CN116524870B - 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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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 218
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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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0242—Compensation of deficiencies in the appearance of colours
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
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Abstract
The invention discloses a method and a system for optimizing chromaticity of a liquid crystal display screen and a liquid crystal display device, wherein the method comprises the steps of obtaining image information of the liquid crystal display screen and obtaining real-time display information of the liquid crystal display screen; and calculating according to the real-time display information of the liquid crystal display screen to obtain real-time chromaticity data of the liquid crystal display screen. The invention obtains the chromaticity parameter information of the liquid crystal display screen to be adjusted in advance, then determines the chromaticity optimization adjustment quantity of the liquid crystal display screen, and then outputs the tuning chromaticity according to the actual optimization value. The real-time chromaticity of the liquid crystal display screen is fed back and tuned, so that the chromaticity of the liquid crystal display screen does not need to be manually adjusted, and the defects that the manual adjustment of the chromaticity of the display screen is time-consuming and labor-consuming and the adjustment and optimization effects are poor in the prior art are effectively overcome. The chromaticity of the liquid crystal display screen can be quickly and effectively adjusted, and the color reproduction and rendering effects of the liquid crystal display screen are improved. The invention has higher practical value and economic benefit.
Description
Technical Field
The invention relates to the technical field of liquid crystal display screen chromaticity optimization, 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 widely used in electronic products due to the advantages of low cost, small size, low power consumption and the like. Along with the increasing demand of liquid crystal display, the demand for chromaticity output is also increasing. However, there is a coloring difference phenomenon between different liquid crystal display panels due to manufacturing deviation in the production process, difference in liquid crystal materials, etc., which affects the chromaticity performance of the liquid crystal display panels, which affects the display effect thereof.
In order to solve this problem, there have been proposed various methods such as manually adjusting the chromaticity of the liquid crystal display using visual inspection or instrumental measurement methods, which are time consuming and laborious and require the participation of technicians, which are not suitable for mass production.
Disclosure of Invention
The invention aims to solve the defects that the prior art is time-consuming and labor-consuming in manual adjustment of the chromaticity of a display screen and the adjustment and optimization effects are poor in the prior art, and provides a method and a system for optimizing the chromaticity of a liquid crystal display screen and a liquid crystal display device.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the first aspect of the invention provides 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.
In a possible embodiment, the method for obtaining real-time chromaticity data of the liquid crystal display screen through calculation includes:
extracting real-time display information of the liquid crystal display screen, and integrating to obtain an initial display image of the liquid crystal display screen;
presetting a standard image chromaticity space according to various parameters of the liquid crystal display;
substituting the initial display image of the liquid crystal display screen into a standard image chromaticity space to obtain real-time chromaticity data of the liquid crystal display screen.
In a possible embodiment, the method for obtaining the optimal adjustment amount of the liquid crystal display screen includes:
image segmentation is carried out on an initial display image of the liquid crystal display screen, and at least two initial display image subareas are obtained;
setting a chromaticity contrast position in an initial display image subarea, adjusting real-time chromaticity data of the chromaticity contrast position by utilizing Photoshop software, and performing real-time comparison with a standard image chromaticity space to obtain optimized data information of the chromaticity contrast position;
and carrying out balance treatment on the chromaticity of the liquid crystal display screen according to the optimized data information of the chromaticity reference position to obtain the optimized adjustment quantity of the liquid crystal display screen.
In a possible embodiment, the method for equalizing chromaticity of the liquid crystal display screen includes:
and setting different bright thresholds for pixel points in each initial display image subarea by adopting a gamma correction technology so as to realize balanced display of the liquid crystal display screen.
In a possible embodiment, the optimized adjustment amount of the liquid crystal display screen includes:
one or more of brightness, contrast, color temperature and saturation of the liquid crystal display.
In a possible embodiment, the method for optimally adjusting the chromaticity of the liquid crystal display screen by using the output electric signal includes:
obtaining optimal adjustment information according to the optimal adjustment quantity of the liquid crystal display;
the optimization adjustment information is imported into a liquid crystal display screen, and the liquid crystal display screen outputs an adjustment electric signal through processing and analyzing the optimization adjustment amount information;
and the liquid crystal display screen adjusts the display effect of the liquid crystal display screen according to the adjusting electric signal to obtain a tuning display picture of the liquid crystal display screen.
In one possible embodiment, the electrical signal is output by adjusting the chromaticity of the liquid crystal display through a color adjusting circuit built in the liquid crystal display.
In a possible embodiment, the chromaticity optimization method further includes:
extracting a secondary display image of the liquid crystal display screen according to the tuning display picture of the liquid crystal display screen;
performing color segmentation on a secondary display image of the liquid crystal display screen to obtain a plurality of sub-areas of the secondary display image;
and selecting a subarea of any secondary display image as a test bit, processing and comparing the test bit by using a standard image chromaticity space to obtain chromaticity data of the test bit, and determining that the chromaticity data of the test bit meets the requirement of optimizing adjustment quantity.
The second aspect of the present invention provides a system for optimizing chromaticity of a liquid crystal display, which adopts the method for optimizing chromaticity of a liquid crystal display according to any one of the first aspect, and the optimizing system further includes:
the image processing module is internally provided with Photoshop software;
the color adjusting module is used for adjusting the screen display effect of the liquid crystal display screen;
and the comparison module is used for comparing the chromaticity of the liquid crystal display screen.
A third aspect of the present invention provides a liquid crystal display device, employing a method for optimizing chromaticity of a liquid crystal display panel according to any one of the first aspect.
The beneficial effects of the invention are as follows:
in the embodiment of the invention, the chromaticity optimization adjustment quantity of the liquid crystal display screen is determined by acquiring the chromaticity parameter information of the liquid crystal display screen to be adjusted in advance, and then the electric signal is output to tune the chromaticity according to the actual optimization value. The real-time chromaticity of the liquid crystal display screen is fed back and tuned, so that the chromaticity of the liquid crystal display screen does not need to be manually adjusted, and the defects that the manual adjustment of the chromaticity of the display screen is time-consuming and labor-consuming and the adjustment and optimization effects are poor in the prior art are effectively overcome. The chromaticity of the liquid crystal display screen can be quickly and effectively adjusted, and the color reproduction and rendering effects of the liquid crystal display screen are improved. The invention has higher practical value and economic benefit, and has innovation and practicability.
Drawings
Fig. 1 is a schematic overall flow chart of a chromaticity optimization method for a liquid crystal display according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a portion of a method for optimizing chromaticity of a liquid crystal display according to an embodiment of the present invention;
fig. 3 is a schematic flow chart of another part of a method for optimizing chromaticity of a liquid crystal display according to an embodiment of the invention.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. 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.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Examples
The invention provides a method and a system for optimizing the chromaticity of a liquid crystal display screen and a liquid crystal display device, which aim to solve the defects that the prior art is time-consuming and labor-consuming in manual adjustment of the chromaticity of the display screen and the adjustment and optimization effects are poor. The chromaticity optimization method is characterized in that chromaticity parameter information of the liquid crystal display screen to be adjusted is obtained in advance, chromaticity optimization adjustment quantity of the liquid crystal display screen is determined, and then electric signal output tuning chromaticity is carried out according to an actual optimization value. The real-time chromaticity of the liquid crystal display screen is fed back and tuned, so that the chromaticity of the liquid crystal display screen does not need to be manually adjusted, and the defects that the manual adjustment of the chromaticity of the display screen is time-consuming and labor-consuming and the adjustment and optimization effects are poor in the prior art are effectively overcome. The chromaticity of the liquid crystal display screen can be quickly and effectively adjusted, and the color reproduction and rendering effects of the liquid crystal display screen are improved. The invention has higher practical value and economic benefit, and has innovation and practicability.
Referring to fig. 1 to 3, in particular, a first aspect of the present invention provides a liquid crystal display
The screen chromaticity optimization method comprises the following steps:
the method can acquire the image information of the liquid crystal display screen in a wired or wireless mode, and acquire the real-time display information of the liquid crystal display screen; the data conversion connection can be used for wire or image recognition, for example: the picture signal to the liquid crystal display can be obtained through an external image input interface, such as HDMI, DVI interface, etc. The chromaticity data of the liquid crystal display may also be obtained by a built-in chromaticity measuring instrument or measured by an external instrument, such as a colorimeter, a color difference meter, etc.
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; that is, in this embodiment, after the image color saturation and the display degree of the liquid crystal display are analyzed, the chromaticity data information in the current liquid crystal display can be obtained. In a possible embodiment, the real-time display information of the liquid crystal display screen is acquired through Photoshop software.
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; according to the real-time image of the liquid crystal display screen, whether the chromaticity of the liquid crystal display screen is required to be optimized or not is judged, and an optimization standard is determined, so that the condition that the qualified liquid crystal display screen is required to be repeatedly detected for many times is avoided, and the chromaticity optimization efficiency of the liquid crystal display screen is effectively improved.
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; the chromaticity optimization tuning quantity of the liquid crystal display screen is determined according to the optimization standard of the liquid crystal display screen, and the chromaticity optimization effect of the subsequent liquid crystal display screen is guaranteed.
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. I.e. the tuning of the electrical signal output according to the actual optimized value.
Referring to fig. 2, in this embodiment, in order to facilitate understanding how to obtain real-time chromaticity data of a current lcd using real-time display information of the lcd, the method for obtaining real-time chromaticity data of the lcd by performing calculation includes:
extracting real-time display information of the liquid crystal display screen, and integrating to obtain an initial display image of the liquid crystal display screen;
presetting a standard image chromaticity space according to various parameters of the liquid crystal display;
substituting the initial display image of the liquid crystal display screen into a standard image chromaticity space to obtain real-time chromaticity data of the liquid crystal display screen. The standard image chromaticity space (such as editing a layer) can be constructed by adopting Photoshop software, the initial display image of the liquid crystal display screen is processed and analyzed to obtain initial parameter data of the liquid crystal display screen, and then chromaticity value extraction is carried out according to the initial parameter data; (the initial parameter data includes, but is not limited to, hardware parameters of brightness, contrast, color temperature, etc. of the liquid crystal display screen, that is, the chromaticity range is optimized by the hardware parameters of brightness, contrast, color temperature, etc. of the liquid crystal display screen).
Referring to fig. 1 to 3, in this embodiment, in order to facilitate understanding how to obtain the optimal adjustment amount of the liquid crystal display by using real-time display information of the liquid crystal display, the following example is taken herein, and the method for obtaining the optimal adjustment amount of the liquid crystal display includes:
image segmentation is carried out on an initial display image of the liquid crystal display screen, and at least two initial display image subareas are obtained; by dividing the initial display image of the liquid crystal display, the technical problem that a certain area of the liquid crystal display is technically solved, and the optimal adjustment quantity of the liquid crystal display cannot be obtained is avoided.
Setting a chromaticity contrast position in an initial display image subarea, adjusting real-time chromaticity data of the chromaticity contrast position by utilizing Photoshop software, and performing real-time comparison with a standard image chromaticity space to obtain optimized data information of the chromaticity contrast position; dividing an initial display image into a plurality of subareas, and analyzing and acquiring the chromaticity of the subareas in real time by utilizing Photoshop software to ensure the real-time chromaticity data equilibrium of chromaticity control positions on a liquid crystal display screen. In other words, the method for obtaining the optimized data information of the chromaticity control bits by the liquid crystal display can be to integrate and adjust the real-time chromaticity data on the plurality of chromaticity control bits, and obtain the optimized data information of the chromaticity control bits by using the least square method, so that the optimized data information of the chromaticity control bits can be obtained more quickly and accurately, namely, the optimized data information on the liquid crystal display is also obtained.
And carrying out balance treatment on the chromaticity of the liquid crystal display screen according to the optimized data information of the chromaticity reference position to obtain the optimized adjustment quantity of the liquid crystal display screen.
In a possible embodiment, in order to ensure that the chromaticity optimization effect on the liquid crystal display screen is better, the following is exemplified herein, where the method for performing the equalization processing on the chromaticity of the liquid crystal display screen includes:
and setting different bright thresholds for pixel points in each initial display image subarea by adopting a gamma correction technology so as to realize balanced display of the liquid crystal display screen. Namely, a plurality of different standards are set in the pixel points in the initial display image subregion, so that the imaging effect of the pixel points is better and clearer. That is, in a possible embodiment, the lcd may further include a plurality of color modes pre-stored in the lcd, each color mode setting a corresponding color temperature and saturation, and these different modes may be used to adjust the color range and saturation. Selecting the correct color mode may make the colors more realistic to the actual scene while enhancing the visual effect of the image.
In this embodiment, the method for optimally adjusting the chromaticity of the liquid crystal display by using the output electrical signal includes:
obtaining optimal adjustment information according to the optimal adjustment quantity of the liquid crystal display;
the optimization adjustment information is imported into a liquid crystal display screen, and the liquid crystal display screen outputs an adjustment electric signal through processing and analyzing the optimization adjustment amount information;
and the liquid crystal display screen adjusts the display effect of the liquid crystal display screen according to the adjusting electric signal to obtain a tuning display picture of the liquid crystal display screen. Namely, the optimal adjustment amount of the liquid crystal display screen comprises the following steps: one or more of brightness, contrast, color temperature and saturation of the liquid crystal display.
In this embodiment, the electrical signal is output by adjusting the chromaticity of the liquid crystal display through a color adjusting circuit built in the liquid crystal display. The chromaticity optimization accuracy and the chromaticity optimization efficiency of the liquid crystal display screen can be effectively improved.
In this embodiment, in order to ensure that the imaging effect of the tuned display screen of the liquid crystal display screen is optimal, a secondary verification is further set herein, and specifically, the chromaticity optimization method further includes:
extracting a secondary display image of the liquid crystal display screen according to the tuning display picture of the liquid crystal display screen;
performing color segmentation on a secondary display image of the liquid crystal display screen to obtain a plurality of sub-areas of the secondary display image;
and selecting a subarea of any secondary display image as a test bit, processing and comparing the test bit by using a standard image chromaticity space to obtain chromaticity data of the test bit, and determining that the chromaticity data of the test bit meets the requirement of optimizing adjustment quantity. The method comprises the steps of comparing a tuned display picture of a tuned liquid crystal display with optimized chromaticity data of an actual standard, determining the chromaticity optimization effect of the liquid crystal display, and effectively reducing the possibility of tuning failure of the liquid crystal display.
The second aspect of the present invention provides a system for optimizing chromaticity of a liquid crystal display, which adopts the method for optimizing chromaticity of a liquid crystal display according to any one of the first aspect, and the optimizing system further includes:
the image processing module is internally provided with Photoshop software; the real-time display image of the liquid crystal display screen is analyzed and processed by the image processing module, so that the real-time chromaticity value of the liquid crystal display screen is obtained, and the follow-up optimization tuning is facilitated.
The color adjusting module is used for adjusting the screen display effect of the liquid crystal display screen;
and the comparison module is used for comparing the chromaticity of the liquid crystal display screen.
A third aspect of the present invention provides a liquid crystal display device comprising: one or more processors; a storage device having one or more programs stored thereon; the one or more programs, when executed by the one or more processors, cause the one or more processors to implement a method for chromaticity optimization for a liquid crystal display as described in the first aspect.
The above-described programs may be written in computer program code for carrying out operations of some embodiments of the present disclosure in one or more programming languages, including an object oriented programming language such as Java, smalltalk, C ++ and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computer (for example, through the Internet using an Internet service provider).
The flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The functions described above herein may be performed, at least in part, by one or more hardware logic components. For example, without limitation, exemplary types of hardware logic components that may be used include: a Field Programmable Gate Array (FPGA), an Application Specific Integrated Circuit (ASIC), an Application Specific Standard Product (ASSP), a system on a chip (SOC), a Complex Programmable Logic Device (CPLD), and the like. That is, a fourth aspect of the present invention provides a computer-readable medium having a computer program stored thereon, wherein the program, when executed by a processor, implements a liquid crystal display chromaticity optimization method as described in the first aspect.
In particular, according to some embodiments of the present disclosure, the processes described above with reference to flowcharts may be implemented as computer software programs. For example, some embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method shown in the flow chart.
It should be noted that, the computer readable medium described in some embodiments of the present disclosure may be a computer readable signal medium or a computer readable storage medium, or any combination of the two. The computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples of the computer-readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In some embodiments of the present disclosure, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In some embodiments of the present disclosure, however, the computer-readable signal medium may comprise a data signal propagated in baseband or as part of a carrier wave, with the computer-readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, fiber optic cables, RF (radio frequency), and the like, or any suitable combination of the foregoing.
A fifth aspect of the invention provides a computer program product comprising a computer program which, when executed by a processor, implements a method of liquid crystal display chromaticity optimization as described in the first aspect.
The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by those skilled in the art that the scope of the invention in the embodiments of the present disclosure is not limited to the specific combination of the above technical features, but encompasses other technical features formed by any combination of the above technical features or their equivalents without departing from the spirit of the invention. Such as the above-described features, are mutually substituted with (but not limited to) the features having similar functions disclosed in the embodiments of the present disclosure.
Claims (8)
1. The method for optimizing the chromaticity of the liquid crystal display screen is characterized by comprising the following steps of:
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 chromaticity data of the liquid crystal display screen is met;
the method for obtaining the real-time chromaticity data of the liquid crystal display screen by calculation comprises the following steps:
extracting real-time display information of the liquid crystal display screen, and integrating to obtain an initial display image of the liquid crystal display screen;
presetting a standard image chromaticity space according to various parameters of the liquid crystal display;
substituting an initial display image of the liquid crystal display screen into a standard image chromaticity space to obtain real-time chromaticity data of the liquid crystal display screen;
the method for obtaining the optimal adjustment quantity of the liquid crystal display screen comprises the following steps:
image segmentation is carried out on an initial display image of the liquid crystal display screen, and at least two initial display image subareas are obtained;
setting a chromaticity contrast position in an initial display image subarea, adjusting real-time chromaticity data of the chromaticity contrast position by utilizing Photoshop software, and performing real-time comparison with a standard image chromaticity space to obtain optimized data information of the chromaticity contrast position;
and carrying out balance treatment on the chromaticity of the liquid crystal display screen according to the optimized data information of the chromaticity reference position to obtain the optimized adjustment quantity of the liquid crystal display screen.
2. The method for optimizing chromaticity of a liquid crystal display as recited in claim 1, wherein said method for equalizing chromaticity of a liquid crystal display comprises:
and setting different bright thresholds for pixel points in each initial display image subarea by adopting a gamma correction technology so as to realize balanced display of the liquid crystal display screen.
3. The method for optimizing chromaticity of a liquid crystal display as recited in claim 2, wherein said optimizing adjustment of said liquid crystal display comprises:
one or more of brightness, contrast, color temperature and saturation of the liquid crystal display.
4. A method for optimizing chromaticity of a liquid crystal display as recited in claim 3, wherein said method for optimizing chromaticity of a liquid crystal display by said outputted electrical signal comprises:
obtaining optimal adjustment information according to the optimal adjustment quantity of the liquid crystal display;
the optimization adjustment information is imported into a liquid crystal display screen, and the liquid crystal display screen outputs an adjustment electric signal through processing and analyzing the optimization adjustment amount information;
and the liquid crystal display screen adjusts the display effect of the liquid crystal display screen according to the adjusting electric signal to obtain a tuning display picture of the liquid crystal display screen.
5. The method according to any one of claims 1 to 4, wherein the electric signal is outputted by adjusting chromaticity of the liquid crystal display through a color adjusting circuit built in the liquid crystal display.
6. The method of claim 5, further comprising:
extracting a secondary display image of the liquid crystal display screen according to the tuning display picture of the liquid crystal display screen;
performing color segmentation on a secondary display image of the liquid crystal display screen to obtain a plurality of sub-areas of the secondary display image;
and selecting a subarea of any secondary display image as a test bit, processing and comparing the test bit by using a standard image chromaticity space to obtain chromaticity data of the test bit, and determining that the chromaticity data of the test bit meets the requirement of optimizing adjustment quantity.
7. A system for optimizing chromaticity of a liquid crystal display, wherein a method for optimizing chromaticity of a liquid crystal display according to any one of claims 1 to 6 is employed, the optimizing system further comprising:
the image processing module is internally provided with Photoshop software;
the color adjusting module is used for adjusting the screen display effect of the liquid crystal display screen;
and the comparison module is used for comparing the chromaticity of the liquid crystal display screen.
8. A liquid crystal display device, characterized in that a method for optimizing chromaticity of a liquid crystal display panel according to any one of claims 1 to 6 is employed.
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