CN110085181A - The method of adjustment of the chromaticity specification of splicing panel - Google Patents
The method of adjustment of the chromaticity specification of splicing panel Download PDFInfo
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- CN110085181A CN110085181A CN201910284503.9A CN201910284503A CN110085181A CN 110085181 A CN110085181 A CN 110085181A CN 201910284503 A CN201910284503 A CN 201910284503A CN 110085181 A CN110085181 A CN 110085181A
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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
- G09G2320/0666—Adjustment of display parameters for control of colour parameters, e.g. colour temperature
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- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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Abstract
The application provides a kind of method of adjustment of the chromaticity specification of splicing panel, and this method comprises the following steps: providing the product chromaticity specification (x1, y1) of a display panel；Target colorimetric specification (x2, y2) is obtained according to the product chromaticity specification (x1, y1)；Based on the target colorimetric specification (x2, y2), the target colorimetric specification (x2, y2) of the display panel is adjusted to the product chromaticity specification (x1, y1).The method of adjustment of the chromaticity specification of the splicing panel of the application is by being first adjusted to target colorimetric specification for display panel, the setting of product chromaticity specification is adjusted to by target colorimetric specification again, reduce the loss of light transmittance when display panel to be adjusted to product chromaticity specification, and pass through the setting of goal-setting specification, so that splicing panel reaches unanimity in the Huang partially of the coloration under big visual angle between display panel；Solves the existing splicing panel technical problem that light transmittance declines under big visual angle and colour cast is serious.
Description
Technical field
This application involves a kind of display technology, in particular to a kind of method of adjustment of the chromaticity specification of splicing panel.
Background technique
It is existing for the color difference between screen and screen in the display that liquid crystal-spliced screen uses.Typically adjust
The ratio (white balance) of RGB reduces coloration difference.And other than liquid crystal display panel penetrance can be brought to decline in this way, it can also make
The case where at big visual angle colour cast, is more serious.
Summary of the invention
The embodiment of the present application provides a kind of method of adjustment of the chromaticity specification of splicing panel, to solve existing splicing panel
The technical problem that light transmittance declines under big visual angle and colour cast is serious.
The embodiment of the present application provides a kind of method of adjustment of the chromaticity specification of splicing panel, and the splicing panel includes multiple
Display panel, which is characterized in that the method for adjustment of the chromaticity specification the following steps are included:
The product chromaticity specification (x1, y1) of one display panel is provided；
Target colorimetric specification (x2, y2) is obtained according to the product chromaticity specification (x1, y1)；
Based on the target colorimetric specification (x2, y2), by the target colorimetric specification of the display panel (x2,
Y2) it is adjusted to the product chromaticity specification (x1, y1).
It is described to be obtained according to the product chromaticity specification in the method for adjustment of the chromaticity specification of the splicing panel of the application
Target colorimetric specification, includes the following steps:
According to the product chromaticity specification (x1, y1), a target colorimetric specification limit is obtained；
According to the product chromaticity specification (x1, y1), the target colorimetric specification (x2, y2) is set as (x1+x0, y1+
y0)；
By adjusting the x0 value and y0 value, the target colorimetric specification (x2, y2) is obtained；At the target colorimetric specification
In in the target colorimetric specification limit.
In the method for adjustment of the chromaticity specification of the splicing panel of the application, it is described according to the product chromaticity specification (x1,
Y1), a target colorimetric specification limit is obtained, is included the following steps:
Each chromaticity coordinate and its corresponding light transmittance in the display panel are acquired by acquisition module；
Each chromaticity coordinate and its corresponding light transmittance are compared, at least two limit chromaticity coordinates are obtained, it is described
Limit chromaticity coordinate is the chromaticity coordinate that light transmittance is equal to 95%；
According to the product chromaticity specification (x1, y1) and at least two limit chromaticity coordinates, the aim colour is formed
Spend range；The light transmittance of the target colorimetric range is more than or equal to 95%, and the target colorimetric specification is in the aim colour
It spends in range.
In the method for adjustment of the chromaticity specification of the splicing panel of the application, the y2 value is more than or equal to x2 value.
In the method for adjustment of the chromaticity specification of the splicing panel of the application, seat of the target chrominance coordinates in tolerance
Mark (x2 ± 0.003, y2 ± 0.003) is in the target colorimetric specification limit.
In the method for adjustment of the chromaticity specification of the splicing panel of the application, the absolute value of the x0 and the absolute value of y0 are equal
For N times of 0.005, N is integer.
In the method for adjustment of the chromaticity specification of the splicing panel of the application, the display panel includes a lamp source structure,
When the lamp source structure includes blue light lamp source and when positioned at the red green fluorescence powder of the blue light lamp source；Or,
When the lamp source structure includes blue light lamp source and positioned at the yellow fluorescent powder and red fluorescent powder of the blue light lamp source
When；Or,
When the lamp source structure includes blue light lamp source and positioned at the yellow fluorescent powder and red green fluorescence of the blue light lamp source
When powder；
The x0 is set as 0.005, and the y0 is set as -0.005.
In the method for adjustment of the chromaticity specification of the splicing panel of the application, the display panel includes a lamp source structure,
When the lamp source structure includes blue light lamp source and when positioned at the yellow fluorescent powder of the blue light lamp source；
The absolute value of the x0 is twice of the absolute value of y0.
In the method for adjustment of the chromaticity specification of the splicing panel of the application, the x0 value be -0.005, the y0 value be -
0.010。
In the method for adjustment of the chromaticity specification of the splicing panel of the application, the aim colour metric of each display panel
Lattice are all the same.
Splicing panel compared to the prior art, the method for adjustment of the chromaticity specification of the splicing panel of the application, which passes through, first will
Display panel is adjusted to target colorimetric specification, then the setting of product chromaticity specification is adjusted to by target colorimetric specification, reduce by
The loss of light transmittance when display panel is adjusted to product chromaticity specification, and pass through the setting of goal-setting specification, so that spelling
Junction plate reaches unanimity in the Huang partially of the coloration under big visual angle between display panel；Existing splicing panel is solved under big visual angle
The technical problem that light transmittance declines and colour cast is serious.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below to required in embodiment
Attached drawing to be used is briefly described.The accompanying drawings in the following description is only the section Example of the application, general for this field
For logical technical staff, without creative efforts, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the flow chart of the method for adjustment of the chromaticity specification of the splicing panel of the embodiment of the present application；
Fig. 2 is the flow chart of the step S2 of the method for adjustment of the chromaticity specification of the splicing panel of the embodiment of the present application；
Fig. 3 is the chromaticity coordinate and its light transmittance and target gauge range of the splicing panel of the embodiment of the present application
Schematic diagram；
Fig. 4 is the flow chart of the step S121 of the method for adjustment of the chromaticity specification of the splicing panel of the embodiment of the present application.
Detailed description of the invention, in Fig. 3, the top numerical value of coordinate points is the coordinate values of coordinate points, and lower section numerical value is the coordinate
The light transmittance of point.
Specific embodiment
The schema in attached drawing is please referred to, wherein identical component symbol represents identical component.The following description is to be based on
Illustrated by the application specific embodiment, be not construed as limitation the application other specific embodiments not detailed herein.
Fig. 1 is please referred to, Fig. 1 is the flow chart of the method for adjustment of the chromaticity specification of the splicing panel of the embodiment of the present application.
The method of adjustment of the chromaticity specification of the splicing panel of the embodiment of the present application, the splicing panel include multiple display surfaces
Plate.The method of adjustment of the chromaticity specification the following steps are included:
S11: the product chromaticity specification (x1, y1) of a display panel is provided；
S12: target colorimetric specification (x2, y2) is obtained according to the product chromaticity specification (x1, y1)；
S13: based on the target colorimetric specification (x2, y2), by the target colorimetric specification of the display panel
(x2, y2) is adjusted to the product chromaticity specification (x1, y1).
It is the elaboration of specific steps below in the method for adjustment of the chromaticity specification of the splicing panel of the present embodiment.
In step s 11, the product chromaticity specification (x1, y1) of a display panel is provided.
In splicing panel, the product chromaticity specification (x1, y1) of each display panel is consistent.Wherein product coloration is advised
The x1 value of lattice is that 0.280, y1 value is 0.290.In addition, the value of product chromaticity specification is not limited to this.
In step s 12, referring to figure 2., according to the product chromaticity specification (x1, y1) obtain target colorimetric specification (x2,
y2).The step includes:
S121: according to the product chromaticity specification (x1, y1), a target colorimetric specification limit is obtained；
S122: according to the product chromaticity specification (x1, y1), the target colorimetric specification (x2, y2) is set as (x1+
X0, y1+y0)；
S123: by adjusting the x0 value and y0 value, the target colorimetric specification (x2, y2) is obtained；The target colorimetric
Specification is in the target colorimetric specification limit.
Specifically, referring to figure 4., step S121 includes the following steps:
S1211: each chromaticity coordinate and its corresponding light transmittance in the display panel are acquired by acquisition module；
S1212: comparing each chromaticity coordinate and its corresponding light transmittance, obtains at least two limit colorations and sits
Mark, the limit chromaticity coordinate are the chromaticity coordinate that light transmittance is equal to 95%；
S1213: according to the product chromaticity specification (x1, y1) and at least two limit chromaticity coordinates, described in formation
Target colorimetric range；The light transmittance of the target colorimetric range is more than or equal to 95%, and the target colorimetric specification is in described
Within the scope of target colorimetric.
Specifically, the purpose of step S1211 is: acquiring the light transmittance of each chromaticity coordinate, be subsequent step S1212
The chromaticity coordinate that light transmittance is 95% is obtained to prepare.Then continue at step S1212.
The purpose of step S1212 is: be 95% with light transmittance being all light transmittances of Comparison of standards, to obtain
The corresponding chromaticity coordinate for being 95% to light transmittance, i.e. limit chromaticity coordinate.In this application, limit chromaticity coordinate is corresponding
Light transmittance can be modified according to the actual situation.Such as need to further decrease the loss late of light transmission, it can be by pole
The corresponding light transmittance of limit chromaticity coordinate is set as 95% or more, such as 96%, 97% or 98%.It is saturating according to different light in this way
The rate of mistake obtains different limit chromaticity coordinates.Then continue at step S1213.
The purpose of step S1213 is: the enclosed area formed according to product chromaticity specification and limit chromaticity specification, with
Determine the target chrominance coordinates range that light transmittance is more than or equal to 95%.Therefore the purpose of step S121 is: determining that light penetrates
The range of target colorimetric range of the rate more than or equal to 95%.Then continue at step S122.Wherein, step S121 and step S122 do not have
It is divided into successively.
In step S122, according to the product chromaticity specification (x1, y1), the target colorimetric specification (x2, y2) is set
It is set to (x1+x0, y1+y0).Then continue at step S123.
In step S123, by adjusting the x0 value and y0 value, the target colorimetric specification (x2, y2) is obtained.Specifically
, by adjusting x0 value and y0 value, obtain specific target colorimetric specification (x2, y2).
Wherein, it should be noted that in target colorimetric specification (x2, y2), y2 value is more than or equal to x2 value.Because Y value relates to
And brightness and and its it is sensitive, as Y value increases, brightness can increase sharply, influence whole display effect.
In addition, since there are tolerance (± 0.003) for target chrominance coordinates, in order to guarantee selected target colorimetric specification
In the target colorimetric specification limit.The target chrominance coordinates in tolerance coordinate (x2 ± 0.003, y2 ±
0.003) in the target colorimetric specification limit.So in the present embodiment, the selected of target colorimetric specification is sat by coloration
Mark the influence of tolerance.
It is (± 0.003) by chromaticity coordinate tolerance in this present embodiment, therefore chromaticity specification range is chosen at product coloration
The lower right of specification (x1, y1).Referring to figure 3., the coordinate points in figure and its corresponding light transmittance are the part of experimental data,
And chromaticity specification range A is only to illustrate range.
Since people's naked eyes are experienced as (0.003,0.006) coloration difference, but after the coloration adjustment of collocation LED, institute
It can be with colour difference paresthesia with 0.005 as a unit.So the present embodiment is adjusted using 0.005 as minimum unit
It is whole.Therefore the absolute value of the x0 and the absolute value of y0 are N times of 0.005, and N is integer.
Wherein, for LED coloration adjust, the present embodiment by adjusting backlight module fluorescent powder ratio.For example, display
Panel includes a lamp source structure.When the lamp source structure includes blue light lamp source and positioned at the red green fluorescence powder of the blue light lamp source
When；By adjusting the ratio of red green fluorescence powder, to adjust x0 value and y0 value.
When the lamp source structure includes blue light lamp source and positioned at the yellow fluorescent powder and red fluorescent powder of the blue light lamp source
When；By adjusting the ratio of yellow red fluorescent powder, to adjust x0 value and y0 value.
When the lamp source structure includes blue light lamp source and positioned at the yellow fluorescent powder and red green fluorescence of the blue light lamp source
When powder；By adjusting the ratio of red green fluorescence powder, to adjust x0 value and y0 value.
In above-mentioned backlight design, optionally, the x0 is set as 0.005, and the y0 is set as -0.005.I.e.
By adjusting the ratio of fluorescence associated powder, the x0 is set as 0.005, the y0 is set as -0.005 to get mesh is arrived
It marks chromaticity specification (0.285,0.285), which is in the center of target colorimetric specification limit.So even if the coordinate points are plus public affairs
Poor (± 0.003) also can guarantee the coordinate points in target colorimetric specification limit.
In addition, when the lamp source structure includes blue light lamp source and when positioned at the yellow fluorescent powder of the blue light lamp source；Pass through
The ratio of yellow fluorescent powder is adjusted, to adjust x0 value and y0 value.Therefore when the specific gravity of yellow fluorescent powder is more, light will be inclined out
Huang, at this moment x0 value and y0 value increase together；When the specific gravity of yellow fluorescent powder is few, light will be partially blue out, at this moment x0 value and y0
Value is reduced together.In this kind of backlight design, the absolute value of the x0 is twice of the absolute value of y0.
Optionally, the x0 value is -0.005, and the y0 value is -0.010, i.e., in the present embodiment, target colorimetric specification
For (0.275,0.280).
Wherein, the target colorimetric specification of each display panel is all the same.By the setting of the target colorimetric specification,
During being adjusted as product chromaticity specification, so that all display panels Huang partially reaches unanimity under big visual angle, and drop
The low loss of light transmittance.
Then go to step 13.
In step s 13, based on the target colorimetric specification (x2, y2), by the target of the display panel
Chromaticity specification (x2, y2) is adjusted to the product chromaticity specification (x1, y1).
Specifically, using product chromaticity specification as standard specification, and will be adjusted with the display panel of target colorimetric specification
For the display panel with product chromaticity specification.And the process of the adjustment is the prior art, therefore this will not be repeated here.
The method of adjustment of the chromaticity specification of the splicing panel of the present embodiment is just completed in this way.
Splicing panel compared to the prior art, the method for adjustment of the chromaticity specification of the splicing panel of the application, which passes through, first will
Display panel is adjusted to target colorimetric specification, then the setting of product chromaticity specification is adjusted to by target colorimetric specification, reduce by
The loss of light transmittance when display panel is adjusted to product chromaticity specification, and pass through the setting of goal-setting specification, so that spelling
Junction plate reaches unanimity in the Huang partially of the coloration under big visual angle between display panel；Existing splicing panel is solved under big visual angle
The technical problem that light transmittance declines and colour cast is serious.
The above for those of ordinary skill in the art can be according to the technical solution and technology of the application
Other various corresponding changes and modifications are made in design, and all these change and modification all should belong to the appended right of the application
It is required that protection scope.
Claims (10)
1. a kind of method of adjustment of the chromaticity specification of splicing panel, the splicing panel includes multiple display panels, and feature exists
In, the chromaticity specification method of adjustment the following steps are included:
The product chromaticity specification (x1, y1) of one display panel is provided；
Target colorimetric specification (x2, y2) is obtained according to the product chromaticity specification (x1, y1)；
Based on the target colorimetric specification (x2, y2), the target colorimetric specification (x2, y2) of the display panel is adjusted
Whole is the product chromaticity specification (x1, y1).
2. the method for adjustment of the chromaticity specification of splicing panel according to claim 1, which is characterized in that described according to
Product chromaticity specification obtains target colorimetric specification, includes the following steps:
According to the product chromaticity specification (x1, y1), a target colorimetric specification limit is obtained；
According to the product chromaticity specification (x1, y1), the target colorimetric specification (x2, y2) is set as (x1+x0, y1+y0)；
By adjusting the x0 value and y0 value, the target colorimetric specification (x2, y2) is obtained；The target colorimetric specification is in institute
It states in target colorimetric specification limit.
3. the method for adjustment of the chromaticity specification of splicing panel according to claim 2, which is characterized in that described according to
Product chromaticity specification (x1, y1) obtains a target colorimetric specification limit, includes the following steps:
Each chromaticity coordinate and its corresponding light transmittance in the display panel are acquired by acquisition module；
Each chromaticity coordinate and its corresponding light transmittance are compared, at least two limit chromaticity coordinates, the limit are obtained
Chromaticity coordinate is the chromaticity coordinate that light transmittance is equal to 95%；
According to the product chromaticity specification (x1, y1) and at least two limit chromaticity coordinates, the target colorimetric model is formed
It encloses；The light transmittance of the target colorimetric range is more than or equal to 95%, and the target colorimetric specification is in the target colorimetric model
In enclosing.
4. the method for adjustment of the chromaticity specification of splicing panel according to claim 3, which is characterized in that the y2 value is greater than
Equal to x2 value.
5. the method for adjustment of the chromaticity specification of splicing panel according to claim 3, which is characterized in that the target colorimetric
Coordinate (x2 ± 0.003, y2 ± 0.003) of the coordinate in tolerance is in the target colorimetric specification limit.
6. the method for adjustment of the chromaticity specification of splicing panel according to claim 3, which is characterized in that the x0's is absolute
The absolute value of value and y0 are N times of 0.005, and N is integer.
7. the method for adjustment of the chromaticity specification of splicing panel according to claim 2, which is characterized in that the display panel
Including a lamp source structure,
When the lamp source structure includes blue light lamp source and when positioned at the red green fluorescence powder of the blue light lamp source；Or,
When the lamp source structure includes blue light lamp source and when positioned at the yellow fluorescent powder and red fluorescent powder of the blue light lamp source；
Or,
When the lamp source structure includes blue light lamp source and when positioned at the yellow fluorescent powder and red green fluorescence powder of the blue light lamp source；
The x0 is set as 0.005, and the y0 is set as -0.005.
8. the method for adjustment of the chromaticity specification of splicing panel according to claim 2, which is characterized in that the display panel
Including a lamp source structure, when the lamp source structure includes blue light lamp source and when positioned at the yellow fluorescent powder of the blue light lamp source；
The absolute value of the x0 is twice of the absolute value of y0.
9. the method for adjustment of the chromaticity specification of splicing panel according to claim 8, which is characterized in that the x0 value be-
0.005, the y0 value is -0.010.
10. the method for adjustment of the chromaticity specification of splicing panel according to claim 1, which is characterized in that each described aobvious
Show that the target colorimetric specification of panel is all the same.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284503.9A CN110085181B (en) | 2019-04-10 | 2019-04-10 | Adjustment method for chromaticity specification of spliced panel |
| PCT/CN2019/127908 WO2020207055A1 (en) | 2019-04-10 | 2019-12-24 | Method for adjusting chromaticity specifications of spliced panels |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910284503.9A CN110085181B (en) | 2019-04-10 | 2019-04-10 | Adjustment method for chromaticity specification of spliced panel |
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| CN110085181B CN110085181B (en) | 2020-08-04 |
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| WO2020207055A1 (en) * | 2019-04-10 | 2020-10-15 | 惠州市华星光电技术有限公司 | Method for adjusting chromaticity specifications of spliced panels |
| TWI723830B (en) * | 2020-04-01 | 2021-04-01 | 敦泰電子股份有限公司 | Display adjustment method for vehicle display device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020207055A1 (en) | 2020-10-15 |
| CN110085181B (en) | 2020-08-04 |
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