CN109599051B - Chromaticity adjusting method of display screen - Google Patents
Chromaticity adjusting method of display screen Download PDFInfo
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- CN109599051B CN109599051B CN201811344375.4A CN201811344375A CN109599051B CN 109599051 B CN109599051 B CN 109599051B CN 201811344375 A CN201811344375 A CN 201811344375A CN 109599051 B CN109599051 B CN 109599051B
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/2003—Display of colours
Abstract
The invention provides a chromaticity adjusting method of a display screen, which comprises the following steps: selecting an initial display screen meeting preset conditions from initial spliced screens as a screen to be detected, and dividing the screen to be detected into a first virtual display area, a second virtual display area and a virtual frame area; displaying a first detection picture in the first virtual display area; displaying a second detection picture in the second virtual display area; detecting the color difference between the displayed first detection picture and the displayed second detection picture to obtain a detection result; and setting the chromatic value of the target display screen according to the detection result to form a target spliced screen. The chromaticity adjusting method of the display screen can improve the display effect of the spliced screen.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of display, in particular to a chromaticity adjusting method of a display screen.
[ background of the invention ]
With the continuous development of display screen technology, the display screen is applied to public display occasions such as televisions, monitors, commercial traffic command platforms, market shopping guides and the like. Public display occasions generally require larger area display screens to meet the demand for displaying more information. Since the conventional size of the current display screen is generally between 32 inches and 65 inches, the size of a single display screen is small, and the size of a screen required in a public display place is generally large, a plurality of conventional-size display screens are required to be spliced to obtain a spliced screen.
However, due to the process difference of each display screen in the tiled display screen (for example, due to different production batches), the colors of the display screens can be different when the same picture is displayed, and color cast occurs between different display screens, so that the display effect of the whole tiled display screen is affected.
However, manufacturers only manufacture the display screen according to the chromaticity shipment specification of the traditional television, and do not specifically set the chromaticity specification of the spliced screen for public display, so that the display screen has serious chromatic aberration after splicing, and the display effect of the spliced screen is reduced.
Therefore, it is necessary to provide a method for adjusting chromaticity of a display screen to solve the problems of the prior art.
[ summary of the invention ]
The invention aims to provide a chromaticity adjusting method of a display screen, which can improve the display effect of a spliced screen.
In order to solve the above technical problem, the present invention provides a method for adjusting chromaticity of a display screen, including:
selecting an initial display screen meeting preset conditions from initial spliced screens as a screen to be detected, wherein the initial spliced screens comprise a plurality of initial display screens;
dividing the screen to be detected into a first virtual display area, a second virtual display area and a virtual frame area; the size of the first virtual display area is equal to that of the second virtual display area, and the virtual frame area is positioned outside the first virtual display area and the second virtual display area;
displaying a first detection picture in the first virtual display area;
displaying a second detection picture in the second virtual display area, wherein the brightness value of the first detection picture is equal to the brightness value of the second detection picture, and the difference value between the chromatic value of the second detection picture and the chromatic value of the first detection picture is within a preset range;
detecting the color difference between the displayed first detection picture and the displayed second detection picture to obtain a detection result;
and setting a chromatic value of a target display screen according to the detection result, wherein the target display screen is used for forming a target spliced screen.
In the chromaticity adjusting method of the display screen of the present invention, the screen to be detected includes a display area, and a width of the first virtual display area satisfies the following formula:
0.2l≤l’≤0.4l；
wherein l' is the width of the first virtual display area, and l is the width of the display area of the screen to be detected.
In the chromaticity adjusting method of the display screen of the present invention, the screen to be detected further includes a physical frame area, and the step of dividing the screen to be detected into the first virtual display area, the second virtual display area, and the virtual frame area includes:
dividing the screen to be detected into a first virtual display area, a second virtual display area, a virtual frame area and a virtual non-display area; the virtual non-display area is located outside the virtual frame area, and the physical frame area is located outside the virtual non-display area.
In the chromaticity adjusting method of the display screen of the present invention, a distance w' between the first virtual display area and the second virtual display area satisfies the following formula:
wherein l' is the width of the first virtual display area, l is the width of the display area of the screen to be detected, and w is the width of the physical frame area.
In the chromaticity adjusting method of a display screen according to the present invention, after the step of displaying the second detected picture in the second virtual display area and before the step of detecting the color difference between the first detected picture and the second detected picture after the displaying, the method further includes:
displaying a first preset picture in the virtual frame area between the first virtual display area and the second virtual display area; or
And displaying a first preset picture in the virtual frame area between the first virtual display area and the second virtual display area, and displaying a second preset picture in the virtual non-display area.
In the chromaticity adjusting method of the display screen of the invention, the step of selecting the initial display screen meeting the preset condition from the initial spliced screens as the screen to be detected comprises the following steps:
when the initial display screen displays a preset reference picture, respectively acquiring a maximum brightness value, a minimum brightness value, a maximum chromatic value and a minimum chromatic value in a plurality of preset detection areas of the initial display screen;
judging whether the initial display screen meets a preset condition or not according to the maximum brightness value, the minimum brightness value, the maximum chromatic value and the minimum chromatic value;
and when the initial display screen meets the preset condition, taking the initial display screen as a screen to be detected.
In the method for adjusting chromaticity of a display screen according to the present invention, the step of determining whether the initial display screen satisfies a preset condition according to the maximum luminance value, the minimum luminance value, the maximum chromaticity value, and the minimum chromaticity value includes:
acquiring brightness uniformity according to the maximum brightness value and the minimum brightness value;
and when the brightness uniformity meets a first preset condition, judging whether the initial display screen meets a second preset condition according to the maximum chromatic value and the minimum chromatic value.
In the method for adjusting the chromaticity of the display screen according to the present invention, the step of determining whether the initial display screen satisfies a second preset condition according to the maximum chromaticity value and the minimum chromaticity value includes:
obtaining the chroma uniformity according to the maximum chroma value and the minimum chroma value;
and when the chroma uniformity meets a second preset condition, judging that the initial display screen meets the second preset condition.
In the chromaticity adjusting method of the display screen of the present invention, the maximum chromaticity value includes a first maximum chromaticity value and a second maximum chromaticity value, and the first maximum chromaticity value is a maximum chromaticity value in a first preset direction; the second maximum chromatic value is a maximum chromatic value in a second preset direction;
the minimum chromaticity value comprises a first minimum chromaticity value and a second minimum chromaticity value, and the first minimum chromaticity value is a minimum chromaticity value in the first preset direction; the second minimum chromatic value is a minimum chromatic value in the second preset direction;
the step of obtaining the chroma uniformity according to the maximum chroma value and the minimum chroma value comprises the following steps:
obtaining a first chroma uniformity according to the first maximum chroma value and the first minimum chroma value;
obtaining a second chroma uniformity according to the second maximum chroma value and the second minimum chroma value;
the step of when the chrominance uniformity meets a second preset condition comprises the following steps:
and when the first chrominance homogeneity and the second chrominance homogeneity both meet a second preset condition, judging that the initial display screen meets the second preset condition.
In the chromaticity adjusting method of the display screen, the distance between two adjacent preset detection areas is equal.
According to the chromaticity adjusting method of the display screen, the initial display screen meeting the preset conditions is selected from the initial spliced screens to serve as the screen to be detected, and the screen to be detected is divided into a first virtual display area, a second virtual display area and a virtual frame area; displaying a first detection picture in the first virtual display area; displaying a second detection picture in the second virtual display area, and detecting the color difference between the displayed first detection picture and the second detection picture to obtain a detection result; and setting the chromatic value of the target display screen according to the detection result to form a target spliced screen, wherein the influence of the process factors on the chromatic value is eliminated and the accuracy of chromatic value setting is improved because two spliced screens are simulated by a single display screen, thereby improving the display effect of the spliced screen.
[ description of the drawings ]
FIG. 1 is a flowchart illustrating a method for adjusting chromaticity of a display panel according to the present invention;
FIG. 2 is a schematic diagram of a dividing structure of the to-be-detected screen according to the present invention;
FIG. 3 is a schematic diagram of a chromaticity distribution of a second inspection picture according to the present invention;
fig. 4 is a schematic structural diagram of a sixth step of the chromaticity adjusting method of the display screen according to the present invention.
[ detailed description ] embodiments
The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", etc. refer to directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention. In the drawings, elements having similar structures are denoted by the same reference numerals.
Referring to fig. 1 to 4, fig. 1 is a flowchart illustrating a method for adjusting chromaticity of a display panel according to the present invention.
As shown in fig. 1, the method for adjusting the chromaticity of a display screen of the present invention includes:
s101, selecting an initial display screen meeting preset conditions from initial spliced screens as a screen to be detected;
the initial spliced screen comprises a plurality of initial display screens; namely, the initial spliced screen is formed by splicing a plurality of initial display screens.
For example, a display screen with brightness uniformity and chromaticity uniformity satisfying preset conditions is selected from the initial display screens as a screen to be detected.
S102, dividing the screen to be detected into a first virtual display area, a second virtual display area and a virtual frame area;
for example, as shown in fig. 2, the screen 20 to be detected is divided into a first virtual display area 204, a second virtual display area 205, and a virtual frame area 203. The size of the first virtual display area 204 is equal to the size of the second virtual display area 205, for example, the length of the first virtual display area 204 is equal to the length of the second virtual display area 205. The width of the first virtual display area 204 is equal to the width of the second virtual display area 205.
The virtual border area 203 is located outside the first virtual display area 204 and the second virtual display area 205; that is, the virtual frame area 203 is wrapped outside the first virtual display area 204 and the second virtual display area 205.
The screen 20 to be detected includes a display area (an area within 201) and a physical frame area 201, and a width l' of the first virtual display area 204 satisfies the following formula:
0.2l≤l’≤0.4l
wherein l is the width of the display area of the screen 20 to be detected.
Wherein a distance w' between the first virtual display area 204 and the second virtual display area 205 satisfies the following formula:
where l' is the width of the first virtual display area, l is the width of the display area of the screen 20 to be detected, w is the width of the physical frame area 201, and w is usually a set value.
In order to improve the detection accuracy, the step S102, namely the step of dividing the screen to be detected into the first virtual display area, the second virtual display area and the virtual frame area, includes:
s1021, dividing the screen to be detected into a first virtual display area, a second virtual display area, a virtual frame area and a virtual non-display area;
for example, the screen 20 to be detected is divided into a first virtual display area 204, a second virtual display area 205, a virtual frame area 203 and a virtual non-display area 202;
the virtual non-display area 202 is located outside the virtual border area 203. The physical border area 201 is located outside the virtual non-display area 202.
S103, displaying a first detection picture in the first virtual display area;
for example, a standard monochrome picture with constant chromaticity is displayed in the first virtual display area 204, and the brightness value of the standard monochrome picture can be determined according to the shipment specification of the tiled screen product. In one embodiment, the chromaticity coordinates of the standard monochrome picture are determined according to a specification of a TV display screen with a common specification x of 0.28 and y of 0.29 or a shipping specification required by a customer.
S104, displaying a second detection picture in the second virtual display area;
for example, a second inspection picture is displayed in the second virtual display area 205, the luminance value of the first inspection picture is equal to the luminance value of the second inspection picture, and the luminance value of the second inspection picture is consistent with the luminance value of the standard monochrome picture in the first virtual display area 204. And the difference value between the chromatic value of the second detection picture and the chromatic value of the first detection picture is within a preset range.
As shown in fig. 3, the chromaticity coordinates of the second detected picture surround the chromaticity coordinates x, y of the standard monochrome picture of the first virtual display area 204 as the center, and the change rate is Δ x ± n × 0.001, Δ y ± n × 0.001, and the coordinates shown in fig. 3 represent the monochrome picture with chromaticity changes changing in a point radial shape; wherein n determines the value intervals of chromaticity coordinate change values delta x and delta y, the value of n represents the number of the selected monochromatic pictures with chromaticity change, and n is a natural number.
Wherein the method may further comprise:
(1) displaying a first preset picture in the virtual frame area between the first virtual display area and the second virtual display area;
for example, the virtual frame area 203 between the first virtual display area 204 and the second virtual display area 205 displays a first preset picture, that is, the virtual frame area 203 corresponding to the position of the gap between the first virtual display area 204 and the second virtual display area 205 displays a first preset picture. The first preset picture may be a black picture.
Further, the method may further include
(2) And displaying a second preset picture in the virtual non-display area.
For example, a second predetermined picture is displayed in the virtual non-display area 202, and the second predetermined picture may be a gray picture.
The first virtual display area 204 simulates a first actual physical mosaic screen, the second virtual display area 205 simulates a second actual physical mosaic screen, and the virtual border area 203 simulates an actual mosaic area of the first actual physical mosaic screen and the second actual physical mosaic screen. The virtual non-display area 202 is a human eye visual transition area, which may be overlaid with a gray picture.
S105, detecting the color difference between the displayed first detection picture and the displayed second detection picture to obtain a detection result;
for example, as shown in fig. 4, the tester 30 looks at the first inspection picture and the second inspection picture, and the distance d between the tester 30 and the screen 20 to be inspected is in the range of 1.2m to 1.5 m.
The tester 30 determines whether the first and second inspection pictures have color difference and the size of the color difference, and records the determination result, for example, the detection result of the color difference includes imperceptible and perceptible. Perceptibly include the option of color difference being tolerable and unacceptable.
After the detection is completed, a black picture is displayed on the screen 20 to be detected, and the display duration range of the black picture is 2 s-3 s. And then, detecting for multiple times according to the sequence of the detected picture, the black picture, the detected picture and the black picture.
After a period of time (5-10 days), the tester 30 repeats the test according to the above steps. And analyzing the results of the two detections by using a statistical method, judging the retesting reliability of the testers, and deleting the detection data of the testers if the retesting reliability does not meet the reliability standard (for example, the retesting reliability value is less than 0.7).
If the reliability standard is met, an imperceptible area and an acceptable area under the target chromaticity coordinate are obtained according to a statistical method, so that a detection result is obtained.
And S106, setting a chromatic value of a target display screen according to the detection result, wherein the target display screen is used for forming a target spliced screen.
For example, the chromaticity specification of a single display screen in the spliced screen is formulated according to the detection result so as to avoid color difference of the spliced screen and improve the display effect of the spliced screen.
In order to improve the detection accuracy, the step S101, that is, the step of selecting the initial display screen meeting the preset condition from the initial tiled screens as the screen to be detected, includes:
s1011, when the initial display screen displays a preset reference picture, respectively obtaining a maximum brightness value, a minimum brightness value, a maximum chromatic value and a minimum chromatic value in a plurality of preset detection areas of the initial display screen;
for example, the initial display screen includes a plurality of preset detection areas, and in an embodiment, the distance between two adjacent preset detection areas is equal. When the initial display screen displays a preset reference picture, respectively obtaining the brightness value and the chromatic value of each preset detection area in a plurality of preset detection areas of the initial display screen, and then obtaining the maximum brightness value L and the minimum value in a plurality of brightness valuesmaxAnd a minimum luminance value LminAnd acquiring the maximum value and the minimum value of the plurality of colorimetric values to obtain the maximum colorimetric value and the minimum colorimetric value. The preset reference picture is, for example, a pure white picture.
S1012, judging whether the initial display screen meets a preset condition or not according to the maximum brightness value, the minimum brightness value, the maximum chromatic value and the minimum chromatic value;
the step S1012, that is, the step of determining whether the initial display screen meets the preset condition according to the maximum brightness value, the minimum brightness value, the maximum chromatic value, and the minimum chromatic value includes:
s201, acquiring brightness uniformity according to the maximum brightness value and the minimum brightness value;
wherein U islThe brightness uniformity is said.
S202, when the brightness uniformity meets a first preset condition, judging whether the initial display screen meets a second preset condition according to the maximum chromatic value and the minimum chromatic value;
the S202 may include:
s2021, obtaining the chroma uniformity according to the maximum chroma value and the minimum chroma value;
for example, the maximum chromaticity value includes a first maximum chromaticity value xmaxAnd a second maximum chromaticity value ymaxThe first maximumColorimetric value xmaxIs the maximum chromaticity value in the first preset direction (X direction); the second maximum chromaticity value ymaxIs the maximum chromaticity value in the second predetermined direction (Y direction).
The minimum chromaticity value includes a first minimum chromaticity value xminAnd said second minimum chromaticity value yminThe first minimum chromaticity value xminIs the minimum chromatic value in the first preset direction; the second minimum chromaticity value yminIs the minimum chromatic value in the second preset direction;
the step of obtaining the chroma uniformity according to the maximum chroma value and the minimum chroma value in the step S2021 includes:
s301, obtaining a first chroma uniformity according to the first maximum chroma value and the first minimum chroma value;
for example, the first chroma homogeneity Δ x satisfies the following equation:
Δx＝xmax－xmin；
s302, obtaining a second chroma uniformity according to the second maximum chroma value and the second minimum chroma value;
for example, the second chroma homogeneity Δ y satisfies the following equation:
Δy＝ymax－ymin；
s2022, when the chroma homogeneity meets a second preset condition, judging that the initial display screen meets the second preset condition.
For example, when both the first color homogeneity and the second color homogeneity satisfy a second preset condition, it is determined that the initial display screen satisfies the second preset condition. In one embodiment, when Δ x and Δ y are both smaller than 0.001, it is determined that the initial display screen satisfies the second preset condition.
And S1013, when the initial display screen meets a preset condition, taking the initial display screen as a screen to be detected.
For example, in one embodiment, when U isl>And when the delta x and the delta y are both smaller than 0.001 percent, judging that the initial display screen meets the preset condition.
For example, the brightness value and the chroma value of 81 positions (intersection points between 10 horizontal and vertical dividing lines) of the original display screen under the pure white picture are measured by a measuring instrument, and the maximum brightness value L of the 81 positions is obtainedmaxAnd a minimum luminance value LminAnd a first maximum chromaticity value xmaxAnd a first minimum chromaticity value xminSecond maximum colorimetric value ymaxAnd a second minimum chromaticity value ymin。
The single screen to be detected is divided into two virtual display areas, the two virtual display areas simulate two display screens in an actual spliced screen, the influence of process factors on chromaticity is eliminated, then test pictures with consistent brightness and smaller chromaticity difference are input into the two virtual display areas to obtain a detection result, and then the chromaticity specification of the manufactured display screen is set according to the chromaticity detection result, so that the accuracy of the chromaticity specification is improved, and the display effect of the spliced screen is improved.
According to the chromaticity adjusting method of the display screen, the initial display screen meeting the preset conditions is selected from the initial spliced screens to serve as the screen to be detected, and the screen to be detected is divided into a first virtual display area, a second virtual display area and a virtual frame area; displaying a first detection picture in the first virtual display area; displaying a second detection picture in the second virtual display area, and detecting the color difference between the displayed first detection picture and the second detection picture to obtain a detection result; and setting the chromatic value of the target display screen according to the detection result to form a target spliced screen, wherein the influence of the process factors on the chromatic value is eliminated and the accuracy of chromatic value setting is improved because two spliced screens are simulated by a single display screen, thereby improving the display effect of the spliced screen.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. A chromaticity adjusting method of a display screen is characterized by comprising the following steps:
selecting an initial display screen meeting preset conditions from initial spliced screens as a screen to be detected, wherein the initial spliced screens comprise a plurality of initial display screens;
dividing the screen to be detected into a first virtual display area, a second virtual display area and a virtual frame area; the size of the first virtual display area is equal to that of the second virtual display area, and the virtual frame area is positioned outside the first virtual display area and the second virtual display area;
displaying a first detection picture in the first virtual display area;
displaying a second detection picture in the second virtual display area, wherein the brightness value of the first detection picture is equal to the brightness value of the second detection picture, and the difference value between the chromatic value of the second detection picture and the chromatic value of the first detection picture is within a preset range;
detecting the color difference between the displayed first detection picture and the displayed second detection picture to obtain a detection result;
and setting a chromatic value of a target display screen according to the detection result, wherein the target display screen is used for forming a target spliced screen.
2. The chromaticity adjusting method of the display screen according to claim 1, wherein the screen to be detected includes a display area, and a width of the first virtual display area satisfies the following equation:
0.2l≤l’≤0.4l；
wherein l' is the width of the first virtual display area, and l is the width of the display area of the screen to be detected.
3. The chromaticity adjusting method of the display screen according to claim 1, wherein the screen to be detected further includes a physical frame area, and the step of dividing the screen to be detected into the first virtual display area, the second virtual display area, and the virtual frame area includes:
dividing the screen to be detected into a first virtual display area, a second virtual display area, a virtual frame area and a virtual non-display area; the virtual non-display area is located outside the virtual frame area, and the physical frame area is located outside the virtual non-display area.
4. The method for adjusting the chromaticity of a display screen according to claim 3, wherein a distance w' between the first virtual display area and the second virtual display area satisfies the following equation:
wherein l' is the width of the first virtual display area, l is the width of the display area of the screen to be detected, and w is the width of the physical frame area.
5. The method for adjusting chromaticity of a display screen according to claim 3, wherein after the step of displaying a second detected picture in the second virtual display area and before the step of detecting color difference between the displayed first detected picture and the displayed second detected picture, the method further comprises:
displaying a first preset picture in the virtual frame area between the first virtual display area and the second virtual display area; or
And displaying a first preset picture in the virtual frame area between the first virtual display area and the second virtual display area, and displaying a second preset picture in the virtual non-display area.
6. The chromaticity adjusting method of a display screen according to claim 1,
the step of selecting the initial display screen meeting the preset conditions from the initial spliced screens as the screen to be detected comprises the following steps of:
when the initial display screen displays a preset reference picture, respectively acquiring a maximum brightness value, a minimum brightness value, a maximum chromatic value and a minimum chromatic value in a plurality of preset detection areas of the initial display screen;
judging whether the initial display screen meets a preset condition or not according to the maximum brightness value, the minimum brightness value, the maximum chromatic value and the minimum chromatic value;
and when the initial display screen meets the preset condition, taking the initial display screen as a screen to be detected.
7. The chromaticity adjusting method of a display screen according to claim 6,
the step of judging whether the initial display screen meets a preset condition according to the maximum brightness value, the minimum brightness value, the maximum chromatic value and the minimum chromatic value comprises the following steps:
acquiring brightness uniformity according to the maximum brightness value and the minimum brightness value;
and when the brightness uniformity meets a first preset condition, judging whether the initial display screen meets a second preset condition according to the maximum chromatic value and the minimum chromatic value.
8. The method of claim 7, wherein the step of determining whether the initial display screen satisfies a second predetermined condition according to the maximum chromaticity value and the minimum chromaticity value comprises:
obtaining the chroma uniformity according to the maximum chroma value and the minimum chroma value;
and when the chroma uniformity meets a second preset condition, judging that the initial display screen meets the second preset condition.
9. The method of claim 8, wherein the maximum chromaticity value comprises a first maximum chromaticity value and a second maximum chromaticity value, and the first maximum chromaticity value is a maximum chromaticity value in a first predetermined direction; the second maximum chromatic value is a maximum chromatic value in a second preset direction;
the minimum chromaticity value comprises a first minimum chromaticity value and a second minimum chromaticity value, and the first minimum chromaticity value is a minimum chromaticity value in the first preset direction; the second minimum chromatic value is a minimum chromatic value in the second preset direction;
the step of obtaining the chroma uniformity according to the maximum chroma value and the minimum chroma value comprises the following steps:
obtaining a first chroma uniformity according to the first maximum chroma value and the first minimum chroma value;
obtaining a second chroma uniformity according to the second maximum chroma value and the second minimum chroma value;
the step of when the chrominance uniformity meets a second preset condition comprises the following steps:
and when the first chrominance homogeneity and the second chrominance homogeneity both meet a second preset condition, judging that the initial display screen meets the second preset condition.
10. The method for adjusting chromaticity of a display screen according to claim 6, wherein the distance between two adjacent preset detection areas is equal.
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| CN112558907B (en) * | 2020-12-10 | 2021-08-10 | 深圳市普汇智联科技有限公司 | Splicing wall color uniformity and consistency control method based on camera |
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| CN103985324B (en) * | 2014-05-31 | 2016-10-05 | 深圳市华星光电技术有限公司 | Flexible splicing display device |
| CN105336286A (en) * | 2014-07-29 | 2016-02-17 | 杭州海康威视数字技术股份有限公司 | Spliced screen color adjusting method and device |
| CN207149240U (en) * | 2017-03-15 | 2018-03-27 | 苏州瑞特纳电子科技有限公司 | A kind of automatic chromatic aberration correction system of splicer |
| CN107103874B (en) * | 2017-07-06 | 2019-01-18 | 苏州科达科技股份有限公司 | The bright concealed wire bearing calibration of spliced LED display and device |
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2018
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