth greatly may include following steps as shown in FIG. 6:
S2061, determine whether the data voltage of red sub-pixel and green sub-pixels is not up to maximum value；In red son
When the data voltage of pixel and green sub-pixels is not up to maximum value, step S2062 is executed；In the data of red sub-pixel
Voltage is not up to maximum value, when the data voltage of green sub-pixels reaches maximum value, executes step S2063；In red sub-pixel
Data voltage reach maximum value, when the data voltage of green sub-pixels is not up to maximum value, execute step S2064；
S2062, the data voltage for increasing red sub-pixel and green sub-pixels；
S2063, the data voltage for increasing red sub-pixel；
S2064, the data voltage for increasing green sub-pixels.
It will be appreciated that the data voltage for increasing red sub-pixel and green sub-pixels simultaneously is red compared to individually increasing
The data voltage of sub-pixels or green sub-pixels can increase the brightness of display panel to a greater degree.Therefore it is being embodied
When, it can first determine that whether the data voltage of red sub-pixel and green sub-pixels is not up to maximum value, and be judged as
When being, increase the data voltage of red sub-pixel and green sub-pixels.And work as in red sub-pixel and green sub-pixels wherein
One sub-pixel has reached maximum value, then increases that sub-pixel that maximum value is not up in red sub-pixel and green sub-pixels
Data voltage with achieve the purpose that improve display floater white point chromaticity coordinates value.
In the specific implementation, true according to the white point chromaticity coordinates value for measuring obtained each display panel in above-mentioned steps S10
Set the goal white point chromaticity coordinates value, may include:
Maximum white point chromaticity coordinates value in each display panel is determined as target white point chromaticity coordinates value；Alternatively,
Minimum white point chromaticity coordinates value in each display panel is determined as target white point chromaticity coordinates value；Alternatively,
The average value of the white point chromaticity coordinates value of each display panel is determined as target white point chromaticity coordinates value.
In the actual operation process, the standard of the display panel of different batches has differences, by same batch display panel
Coloration adjustment unanimously needs to select suitable target white point chromaticity coordinates value.It as described in the embodiments of the present invention, can be by each display surface
Maximum white point chromaticity coordinates value in plate is determined as target white point chromaticity coordinates value, can also be by the minimum white point color in each display panel
Coordinate value is determined as target white point chromaticity coordinates value, the average value of the white point chromaticity coordinates value of each display panel can also be determined as mesh
Mark white point chromaticity coordinates value.In addition to this, according to the different purposes of display panel, target white point can also be determined according to actual requirement
Chromaticity coordinates value, it is not limited here.
In practical applications, coloration and brightness are to measure two important indicators of display panel, in view of this, the present invention is real
The above method of example offer is applied after adjusting the coloration of display panel, can also further adjust the brightness of display panel.
As shown in fig. 7, the above method provided in an embodiment of the present invention, further includes:
The current maximum display brightness of S30, each display panel of measurement, and the maximum of each display panel obtained according to measurement
Display brightness determines target maximum display brightness；
S40, the maximum display brightness and target maximum display brightness worked as according to each display panel, successively adjust each display
The data voltage of each color sub-pixels of panel, the maximum display brightness after adjusting each display panel show bright with target maximum
The difference of degree is less than the second preset value, and the difference of the white point chromaticity coordinates value and target white point chromaticity coordinates value after the adjusting of each display panel
Value is less than the first preset value.
As described above, the sub-pixel of the maximum display brightness (i.e. white picture display brightness) of display panel with each color
The increase of data voltage and increase, reduce, root of the embodiment of the present invention with the reduction of the data voltage of the sub-pixel of each color
Achieve the purpose that the maximum display brightness for adjusting display panel by adjusting the data voltage of sub-pixel according to above-mentioned rule.It is worth note
Meaning not only influences whether the maximum display brightness of display panel in adjusting data voltage, and what is also affected is adjusted
White point chromaticity coordinates value, therefore also need the white point color in view of display panel to sit when adjusting the maximum display brightness of display panel
The difference of scale value, white point chromaticity coordinates value and target white point chromaticity coordinates value after adjusting display panel finally is default less than first
Value, the difference of maximum display brightness and target maximum display brightness after adjusting is less than the second preset value.Above-mentioned first preset value
Pass through the empirical value that many experiments obtain with the equal those skilled in the art of the second preset value, its specific value is not limited herein
It is fixed.
Further, in above-mentioned steps S40, the maximum display brightness and target maximum worked as according to each display panel are aobvious
Show brightness, successively adjust the data voltage of each color sub-pixels of each display panel, may include following steps shown in Fig. 8:
S400, the relationship for determining display panel current maximum display brightness and target maximum display brightness；In display surface
The current maximum display brightness of plate is greater than target maximum display brightness, and the current maximum display brightness of display panel and target are most
When the difference of big display brightness is greater than the second preset value, step S401 is executed；It is small in the current maximum display brightness of display panel
In target maximum display brightness, and the difference of the current maximum display brightness and target maximum display brightness of display panel is greater than the
When two preset values, step S402 is executed；
S401, the data voltage for reducing red sub-pixel, green sub-pixels and blue subpixels；
S402, determine whether the data voltage of red sub-pixel, green sub-pixels and blue subpixels reaches maximum
Value；At least a kind of data voltage of the sub-pixel of color is not in red sub-pixel, green sub-pixels and blue subpixels
When reaching maximum value, step S403 is executed；It is reached in the data voltage of red sub-pixel, green sub-pixels and blue subpixels
When to maximum value, step S404 is executed；
Data voltage is not up to maximum value in S403, increase red sub-pixel, green sub-pixels and blue subpixels
The data voltage of sub-pixel.
S404, determine that the display panel is substandard product.
Under normal conditions the current maximum display brightness of display panel relative to target maximum display brightness there are bigger than normal or
Two kinds of situations less than normal.For both of these case, the embodiment of the present invention display panel current maximum display brightness relative to mesh
When mark maximum display brightness is bigger than normal, by above-mentioned Principles of Regulation it is found that reducing red sub-pixel, green sub-pixels or the sub- picture of blue
The data voltage of element can achieve the purpose for reducing display panel maximum display brightness.It in embodiments of the present invention, can be simultaneously
Reduce the data voltage of red sub-pixel, green sub-pixels and blue subpixels, to reduce brightness regulation to adjusting before
Coloration produce bigger effect.And it is less than normal relative to target maximum display brightness in the current maximum display brightness of display panel
When, then need to increase the data voltage of red sub-pixel, green sub-pixels and blue subpixels.It in the specific implementation, can be with
First judge that the data voltage of the sub-pixel of which color is not up to maximum value, increase adjusting is carried out to it.And if red sub- picture
The data voltage of element, green sub-pixels and blue subpixels reaches maximum assorted, then illustrates that display panel can not continue to increase
The data voltage of sub-pixel, therefore it is also unable to reach target maximum display brightness, then the display panel is substandard product.
Wherein, in above-mentioned steps S403, data electricity in increase red sub-pixel, green sub-pixels and blue subpixels
Pressure is not up to the data voltage of the sub-pixel of maximum value, may include following steps as shown in Figure 9:
S4031, determine whether the data voltage of red sub-pixel, green sub-pixels and blue subpixels is not up to maximum
Value；When the data voltage of red sub-pixel, green sub-pixels and blue subpixels is not up to maximum value, step is executed
S4032；When the data voltage of only red sub-pixel is not up to maximum value, step S4033 is executed；In the number of only green sub-pixels
When being not up to maximum value according to voltage, step S4034 is executed；When the data voltage of only blue subpixels is not up to maximum value, hold
Row step S4035；Maximum value, the data of blue subpixels are not up in the data voltage of red sub-pixel and green sub-pixels
When voltage reaches maximum value, step S4036 is executed；Maximum is not up in the data voltage of red sub-pixel and blue subpixels
Value when the data voltage of green sub-pixels reaches maximum value, executes step S4037；In green sub-pixels and blue subpixels
Data voltage be not up to maximum value, when the data voltage of red sub-pixel reaches maximum value, execute step S4038；
S4032, the data voltage for increasing red sub-pixel, green sub-pixels and blue subpixels；
S4033, the data voltage for increasing red sub-pixel；
S4034, the data voltage for increasing green sub-pixels；
S4035, the data voltage for increasing blue subpixels；
S4036, the data voltage for increasing red sub-pixel and green sub-pixels；
S4037, the data voltage for increasing red sub-pixel and blue subpixels；
S4038, the data voltage for increasing green sub-pixels and blue subpixels.
It can determine whether the data voltage of red sub-pixel, green sub-pixels and blue subpixels reaches most first
Big value；It, can be simultaneously when the data voltage of red sub-pixel, green sub-pixels and blue subpixels is not up to maximum value
The data voltage for increasing red sub-pixel, green sub-pixels and blue subpixels, can reduce the influence to coloration in this way.When
The data voltage of the sub-pixel of only one or two kinds of colors does not reach in red sub-pixel, green sub-pixels and blue subpixels
To maximum value, then can increase data voltage be not up to maximum value sub-pixel data voltage to increase display panel most
Big display brightness, specific regulative mode include six kinds of adjusting situations of above-mentioned steps S4033-S4038.
It should be noted that after the white picture display brightness for adjusting display panel, it is also necessary to further detection display
Whether the current white point chromaticity coordinates value of panel meets the requirements, and as undesirable, also needs to white point chromaticity coordinates value and maximum
Display brightness is further finely tuned so that two parameters within an acceptable range until.
In the specific implementation, true according to the maximum display brightness for measuring obtained each display panel in above-mentioned steps S30
Set the goal maximum display brightness, comprising:
The maximum value of the maximum display brightness of each display panel is determined as target maximum display brightness；Alternatively,
The minimum value of the maximum display brightness of each display panel is determined as target maximum display brightness；Alternatively,
The average value of the maximum display brightness of each display panel is determined as target maximum display brightness.
In the actual operation process, the standard of the display panel of different batches has differences, by same batch display panel
Maximum display brightness adjustment unanimously needs to select suitable target white point chromaticity coordinates value.As described in the embodiments of the present invention, it can incite somebody to action
The maximum value of the maximum display brightness of each display panel is determined as target maximum display brightness, can also be by each display panel most
The minimum value of big display brightness is determined as target maximum display brightness, can also be by the flat of the maximum display brightness of each display panel
Mean value is determined as target maximum display brightness.It in addition to this, can also be according to actual requirement according to the different purposes of display panel
Determine target maximum display brightness, it is not limited here.
The present invention chooses 32 samples in same batch display panel and adjusts front and back to it according to above-mentioned coloration adjusting method
Data compare.It is that each sample is corresponding before data voltage is adjusted and after data voltage adjusting as shown in Figure 10 a- Figure 10 c
White point chromaticity coordinates Wx, the correlation curve of white point chromaticity coordinates Wy and maximum display brightness.Wherein, round filling point indicates to adjust
Preceding each parameter value, black square indicates each parameter value after adjusting, and as shown in Figure 10 a- Figure 10 c, each sample is passing through data voltage
Adjusting after its white point chromaticity coordinates and maximum display brightness level protect higher consistency, improve each display panel
Coloration and brightness homogeneity.Following table is each sample before and after adjusting and Prediction Theory Value Data.
It is 0.014 that data voltage, which adjusts the maximum difference of the white point chromaticity coordinates Wx of each sample, it can be seen from upper table data,
White point chromaticity coordinates Wy people's maximum difference is 0.02, and brightness maximum difference is 100nit；White point chromaticity coordinates after data voltage is adjusted
The maximum difference of Wx is 0.004, and the maximum difference of white point chromaticity coordinates Wy is 0.002, and brightness maximum difference is 20nit.Each sample
Coloration and the consistency of brightness greatly improve.
Based on the same inventive concept, the embodiment of the present invention also provides a kind of coloration regulating device of display panel, such as Figure 11
It is shown, above-mentioned apparatus provided in an embodiment of the present invention, comprising:
Determination unit 111 for measuring the current white point chromaticity coordinates value of each display panel, and is obtained according to measurement each aobvious
Show that the white point chromaticity coordinates value of panel determines target white point chromaticity coordinates value；
Unit 112 is adjusted, for according to the current white point chromaticity coordinates value of each display panel and target white point chromaticity coordinates value,
The initial data voltage for successively adjusting each color sub-pixels of each display panel, the white point chromaticity coordinates after adjusting each display panel
It is worth the difference with target white point chromaticity coordinates value less than the first preset value, and using the data voltage after adjusting as each display panel
The normal data voltage of each color sub-pixels.
The data voltage that above-mentioned apparatus provided in an embodiment of the present invention passes through the sub-pixel of each color to each display panel
Adjusting so that adjust after each display panel coloration it is of substantially equal with target white point chromaticity coordinates value, improve each display surface
The coloration consistency of plate.
Optionally, the adjusting unit 112 is white specifically for being greater than target in the current white point chromaticity coordinates value of display panel
Point chromaticity coordinates value, and the difference of the current white point chromaticity coordinates value of display panel and target white point chromaticity coordinates value is greater than the first preset value
When, determine whether the data voltage of the blue subpixels of display panel has reached maximum value；In the data voltage of blue subpixels
Not up to maximum value when, increase the data voltage of blue subpixels；When the data voltage of blue subpixels reaches maximum value, subtract
The data voltage of small red sub-pixel and green sub-pixels；It is less than target white point in the current white point chromaticity coordinates value of display panel
Chromaticity coordinates value, and the difference of the current white point chromaticity coordinates value of display panel and target white point chromaticity coordinates value is greater than the first preset value
When, whether the data voltage of the red sub-pixel and green sub-pixels that determine display panel reaches maximum value；In red son
When the data voltage of pixel and green sub-pixels reaches maximum value, reduce the data voltage of blue subpixels；In red son
When at least a kind of data voltage of the sub-pixel of color is not up to maximum value in pixel and green sub-pixels, increase red son
Data voltage is not up to the data voltage of the sub-pixel of maximum value in pixel and green sub-pixels.
Optionally, adjust unit 112, specifically for determine red sub-pixel and green sub-pixels data voltage whether
Not up to maximum value；When the data voltage of red sub-pixel and green sub-pixels is not up to maximum value, increase red son
The data voltage of pixel and green sub-pixels；It is not up to maximum value in the data voltage of red sub-pixel, green sub-pixels
When data voltage reaches maximum value, increase the data voltage of red sub-pixel；Reach maximum in the data voltage of red sub-pixel
Value, when the data voltage of green sub-pixels is not up to maximum value, increases the data voltage of green sub-pixels.
Optionally, determination unit 111, specifically for the maximum white point chromaticity coordinates value in each display panel is determined as target
White point chromaticity coordinates value；Alternatively, the minimum white point chromaticity coordinates value in each display panel is determined as target white point chromaticity coordinates value；Or
The average value of the white point chromaticity coordinates value of each display panel is determined as target white point chromaticity coordinates value by person.
Optionally it is determined that unit 111, is also used to measure the current maximum display brightness of each display panel, and according to measurement
The maximum display brightness of obtained each display panel determines target maximum display brightness；
Unit is adjusted, the maximum display brightness and target maximum display brightness worked as according to each display panel are also used to, according to
The data voltage of the secondary each color sub-pixels for adjusting each display panel, maximum display brightness and mesh after adjusting each display panel
The difference of maximum display brightness is marked less than the second preset value, and each display panel adjust after white point chromaticity coordinates value and target white point
The difference of chromaticity coordinates value is less than the first preset value.
Optionally, unit 112 is adjusted, specifically for aobvious greater than target maximum in the current maximum display brightness of display panel
Show brightness, and when the difference of the current maximum display brightness and target maximum display brightness of display panel is greater than the second preset value,
Reduce the data voltage of red sub-pixel, green sub-pixels and blue subpixels；It is shown in the current maximum of display panel bright
Degree is less than target maximum display brightness, and the difference of the current maximum display brightness and target maximum display brightness of display panel is big
When the second preset value, determine whether the data voltage of red sub-pixel, green sub-pixels and blue subpixels reaches most
Big value；At least a kind of data voltage of the sub-pixel of color in red sub-pixel, green sub-pixels and blue subpixels
Not up to maximum value when, increase that red sub-pixel, data voltage is not up to maximum value in green sub-pixels and blue subpixels
Sub-pixel data voltage.
Optionally, unit 112 is adjusted, specifically for determining red sub-pixel, green sub-pixels and blue subpixels
Whether data voltage is not up to maximum value；Red sub-pixel, green sub-pixels and blue subpixels data voltage not
When reaching maximum value, increase the data voltage of red sub-pixel, green sub-pixels and blue subpixels；In only red sub-pixel
Data voltage when being not up to maximum value, increase the data voltage of red sub-pixel；Only green sub-pixels data voltage not
When reaching maximum value, increase the data voltage of green sub-pixels；When the data voltage of only blue subpixels is not up to maximum value,
Increase the data voltage of blue subpixels；It is not up to maximum value in the data voltage of red sub-pixel and green sub-pixels, it is blue
When the data voltage of sub-pixels reaches maximum value, increase the data voltage of red sub-pixel and green sub-pixels；In red
The data voltage of sub-pixel and blue subpixels is not up to maximum value, when the data voltage of green sub-pixels reaches maximum value,
Increase the data voltage of red sub-pixel and blue subpixels；The data voltage of green sub-pixels and blue subpixels not
Reach maximum value, when the data voltage of red sub-pixel reaches maximum value, increases the number of green sub-pixels and blue subpixels
According to voltage.
Optionally it is determined that unit 111, specifically for the maximum value of the maximum display brightness of each display panel is determined as mesh
Mark maximum display brightness；Alternatively, the minimum value of the maximum display brightness of each display panel is determined as target maximum display brightness；
Alternatively, the average value of the maximum display brightness of each display panel is determined as target maximum display brightness.
The coloration adjusting method and device of display panel provided in an embodiment of the present invention, it is current by measuring each display panel
White point chromaticity coordinates value, and target white point chromaticity coordinates value is determined according to the white point chromaticity coordinates value of each display panel that measurement obtains；
According to the current white point chromaticity coordinates value of each display panel and target white point chromaticity coordinates value, each face of each display panel is successively adjusted
The initial data voltage of sub-pixels, the difference of white point chromaticity coordinates value and target white point chromaticity coordinates value after adjusting each display panel
It is worth less than the first preset value, and using the data voltage after adjusting as the normal data of each color sub-pixels of each display panel electricity
Pressure.By the adjusting of the data voltage of the sub-pixel of each color to each display panel, so that each display panel after adjusting
Coloration is of substantially equal with target white point chromaticity coordinates value, improves the coloration consistency of each display panel.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of coloration adjusting method of display panel characterized by comprising
The current white point chromaticity coordinates value of each display panel is measured, and the white point color of each display panel obtained according to measurement is sat
Scale value determines target white point chromaticity coordinates value；
According to the current white point chromaticity coordinates value of each display panel and the target white point chromaticity coordinates value, each institute is successively adjusted
The initial data voltage for stating each color sub-pixels of display panel, white point chromaticity coordinates value after adjusting each display panel with
The difference of the target white point chromaticity coordinates value is less than the first preset value, and using the data voltage after adjusting as each display surface
The normal data voltage of each color sub-pixels of plate.
2. the method as described in claim 1, which is characterized in that the display panel includes red sub-pixel, green sub-pixels
And blue subpixels；
The white point chromaticity coordinates value current according to each display panel and the target white point chromaticity coordinates value, are successively adjusted
The initial data voltage of each color sub-pixels of each display panel, comprising:
It is greater than the target white point chromaticity coordinates value in the current white point chromaticity coordinates value of the display panel, and the display panel is worked as
When the difference of preceding white point chromaticity coordinates value and the target white point chromaticity coordinates value is greater than first preset value, the display is determined
Whether the data voltage of the blue subpixels of panel has reached maximum value；
When the data voltage of the blue subpixels is not up to maximum value, increase the data voltage of the blue subpixels；
When the data voltage of the blue subpixels reaches maximum value, reduce the data of red sub-pixel and green sub-pixels
Voltage；
It is less than the target white point chromaticity coordinates value in the current white point chromaticity coordinates value of the display panel, and the display panel is worked as
When the difference of preceding white point chromaticity coordinates value and the target white point chromaticity coordinates value is greater than first preset value, the display is determined
Whether the red sub-pixel of panel and the data voltage of green sub-pixels reach maximum value；
When the data voltage of the red sub-pixel and the green sub-pixels reaches maximum value, reduce blue
The data voltage of pixel；
At least a kind of data voltage of the sub-pixel of color does not reach in the red sub-pixel and the green sub-pixels
When to maximum value, increase the sub-pixel that data voltage in the red sub-pixel and the green sub-pixels is not up to maximum value
Data voltage.
3. the method as described in claim 1, which is characterized in that the white point of each display panel obtained according to measurement
Chromaticity coordinates value determines target white point chromaticity coordinates value, comprising:
Maximum white point chromaticity coordinates value in each display panel is determined as the target white point chromaticity coordinates value；Alternatively,
Minimum white point chromaticity coordinates value in each display panel is determined as the target white point chromaticity coordinates value；Alternatively,
The average value of the white point chromaticity coordinates value of each display panel is determined as the target white point chromaticity coordinates value.
4. the method as described in claim 1, which is characterized in that further include:
Measure the current maximum display brightness of each display panel, and the maximum of each display panel obtained according to measurement
Display brightness determines target maximum display brightness；
The maximum display brightness and the target maximum display brightness worked as according to each display panel are successively adjusted each described
The data voltage of each color sub-pixels of display panel, maximum display brightness and the mesh after adjusting each display panel
The difference of maximum display brightness is marked less than the second preset value, and each display panel adjust after white point chromaticity coordinates value with it is described
The difference of target white point chromaticity coordinates value is less than first preset value.
5. method as claimed in claim 4, which is characterized in that the display panel includes red sub-pixel, green sub-pixels
And blue subpixels；
The maximum display brightness worked as according to each display panel and the target maximum display brightness are successively adjusted each
The data voltage of each color sub-pixels of the display panel, comprising:
It is greater than the target maximum display brightness in the current maximum display brightness of the display panel, and the display panel is worked as
When the difference of preceding maximum display brightness and the target maximum display brightness is greater than second preset value, reduce red sub- picture
The data voltage of element, green sub-pixels and blue subpixels；
It is less than the target maximum display brightness in the current maximum display brightness of the display panel, and the display panel is worked as
When the difference of preceding maximum display brightness and the target maximum display brightness is greater than second preset value, the red is determined
Whether the data voltage of sub-pixel, the green sub-pixels and the blue subpixels reaches maximum value；
At least a kind of sub-pixel of color in the red sub-pixel, the green sub-pixels and the blue subpixels
Data voltage when being not up to maximum value, increase the red sub-pixel, the green sub-pixels and the blue subpixels
Middle data voltage is not up to the data voltage of the sub-pixel of maximum value.
6. method as claimed in claim 4, which is characterized in that the maximum of each display panel obtained according to measurement
Display brightness determines target maximum display brightness, comprising:
The maximum value of the maximum display brightness of each display panel is determined as the target maximum display brightness；Alternatively,
The minimum value of the maximum display brightness of each display panel is determined as the target maximum display brightness；Alternatively,
The average value of the maximum display brightness of each display panel is determined as the target maximum display brightness.
7. a kind of coloration regulating device of display panel characterized by comprising
Determination unit, for measuring the current white point chromaticity coordinates value of each display panel, and each display obtained according to measurement
The white point chromaticity coordinates value of panel determines target white point chromaticity coordinates value；
Unit is adjusted, for according to the current white point chromaticity coordinates value of each display panel and the target white point chromaticity coordinates
Value, successively adjusts the initial data voltage of each color sub-pixels of each display panel, after adjusting each display panel
White point chromaticity coordinates value and the target white point chromaticity coordinates value difference less than the first preset value, and by the data voltage after adjusting
The normal data voltage of each color sub-pixels as each display panel.
8. device as claimed in claim 7, which is characterized in that the adjusting unit, specifically for working as in the display panel
Preceding white point chromaticity coordinates value is greater than the target white point chromaticity coordinates value, and the white point chromaticity coordinates value and institute that the display panel is current
When stating the difference of target white point chromaticity coordinates value greater than first preset value, the number of the blue subpixels of the display panel is determined
Whether maximum value is had reached according to voltage；When the data voltage of the blue subpixels is not up to maximum value, increase the blue
The data voltage of sub-pixel；When the data voltage of the blue subpixels reaches maximum value, reduce red sub-pixel and green
The data voltage of sub-pixels；It is less than the target white point chromaticity coordinates value in the current white point chromaticity coordinates value of the display panel,
And to be greater than described first default for the difference of the current white point chromaticity coordinates value and the target white point chromaticity coordinates value of the display panel
When value, whether the data voltage of the red sub-pixel and green sub-pixels that determine the display panel reaches maximum value；?
When the data voltage of the red sub-pixel and the green sub-pixels reaches maximum value, reduce the blue subpixels
Data voltage；At least a kind of data voltage of the sub-pixel of color in the red sub-pixel and the green sub-pixels
Not up to maximum value when, increase the son that data voltage in the red sub-pixel and the green sub-pixels is not up to maximum value
The data voltage of pixel.
9. device as claimed in claim 8, which is characterized in that the determination unit is also used to measure each display panel
Current maximum display brightness, and the maximum display brightness of each display panel obtained according to measurement determines that target maximum is aobvious
Show brightness；
The adjusting unit, the maximum display brightness for being also used to be worked as according to each display panel and the target maximum are shown
Brightness successively adjusts the data voltage of each color sub-pixels of each display panel, after adjusting each display panel
The difference of maximum display brightness and the target maximum display brightness is less than the second preset value, and after each display panel is adjusted
White point chromaticity coordinates value and the target white point chromaticity coordinates value difference be less than first preset value.
10. device as claimed in claim 9, which is characterized in that the adjusting unit, specifically for working as in the display panel
Preceding maximum display brightness is greater than the target maximum display brightness, and the maximum display brightness and institute that the display panel is current
When stating the difference of target maximum display brightness greater than second preset value, reduce red sub-pixel, green sub-pixels and indigo plant
The data voltage of sub-pixels；It is less than the target maximum display brightness in the current maximum display brightness of the display panel,
And to be greater than described second default for the difference of the current maximum display brightness and the target maximum display brightness of the display panel
When value, determine whether the data voltage of the red sub-pixel, the green sub-pixels and the blue subpixels reaches
Maximum value；At least a kind of son of color in the red sub-pixel, the green sub-pixels and the blue subpixels
When the data voltage of pixel is not up to maximum value, increase the red sub-pixel, the green sub-pixels and blue
Data voltage is not up to the data voltage of the sub-pixel of maximum value in pixel.
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| CN109961735A (en) * | 2019-04-29 | 2019-07-02 | 上海天马微电子有限公司 | Display panel, display device and white balance adjusting method |
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| WO2023168726A1 (en) * | 2022-03-07 | 2023-09-14 | 深圳市华星光电半导体显示技术有限公司 | Chromaticity adjusting method and device for display panel |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103425441A (en) * | 2012-05-17 | 2013-12-04 | 中国长城计算机深圳股份有限公司 | Computer and display debug system thereof |
| US20170069261A1 (en) * | 2015-09-07 | 2017-03-09 | Samsung Display Co., Ltd. | Method of aging organic light emitting display device |
| CN107068114A (en) * | 2017-04-24 | 2017-08-18 | 北京小米移动软件有限公司 | Screen color method of adjustment, device, equipment and storage medium |
| CN107784975A (en) * | 2017-10-25 | 2018-03-09 | 武汉华星光电半导体显示技术有限公司 | The brightness of AMOLED display device and colourity automatic adjusting method and system |
| CN108039143A (en) * | 2017-12-06 | 2018-05-15 | 京东方科技集团股份有限公司 | A kind of method and device of gamma circuit adjustment |
-
2018
- 2018-09-25 CN CN201811115250.4A patent/CN109147702B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103425441A (en) * | 2012-05-17 | 2013-12-04 | 中国长城计算机深圳股份有限公司 | Computer and display debug system thereof |
| US20170069261A1 (en) * | 2015-09-07 | 2017-03-09 | Samsung Display Co., Ltd. | Method of aging organic light emitting display device |
| CN107068114A (en) * | 2017-04-24 | 2017-08-18 | 北京小米移动软件有限公司 | Screen color method of adjustment, device, equipment and storage medium |
| CN107784975A (en) * | 2017-10-25 | 2018-03-09 | 武汉华星光电半导体显示技术有限公司 | The brightness of AMOLED display device and colourity automatic adjusting method and system |
| CN108039143A (en) * | 2017-12-06 | 2018-05-15 | 京东方科技集团股份有限公司 | A kind of method and device of gamma circuit adjustment |
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