CN117392963B - Liquid crystal display screen chromaticity optimization method and system and liquid crystal display device - Google Patents
Liquid crystal display screen chromaticity optimization method and system and liquid crystal display device Download PDFInfo
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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
Abstract
The invention relates to the technical field of liquid crystal display screen display, and discloses a liquid crystal display screen chromaticity optimization method, a liquid crystal display screen chromaticity optimization system and a liquid crystal display device, wherein the liquid crystal display screen chromaticity optimization method comprises the following steps: setting a position coordinate P of each pixel unit corresponding to the liquid crystal display screen, establishing an RGB color space based on red, green and blue of trichromatic light, and setting a chromaticity coordinate of each color as S; according to the method, the system and the liquid crystal display device for optimizing the chromaticity of the liquid crystal display screen, the position coordinates of each pixel unit are combined with the corresponding chromaticity coordinates, before the image information is displayed, the chromaticity information of each pixel unit of original image information is obtained, the region and the boundary with the same chromaticity depth are obtained by utilizing the comparison of the chromaticity information, then the chromaticity coordinates with deviation are optimized and adjusted, the chromaticity optimization of the liquid crystal display screen can be completed before the image information is displayed, the chromaticity optimization processing effect is good, and meanwhile, the chromaticity optimization adjustment can be realized only by utilizing the chromaticity coordinates for comparison.
Description
Technical Field
The invention relates to the technical field of liquid crystal display screen display, in particular to a liquid crystal display screen chromaticity optimization method and system and a liquid crystal display device.
Background
The liquid crystal display screen is a display device composed of a certain number of color or black and white pixels, changes the light angle of the sleeved liquid crystal by changing the arrangement mode of liquid crystal molecules, and realizes the combination of different colors by matching with a color filter film and a polarizing plate.
When the liquid crystal display screen is used, the display chromaticity is required to be optimized, and the disclosed patent literature discloses a liquid crystal display screen chromaticity optimization method, a liquid crystal display screen chromaticity optimization system and a liquid crystal display device, and the publication numbers are as follows: CN116524870B discloses a method for optimizing chromaticity of a liquid crystal display, which comprises the following steps: acquiring image information of the liquid crystal display screen, and acquiring real-time display information of the liquid crystal display screen; according to the real-time display information of the liquid crystal display screen, calculating to obtain real-time chromaticity data of the liquid crystal display screen; according to the real-time display information of the liquid crystal display screen and the real-time chromaticity data of the liquid crystal display screen, the optimal display chromaticity data of the liquid crystal display screen is determined; comparing the real-time chromaticity data of the liquid crystal display screen with the optimized display chromaticity data of the liquid crystal display screen to obtain the optimized adjustment quantity of the liquid crystal display screen; converting the optimized adjustment quantity of the liquid crystal display screen into an electric signal for output, and optimizing and adjusting the chromaticity of the liquid crystal display screen through the output electric signal; repeating the above work until the requirement of optimal display of the chromaticity data of the liquid crystal display screen is met.
According to the technical scheme, the chromaticity data displayed by the liquid crystal display screen is monitored in real time, then the display chromaticity is optimized in real time, the optimization after chromaticity display belongs to the phenomenon that the chromaticity of the liquid crystal display screen flickers during optimization, meanwhile, the display chromaticity of the display screen is required to be monitored in real time in the optimization mode, data comparison calculation is carried out in real time, the data processing capacity is large, and the data processing performance requirement of the liquid crystal display device is high.
Disclosure of Invention
In order to solve the problems that the prior optimization method for the display chromaticity of the liquid crystal display screen belongs to optimization after chromaticity display, the liquid crystal display screen can generate the phenomenon of chromaticity flickering during chromaticity optimization, and the data processing amount is larger during chromaticity optimization, and the data processing performance requirement on the liquid crystal display device is high, the invention is realized by the following technical scheme: the liquid crystal display chromaticity optimization method comprises the following steps:
setting position coordinates P (a, b) of each pixel unit corresponding to the liquid crystal display screen, wherein a is a pixel coordinate point in the transverse direction of the liquid crystal display screen, b is a pixel coordinate point in the vertical direction of the liquid crystal display screen, building an RGB color space based on three primary colors of red, green and blue, and setting chromaticity coordinates of each color as S (x, y and z);
acquiring chromaticity information Q (P, S) corresponding to each pixel unit when the original image information is put in the liquid crystal display screen according to the original image information to be played, wherein the chromaticity information Q ((a, b), (x, y, z)) is the position information of which the position coordinate P is the chromaticity information and the chromaticity coordinate S is the chromaticity depth information of the chromaticity information;
identifying chromaticity information with the same chromaticity coordinate S and continuous position coordinates P in the chromaticity information corresponding to the original image information according to the obtained chromaticity information corresponding to each pixel unit;
determining the boundary of a region formed by the identified continuous position coordinates P, wherein the boundary is one pixel unit width, comparing the range enclosed by the boundary or the chromaticity information Q (P, S) corresponding to the range between two adjacent boundaries, and identifying chromaticity coordinates S with deviation in the chromaticity information Q (P, S), namely that the chromaticity coordinates S in the identified chromaticity information Q (P, S) are deviated from chromaticity coordinates S in the rest of the chromaticity information Q (P, S) in the most part of the range enclosed by the boundary;
and adjusting the chromaticity coordinate S with deviation to be the same as the chromaticity coordinates S in the contrast range.
Further, when the boundary has the deviated chromaticity coordinate S, the chromaticity coordinate S in the chromaticity information of the adjacent position of the boundary, which can establish a new boundary, is identified, and the chromaticity coordinate S in the chromaticity information of the boundary position is compared with the chromaticity coordinate S in the chromaticity information of the boundary position in a color difference manner, when the color difference is within a set range, the identified chromaticity coordinate S with the deviation is adjusted to be the same chromaticity coordinate S as the chromaticity coordinate S of the boundary position, so that the new boundary is formed, and the chromaticity display effect between two adjacent chromaticity boundaries is further optimized.
Further, the method for calculating the color difference between the two pixel units includes:
let S (x, y, z) be any point in the RGB color space, the corresponding feature vector is:
;
wherein,is the average of three components, is proportional to the coming years of the image, is the brightness characteristic of the image,;
,/>,/>reflecting the changes of each component, reflecting the concentration process of the componentsDegree and direction of deviation,/>,/>;
Setting any two points in RGB color spaceAnd->Their corresponding feature vector is +.>And->The color difference between the two pixel units is: />;
Wherein,representing normalization of vector angles in the range of (0, 255),
;
if it isAnd->Parallel, i.e.)>The color difference between the two pixel units is:
。
further, each primary color of the three primary colors of red, green and blue comprises a plurality of modulation chromaticity depths, including、/>、/>For example, when the modulated chrominance depth of each primary color is 8 bits, then each primary color contains 256 colors of chrominance depth, i.e. x comprises +.>Y includes->Z includes->The method comprises the steps of carrying out a first treatment on the surface of the The three primary colors may be combined to form 16777216 colors.
Further, the method for acquiring the chromaticity information Q (P, S) corresponding to each pixel unit when the original image information is put in the liquid crystal display screen includes:
the liquid crystal display screen receives the original image information in a digital signal mode, and acquires the image information of the original image information put in the liquid crystal display screen by utilizing the received digital signal;
identifying the chromaticity depth of each pixel unit position corresponding to the liquid crystal display according to the acquired image information, and analyzing the modulation chromaticity depth of three primary colors forming the chromaticity depth by utilizing the chromaticity depth;
and determining chromaticity coordinates S (x, y, z) of the chromaticity depth by utilizing the modulation chromaticity depths of the three primary colors, and further obtaining chromaticity information Q (P, S) corresponding to the pixel units.
A liquid crystal display chromaticity optimization system, comprising:
the image information acquisition module is used for receiving digital signals of original image information to be played and acquiring chromaticity information Q (P, S) corresponding to each pixel unit when the original image information is put in the liquid crystal display screen;
the chrominance information identification module is used for identifying chrominance information with the same chrominance coordinates S and continuous position coordinates P in the chrominance information corresponding to the original image information;
the boundary identifying module is used for determining the boundary of the area formed by the continuous position coordinates P identified by the chromaticity information identifying module;
a chromaticity deviation comparing module, configured to compare the chromaticity information Q (P, S) corresponding to a range enclosed by a closed-loop boundary or a range between two adjacent closed-loop boundaries, and identify chromaticity coordinates S (x, y, z) having a deviation in the chromaticity information Q (P, S);
and the chromaticity optimization adjustment module is used for adjusting the chromaticity coordinate S with deviation to be the chromaticity coordinate S which is the same as the other chromaticity coordinates S in the comparison range.
Further, the method further comprises the following steps:
the boundary identification and adjustment module is used for identifying the chromaticity coordinate S in the chromaticity information of the position where the two ends of the open loop are connected, comparing the chromaticity coordinate S with the chromaticity coordinate S in the chromaticity information of the boundary position, and adjusting the chromaticity coordinate S of the position between the two ends of the identified open loop to be the same chromaticity coordinate S as the chromaticity coordinate S of the boundary position when the chromaticity difference is within a set range.
The liquid crystal display device comprises a liquid crystal layer and a liquid crystal display screen chromaticity optimization system, wherein a pixel electrode, a TFT (thin film transistor), an X electrode and a Y electrode are arranged on the surface of a rear glass plate of the liquid crystal layer, the grid electrode of the TFT is connected with the X electrode, the source electrode of the TFT is connected with the Y electrode, and the drain electrode of the TFT is connected with the pixel electrode;
the image information acquisition module and the chromaticity optimization adjustment module in the liquid crystal display screen chromaticity optimization system are connected with the circuit control systems of the pixel electrode, the TFT tube, the X electrode and the Y electrode through electric signals.
Compared with the prior art, the invention has the following beneficial effects:
according to the method, the system and the liquid crystal display device for optimizing the chromaticity of the liquid crystal display screen, the position coordinates of each pixel unit are combined with the corresponding chromaticity coordinates, before image information is displayed, the chromaticity information of each pixel unit of original image information is obtained, the region and the boundary with the same chromaticity depth are obtained by utilizing the comparison of the chromaticity information, then the chromaticity coordinates with deviation are optimized and adjusted, the chromaticity optimization of the liquid crystal display screen can be completed before the image information is displayed, the chromaticity optimization processing effect is good, meanwhile, the chromaticity optimization adjustment can be realized only by utilizing the chromaticity coordinates for comparison, and the data processing amount is small.
Drawings
FIG. 1 is a schematic diagram of a boundary identification feature image according to the present invention;
FIG. 2 is a schematic diagram of a boundary identification feature image according to the present invention;
FIG. 3 is a third diagram of a boundary identification feature image according to the present invention;
FIG. 4 is a flow chart of a chromaticity optimization system for a liquid crystal display.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiments of the method, system and device for optimizing chromaticity of the liquid crystal display are as follows:
referring to fig. 1-3, the method for optimizing chromaticity of a liquid crystal display includes:
setting position coordinates P (a, b) of each pixel unit corresponding to the liquid crystal display, wherein a is a pixel coordinate point in the transverse direction of the liquid crystal display, b is a pixel coordinate point in the vertical direction of the liquid crystal display, establishing an RGB color space based on three primary colors of red, green and blue, and setting chromaticity coordinates of each color as S (x, y and z).
And acquiring chromaticity information Q (P, S) corresponding to each pixel unit when the original image information is put in the liquid crystal display screen according to the original image information to be played, wherein the chromaticity information Q ((a, b), (x, y, z)) is obtained, the position coordinate P is the position information of the chromaticity information, and the chromaticity coordinate S is the chromaticity depth information of the chromaticity information.
The method for acquiring the chromaticity information Q (P, S) corresponding to each pixel unit when the original image information is put in the liquid crystal display screen comprises the following steps:
the liquid crystal display screen receives the original image information in a digital signal mode, and the received digital signal is utilized to obtain the image information of the original image information put in the liquid crystal display screen.
And identifying the chromaticity depth of each pixel unit position corresponding to the liquid crystal display according to the acquired image information, and analyzing the modulation chromaticity depth of three primary colors forming the chromaticity depth by utilizing the chromaticity depth.
And determining chromaticity coordinates S (x, y, z) of the chromaticity depth by utilizing the modulation chromaticity depths of the three primary colors, and further obtaining chromaticity information Q (P, S) corresponding to the pixel units.
And identifying the chromaticity information with the same chromaticity coordinate S and continuous position coordinates P in the chromaticity information corresponding to the original image information according to the obtained chromaticity information corresponding to each pixel unit.
Determining the boundary of the area formed by the identified continuous position coordinates P, wherein the boundary is one pixel unit width, comparing the chromaticity information Q (P, S) corresponding to the range enclosed by the boundary or the range between two adjacent boundaries, and identifying the chromaticity coordinates S with deviation in the chromaticity information Q (P, S), namely, the chromaticity coordinates S in the identified chromaticity information Q (P, S) are deviated from the chromaticity coordinates S in the rest of the chromaticity information Q (P, S) in the range enclosed by the boundary.
When the chromaticity coordinates S with deviation exist in the boundary, the chromaticity coordinates S in the chromaticity information of the adjacent positions of the boundary, which can establish a new boundary, are identified, and are compared with the chromaticity coordinates S in the chromaticity information of the boundary position, when the chromatic aberration is within a set range, the identified chromaticity coordinates S with deviation are adjusted to be the same chromaticity coordinates S as the chromaticity coordinates S of the boundary position, so that the new boundary is formed, and the chromaticity display effect between the two adjacent chromaticity boundaries is further optimized.
The method for calculating the color difference between the two pixel units comprises the following steps:
let S (x, y, z) be any point in the RGB color space, the corresponding feature vector is:
;
wherein,is the average of three components, is proportional to the coming years of the image, is the brightness characteristic of the image,;
,/>,/>reflecting the change of each component, reflecting the concentration degree and the deviation direction of the components,,/>,/>;
setting any two points in RGB color spaceAnd->Their corresponding feature vector is +.>And->The color difference between the two pixel units is:
;
wherein,representing normalization of vector angles in the range of (0, 255),
;
if it isAnd->Parallel, i.e.)>The color difference between the two pixel units is:
。
further, each primary color of the three primary colors red, green and blue comprises a plurality of modulation chromaticity depths, including、/>、/>For example, when the modulation chromaticity depth of each primary color is +.>When each primary color then comprises colors of 256 chromaticity depths, i.e. x comprises +.>Y comprisesZ includes->The method comprises the steps of carrying out a first treatment on the surface of the The three primary colors may be combined to form 16777216 colors.
The chromaticity coordinate S with the deviation is adjusted to the same chromaticity coordinate S as the other chromaticity coordinates S in the comparison range.
Referring to fig. 4, a system for optimizing chromaticity of a liquid crystal display includes:
the image information acquisition module is used for receiving the digital signal of the original image information to be played and acquiring the chromaticity information Q (P, S) corresponding to each pixel unit when the original image information is put in the liquid crystal display screen.
And the chrominance information identification module is used for identifying the chrominance information with the same chrominance coordinates S and continuous position coordinates P in the chrominance information corresponding to the original image information.
And the boundary identification module is used for determining the boundary of the area formed by the continuous position coordinates P identified by the chromaticity information identification module.
And the chromaticity deviation comparison module is used for comparing chromaticity information Q (P, S) corresponding to a range surrounded by the closed loop boundaries or a range between two adjacent closed loop boundaries and identifying chromaticity coordinates S (x, y, z) with deviation in the chromaticity information Q (P, S).
And the chromaticity optimization adjustment module is used for adjusting the chromaticity coordinate S with deviation to be the chromaticity coordinate S which is the same as other chromaticity coordinates S in the comparison range.
The boundary identification and adjustment module is used for identifying the chromaticity coordinate S in the chromaticity information of the position where the two ends of the open loop are connected, comparing the chromaticity coordinate S with the chromaticity coordinate S in the chromaticity information of the boundary position, and adjusting the chromaticity coordinate S of the position between the two ends of the identified open loop to be the same chromaticity coordinate S as the chromaticity coordinate S of the boundary position when the chromaticity difference is within the set range.
A liquid crystal display device comprises a liquid crystal layer and a liquid crystal display screen chromaticity optimization system, wherein the surface of a rear glass plate of the liquid crystal layer is provided with a pixel electrode,Tube, X-electrode and Y-electrode, +.>The grid of the tube is connected with the X electrode, +.>The source of the tube is connected with the Y electrode, +.>The drain electrode of the tube is connected with the pixel electrode.
Image information acquisition module, chromaticity optimization adjustment module, pixel electrode, liquid crystal display screen chromaticity optimization system,The tube, the X electrode and the Y electrode are connected by electric signals.
Liquid crystal display device working principle:
the method comprises the steps of receiving digital signals of original image information to be played by utilizing an image information acquisition module, and acquiring chromaticity information Q (P, S) corresponding to each pixel unit when the original image information is put in a liquid crystal display screen, wherein P is a position coordinate P (a, b) of the pixel unit, and S is a chromaticity coordinate S (x, y, z) of the pixel unit.
Then, the chromaticity information identification module is used for identifying chromaticity information with the same chromaticity coordinate S in chromaticity information corresponding to the original image information and with continuous position coordinates P, and the boundary identification module is used for determining the boundary of the area formed by the continuous position coordinates P identified by the chromaticity information identification module.
After the boundary is determined, the chromaticity deviation comparison module is used for comparing chromaticity information Q (P, S) corresponding to a range enclosed by the boundary of the closed loop or a range between two adjacent closed loop boundaries, chromaticity coordinates S (x, y, z) with deviation in the chromaticity information Q (P, S) are identified, and finally the chromaticity optimization adjustment module is used for adjusting the chromaticity coordinates S with deviation to be the chromaticity coordinates S identical to other chromaticity coordinates S in the comparison range.
After the original image information acquired by the image information acquisition module is put in the liquid crystal display screen and the corresponding chromaticity information Q (P, S) of each pixel unit is subjected to optimization processing, the image information acquisition module sends electric signals to a control circuit system of a pixel electrode, a TFT (thin film transistor), an X electrode and a Y electrode, the control circuit system controls a circuit among the pixel electrode, the TFT, the X electrode and the Y electrode so as to apply voltage to the liquid crystal unit in the liquid crystal layer corresponding to each pixel unit, thereby changing the torsion angle of the liquid crystal material in the liquid crystal unit, modulating the tricolor light in the pixel unit so as to acquire chromaticity matched with chromaticity coordinates S (X, Y, z) of the corresponding pixel unit, and finally displaying the chromaticity in the liquid crystal display screen.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The liquid crystal display chromaticity optimization method is characterized by comprising the following steps of:
setting a position coordinate P (a, b) of each pixel unit corresponding to the liquid crystal display screen, establishing an RGB color space based on red, green and blue of the trichromatic light, and setting a chromaticity coordinate of each color as S (x, y, z);
acquiring chromaticity information Q (P, S) corresponding to each pixel unit when the original image information is put in the liquid crystal display screen according to the original image information to be played;
identifying chromaticity information with the same chromaticity coordinate S and continuous position coordinates P in the chromaticity information corresponding to the original image information according to the obtained chromaticity information corresponding to each pixel unit;
determining the boundary of the area formed by the identified continuous position coordinates P, wherein the boundary is the width of one pixel unit, comparing the range enclosed by the boundary or the chromaticity information Q (P, S) corresponding to the range between two adjacent boundaries, and identifying the chromaticity coordinate S with deviation in the chromaticity information Q (P, S);
adjusting the chromaticity coordinate S with deviation to be the same as other chromaticity coordinates S in a comparison range;
and when the chromatic coordinate S with deviation exists in the boundary, identifying the chromatic coordinate S in the chromatic information of the adjacent position of the boundary, which can establish a new boundary, and comparing the chromatic coordinate S with the chromatic coordinate S in the chromatic information of the boundary position, and when the chromatic aberration is within a set range, adjusting the identified chromatic coordinate S with deviation into the same chromatic coordinate S as the chromatic coordinate S of the boundary position, thereby forming the new boundary.
2. The method for optimizing chromaticity of a liquid crystal display as recited in claim 1, wherein: the calculating method of the chromatic aberration between the two pixel units comprises the following steps:
let S (x, y, z) be any point in the RGB color space, the corresponding feature vector is:
,
wherein,is the average of three components, is proportional to the brightness of the image, is the brightness characteristic of the image,;
reflecting the change of each component, reflecting the concentration degree and the deviation direction of the components,;
setting any two points in RGB color spaceAnd->Their corresponding feature vector is +.>And->The color difference between the two pixel units is: />;
Wherein,normalization of the representative vector angle in the range of (0, 255,) and->;
If it isAnd->Parallel, i.e.)>The color difference between the two pixel units is: />。
3. The method for optimizing chromaticity of a liquid crystal display as recited in claim 1, wherein: each primary color of the three primary colors of red, green and blue comprises a plurality of modulation chromaticity depths, including 8 bits, 10 bits and 12 bits.
4. The method for optimizing chromaticity of a liquid crystal display as recited in claim 1, wherein: the method for acquiring the chromaticity information Q (P, S) corresponding to each pixel unit when the original image information is put in the liquid crystal display screen comprises the following steps:
the liquid crystal display screen receives the original image information in a digital signal mode, and acquires the image information of the original image information put in the liquid crystal display screen by utilizing the received digital signal;
identifying the chromaticity depth of each pixel unit position corresponding to the liquid crystal display according to the acquired image information, and analyzing the modulation chromaticity depth of three primary colors forming the chromaticity depth by utilizing the chromaticity depth;
and determining chromaticity coordinates S (x, y, z) of the chromaticity depth by utilizing the modulation chromaticity depths of the three primary colors, and further obtaining chromaticity information Q (P, S) corresponding to the pixel units.
5. A liquid crystal display chromaticity optimization system employing the liquid crystal display chromaticity optimization method as claimed in any one of claims 1-4, comprising:
the image information acquisition module is used for receiving digital signals of original image information to be played and acquiring chromaticity information Q (P, S) corresponding to each pixel unit when the original image information is put in the liquid crystal display screen;
the chrominance information identification module is used for identifying chrominance information with the same chrominance coordinates S and continuous position coordinates P in the chrominance information corresponding to the original image information;
the boundary identifying module is used for determining the boundary of the area formed by the continuous position coordinates P identified by the chromaticity information identifying module;
a chromaticity deviation comparing module, configured to compare the chromaticity information Q (P, S) corresponding to a range enclosed by a closed-loop boundary or a range between two adjacent closed-loop boundaries, and identify chromaticity coordinates S (x, y, z) having a deviation in the chromaticity information Q (P, S);
and the chromaticity optimization adjustment module is used for adjusting the chromaticity coordinate S with deviation to be the chromaticity coordinate S which is the same as the other chromaticity coordinates S in the comparison range.
6. The lcd chromaticity optimization system as recited in claim 5, wherein: further comprises:
the boundary identification and adjustment module is used for identifying the chromaticity coordinate S in the chromaticity information of the position where the two ends of the open loop are connected, comparing the chromaticity coordinate S with the chromaticity coordinate S in the chromaticity information of the boundary position, and adjusting the chromaticity coordinate S of the position between the two ends of the identified open loop to be the same chromaticity coordinate S as the chromaticity coordinate S of the boundary position when the chromaticity difference is within a set range.
7. A liquid crystal display device, adopting the liquid crystal display screen chromaticity optimization system as claimed in claim 6, comprising a liquid crystal layer and a liquid crystal display screen chromaticity optimization system, wherein a pixel electrode, a TFT (thin film transistor), an X electrode and a Y electrode are arranged on the surface of a rear glass plate of the liquid crystal layer, the grid electrode of the TFT is connected with the X electrode, the source electrode of the TFT is connected with the Y electrode, and the drain electrode of the TFT is connected with the pixel electrode;
the image information acquisition module and the chromaticity optimization adjustment module in the liquid crystal display screen chromaticity optimization system are connected with the circuit control systems of the pixel electrode, the TFT tube, the X electrode and the Y electrode through electric signals.
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CN109192179A (en) * | 2018-10-29 | 2019-01-11 | 合肥鑫晟光电科技有限公司 | A kind of color degree compensating process, chromatic compensation device and computer-readable medium |
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TW201017610A (en) * | 2008-10-31 | 2010-05-01 | Dynascan Technology Corp | Uniformity compensation method for liquid crystal display (LCD) having non-uniform backlight board, and the display |
WO2012099157A1 (en) * | 2011-01-19 | 2012-07-26 | 京セラ株式会社 | Electronic device and chromaticity adjustment method |
CN109192179A (en) * | 2018-10-29 | 2019-01-11 | 合肥鑫晟光电科技有限公司 | A kind of color degree compensating process, chromatic compensation device and computer-readable medium |
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