WO2017107384A1

WO2017107384A1 - Image display method of liquid crystal display, and liquid crystal display

Info

Publication number: WO2017107384A1
Application number: PCT/CN2016/084424
Authority: WO
Inventors: 林健源
Original assignee: 深圳Tcl新技术有限公司
Priority date: 2015-12-23
Filing date: 2016-06-02
Publication date: 2017-06-29
Also published as: CN105372887B; CN105372887A

Abstract

Disclosed is an image display method of a liquid crystal display (1). The liquid crystal display (1) has a first liquid crystal panel (10), a second liquid crystal panel (20), a processor (30), and a backlight module (40). The method comprises the following steps: the processor (30) receives an input image, and acquires, from the input image, processed first image data and second image data (S10); the first liquid crystal panel (10) receives the first image data inputted by the processor (30), and the second liquid crystal panel (20) receives the second image data inputted by the processor (30) (S20); and when light emitted by the backlight module (40) sequentially passes through the first liquid crystal panel (10) and the second liquid crystal panel (20), the second liquid crystal panel (20) obtains an output image formed by superimposing the first image data and the second image data, and provide the same to the liquid crystal display (1) to display (S30). By combining two liquid crystal panels (10, 20) into a display having a color depth, the liquid crystal display (1) can mitigate and solve a color patch problem, thereby improving the quality of a picture displayed by the liquid crystal display (1).

Description

Image display method of liquid crystal display and liquid crystal display

Technical field

The present invention relates to the field of image display technologies, and in particular, to an image display method of a liquid crystal display and a liquid crystal display.

Background technique

At present, the panel color gradation of liquid crystal display is usually 8bit and 10bit, which is prone to block watermark in the continuous color gradation picture, especially in special fields such as medical and space, due to the high sampling rate of A/D converter. Watermarking problems are more likely to occur, thereby reducing the picture quality of the liquid crystal display.

The above content is only used to assist in understanding the technical solutions of the present invention, and does not constitute an admission that the above is prior art.

Summary of the invention

The main object of the present invention is to provide an image display method for a liquid crystal display and a liquid crystal display, which aims to improve and solve the watermark problem by combining two liquid crystal panels into a high color tone display, thereby improving the picture quality of the liquid crystal display.

In order to achieve the above object, the present invention provides an image display method for a liquid crystal display, the liquid crystal display having a first liquid crystal panel, a second liquid crystal panel, a processor, and a backlight module, and the first liquid crystal panel and the second liquid crystal panel a close fitting arrangement; the image display method of the liquid crystal display comprises the following steps:

The processor receives an input image and obtains processed first image data and second image data from the input image;

The first liquid crystal panel receives the first image data, and the second liquid crystal panel receives the second image data;

When the light source emitted by the backlight module sequentially passes through the first liquid crystal panel and the second liquid crystal panel, the second liquid crystal panel obtains an output image of the first image data and the second image data superimposed for Displaying the liquid crystal display;

The processor receives the input image, and the step of acquiring the processed first image data and the second image data from the input image includes:

The processor receives the input image and obtains a grayscale value and a brightness value of the input image therefrom;

And searching, according to the preset first data lookup table and the grayscale value, a first image brightness value corresponding to the grayscale value from the first data lookup table, and according to the preset second data lookup table And the grayscale value, and the second image luminance value corresponding to the grayscale value is found from the second data lookup table.

Preferably, when the light source emitted by the backlight module sequentially passes through the first liquid crystal panel and the second liquid crystal panel, the second liquid crystal panel is obtained by superimposing the first image data and the second image data. The output image for display by the liquid crystal display includes:

When the light source emitted by the backlight module passes through the first liquid crystal panel, the first liquid crystal panel obtains a first image corresponding to the brightness value of the first image;

When the light source passing through the first liquid crystal panel passes through the second liquid crystal panel, the second liquid crystal panel obtains a first image corresponding to the first image brightness value and corresponds to the second image brightness a second image of the value;

The first image and the second image are superimposed to obtain an output image for display by the liquid crystal display.

Preferably, the first liquid crystal panel is aligned with the pixels of the second liquid crystal panel.

Preferably, the first liquid crystal panel is provided with a first angle polarizer, a lower glass, a liquid crystal, and an upper glass in order from bottom to top, and the second liquid crystal panel is sequentially disposed in a direction away from the first liquid crystal panel. An angle polarizer, the lower glass, the liquid crystal, the filter, the upper glass, and the first angle polarizer.

The present invention also provides an image display method for a liquid crystal display, the liquid crystal display having a first liquid crystal panel, a second liquid crystal panel, a processor, and a backlight module, and the image display method of the liquid crystal display includes the following steps:

The first liquid crystal panel receives the first image data input by the processor, and the second liquid crystal panel receives the second image data input by the processor;

When the light source emitted by the backlight module sequentially passes through the first liquid crystal panel and the second liquid crystal panel, the second liquid crystal panel obtains an output image obtained by superimposing the first image data and the second image data, Displayed by the liquid crystal display.

Preferably, the processor receives the input image, and the step of acquiring the processed first image data and the second image data from the input image comprises:

In order to achieve the above object, the present invention further provides a liquid crystal display having a first liquid crystal panel, a second liquid crystal panel, a processor, and a backlight module, wherein

The processor is configured to receive an input image, and obtain processed first image data and second image data from the input image;

The first liquid crystal panel is configured to receive the first image data input by the processor, and the second liquid crystal panel receives the second image data input by the processor;

The second liquid crystal panel is configured to: when the light source emitted by the backlight module sequentially passes through the first liquid crystal panel and the second liquid crystal panel, the second liquid crystal panel obtains the first image data and the second The output image after the image data is superimposed for display by the liquid crystal display.

Preferably, the processor comprises:

a receiving module, configured to receive the input image, and obtain a grayscale value and a brightness value of the input image therefrom;

a searching module, configured to search, according to the preset first data lookup table and the grayscale value, a first image brightness value corresponding to the grayscale value from the first data lookup table, according to a preset And a second data lookup table and the grayscale value, and the second image luminance value corresponding to the grayscale value is searched from the second data lookup table.

Preferably, the second liquid crystal panel comprises:

An acquiring module, when the light source emitted by the backlight module passes through the first liquid crystal panel, the first liquid crystal panel obtains a first image corresponding to the brightness value of the first image, from the first liquid crystal panel When passing through the second liquid crystal panel, the second liquid crystal panel obtains a first image corresponding to the first image brightness value and a second image corresponding to the second image brightness value;

And a superimposing module, configured to superimpose the first image and the second image to obtain an output image for display by the liquid crystal display.

Preferably, the first liquid crystal panel is closely attached to the second liquid crystal panel.

An image display method for a liquid crystal display provided by the present invention, and a liquid crystal display, receiving an input image through a processor of the liquid crystal display, and acquiring processed first image data and second image data from the input image, the first liquid crystal The panel receives the first image data input by the processor, the second liquid crystal panel receives the second image data input by the processor, and the light source emitted by the backlight module sequentially passes through the first In a liquid crystal panel and a second liquid crystal panel, the second liquid crystal panel obtains an output image obtained by superimposing the first image data and the second image data for display by the liquid crystal display. In this way, by combining the two liquid crystal panels into a high-gradation display, the watermark problem can be improved and solved, thereby improving the picture quality of the liquid crystal display.

DRAWINGS

1 is a schematic flow chart of an embodiment of an image display method of a liquid crystal display according to the present invention;

2 is a schematic structural view of a liquid crystal display of the present invention;

3 is a schematic diagram of interaction of image display of a liquid crystal display according to the present invention;

4 is a step of step 1 in FIG. 1 , the first liquid crystal panel receives the first image data input by the processor, and the second liquid crystal panel receives a refinement process of the second image data input by the processor schematic diagram;

5 is the step of FIG. 1 , when the light source emitted by the backlight module sequentially passes through the first liquid crystal panel and the second liquid crystal panel, the second liquid crystal panel obtains the first image data and the second image data. a schematic diagram of the superimposed output image for the liquid crystal display to display;

6 is a schematic view showing the alignment of pixels of the first liquid crystal panel and the second liquid crystal panel of FIG. 2;

7 is a schematic diagram of functional modules of an embodiment of a liquid crystal display according to the present invention;

8 is a schematic diagram of a refinement function module of the processor of FIG. 7;

9 is a schematic diagram of a refinement function module of the second liquid crystal panel of FIG. 7;

10 is a schematic diagram showing the hierarchical structure of the first liquid crystal panel of FIG. 7;

FIG. 11 is a schematic diagram showing the hierarchical structure of the second liquid crystal panel of FIG. 7. FIG.

The implementation, functional features, and advantages of the present invention will be further described in conjunction with the embodiments.

detailed description

It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The present invention provides an image display method for a liquid crystal display. Referring to FIG. 1, in an embodiment, an image display method of the liquid crystal display includes the following steps:

Step S10, the processor receives an input image, and acquires processed first image data and second image data from the input image;

In this embodiment, the liquid crystal display is suitable for a television, a desktop computer, a tablet computer, a notebook computer, etc., and specifically includes a first liquid crystal panel, a second liquid crystal panel, a processor, and a backlight module. In the preferred embodiment, the two layers of different color gradation liquid crystal panels are accurately superimposed, and the processor processes the high gradation image into two sets of different display image data and respectively inputs two low gradation liquid crystal panels to achieve high The display of the color scale.

The present invention is described by taking a 16-bit input image as an example. The output images of the first liquid crystal panel and the second liquid crystal panel are respectively 8 bits. It can be understood that the input image is not limited to 16 bits, and may be other situations such as 12, 14, 24 bit, etc., and the output images of the first liquid crystal panel and the second liquid crystal panel do not require the same number of bits. , can be set according to actual needs. In addition, in the field of medical treatment and space requiring high liquid crystal display, in order to obtain a higher color gradation image, a plurality of liquid crystal panels may be provided according to actual needs, and two of the embodiments are not limited.

In this embodiment, the first image brightness value and the second image brightness value closest to the input image may be found by using the first data lookup table and the second data lookup table set according to the preset rule. The liquid crystal display is adjusted correspondingly to obtain an output image.

Step S20, the first liquid crystal panel receives the first image data input by the processor, and the second liquid crystal panel receives the second image data input by the processor;

In this embodiment, the first liquid crystal panel receives the first image data processed by the processor, and the second liquid crystal panel receives the second image data that is input after the processor adjustment process. The first image data and the second image data may include information such as grayscale values and luminance values.

Step S30, when the light source emitted by the backlight module sequentially passes through the first liquid crystal panel and the second liquid crystal panel, the second liquid crystal panel obtains an output obtained by superimposing the first image data and the second image data. An image for display by the liquid crystal display.

In this embodiment, referring to FIG. 2 and FIG. 3, the processor receives 16 bits. Input image L, and according to the first data lookup table and the second data lookup table, processed into 8bit The image A and the image B are respectively input into the first liquid crystal panel and the second liquid crystal panel, and the light source emitted by the backlight module passes through the first liquid crystal panel to form an image A, and then passes through the second liquid crystal panel and finally outputs 16 bit. The output image close to the input image.

The image display method of the liquid crystal display provided by the present invention receives an input image through a processor of the liquid crystal display, and acquires processed first image data and second image data from the input image, the first liquid crystal panel receiving station The first image data input by the processor, the second liquid crystal panel receives the second image data input by the processor, and the light source emitted by the backlight module sequentially passes through the first liquid crystal panel And the second liquid crystal panel, the second liquid crystal panel obtains an output image obtained by superimposing the first image data and the second image data for display by the liquid crystal display. In this way, by combining two low-level liquid crystal panels into a high-gradation display, the watermark problem can be improved and solved, thereby improving the picture quality of the liquid crystal display.

In an embodiment, as shown in FIG. 4, on the basis of the foregoing FIG. 1, the step S10 includes:

Step S101, the processor receives the input image, and obtains a grayscale value and a brightness value of the input image therefrom;

Step S102, searching, according to the preset first data lookup table and the grayscale value, the first image brightness value corresponding to the grayscale value from the first data lookup table, and according to the preset second And a data lookup table and the grayscale value, and the second image luminance value corresponding to the grayscale value is searched from the second data lookup table.

In this embodiment, the relationship between the input image L and the output image A and the image B is as follows:

A(n)= Lookup A (n), B(n)= Lookup B(n);

Where Lookup A (n) and Lookup B (n) are data lookup tables, and the relationship with L(n) is as follows:

L(n)= A(n)* B(n), n represents the gray scale number, and L(n), A(n), and B(n) are image brightness values corresponding to the gray scale numbers, respectively;

Create Lookup A (n) and Lookup B (n) lookup tables that satisfy the following relationships:

Set f(a,b)= |A(a-1)*B(b-1)/(11111111)2- L(n)/111111111111111|

First, a starts from 0, b starts from 0 to 11111111 (in binary), then a+1, loops until a=11111111;

When f = fmin(a, b), Lookup A (n) = a, Lookup B (n)=b, a and b represent the gray scale number, that is, after the gray scale adjustment of the liquid crystal panel A and the b gray scale adjustment of B, the output image closest to the input image L(n) can be obtained.

In an embodiment, as shown in FIG. 5, on the basis of the foregoing FIG. 1, the step S30 includes:

Step S301, when the light source emitted by the backlight module passes through the first liquid crystal panel, the first liquid crystal panel obtains a first image corresponding to the brightness value of the first image;

In this embodiment, since the liquid crystal display is a display using liquid crystal as a material, the liquid crystal is an organic compound interposed between a solid and a liquid, and under the action of an electric field, liquid crystal molecules undergo a change in alignment, thereby affecting the passage of the liquid crystal molecules. The change of light, the change of the light can be expressed as a change of light and dark through the action of the polarizer, that is, the control of the electric field finally controls the light and dark changes of the light, thereby achieving the purpose of displaying the image. Specifically, in this embodiment, the first liquid crystal panel has a first angle polarizer (such as 0 degrees), and the second liquid crystal panel has two polarizers such as a first angle polarizer and a second angle polarizer (eg, 90 degrees), and the angle of the polarizer entering the light of the second liquid crystal panel is different from the angle of the polarizer of the first liquid crystal panel, and the angle of the polarizer passing through the light of the second liquid crystal panel is polarized with the polarized light of the first liquid crystal panel The angle of the piece is the same. In this way, color shades of different colors can be presented.

Step S302, when the light source passing through the first liquid crystal panel passes through the second liquid crystal panel, the second liquid crystal panel obtains a first image corresponding to the first image brightness value and corresponds to the first a second image of the second image brightness value;

In this embodiment, when the light source passing through the first liquid crystal panel passes through the second liquid crystal panel, the arrangement of the liquid crystal molecules also changes the polarization angle of the light propagating through the liquid crystal, and then the light A color filter and a first angle polarizer are also required. Therefore, it is only necessary to change the voltage value applied to the liquid crystal to control the intensity and color of the last appearing light, so that the brightness adjustment of the color red, green, and blue can be realized, thereby realizing image display.

Step S303, superimposing the first image and the second image to obtain an output image for display by the liquid crystal display.

In this embodiment, the second liquid crystal panel superimposes the first image and the second image to obtain an output image, and the color gradation of the output image is closest to the input image. In this way, by combining two low-level liquid crystal panels into a high-gradation display, the watermark problem can be improved and solved, thereby improving the picture quality of the liquid crystal display.

In this embodiment, referring to FIG. 6, the pixels of the first liquid crystal panel and the second liquid crystal panel are arranged in alignment, which can be convenient for taking materials and can significantly improve the display effect.

The present invention further provides a liquid crystal display 1 . Referring to FIG. 7 , in an embodiment, the liquid crystal display has a first liquid crystal panel 10 , a second liquid crystal panel 20 , a processor 30 , and a backlight module 40 .

The processor 30 is configured to receive an input image, and obtain processed first image data and second image data from the input image;

In this embodiment, the liquid crystal display is suitable for a television, a desktop computer, a tablet computer, a notebook computer, etc., and specifically includes a first liquid crystal panel 10, a second liquid crystal panel 20, a processor 30, a backlight module 40, and the like. In the preferred embodiment, the liquid crystal panel of two different color gradations is accurately superimposed, and the image of the high gradation is processed by the processor 30 into two sets of different display image data, and two low gradation liquid crystal panels are respectively input to realize High color scale display.

The present invention is described by taking a 16-bit input image as an example. The output images of the first liquid crystal panel 10 and the second liquid crystal panel 20 are respectively 8 bits. It can be understood that the input image is not limited to 16 bits, and may be other situations such as 12, 14, 24 bits, and the output images of the first liquid crystal panel 10 and the second liquid crystal panel 20 are not required. The number is the same and can be set according to actual needs. In addition, in the field of medical treatment and space requiring high liquid crystal display, in order to obtain a higher color gradation image, a plurality of liquid crystal panels may be provided according to actual needs, and two of the embodiments are not limited.

The first liquid crystal panel 10 is configured to receive the first image data input by the processor 30, and the second liquid crystal panel 20 receives the second image data input by the processor 30;

In this embodiment, the first liquid crystal panel 10 receives the first image data processed by the processor 30, and the second liquid crystal panel 20 receives the first input after the processor 30 adjusts the processing. Two image data. The first image data and the second image data may include information such as grayscale values and luminance values.

The second liquid crystal panel 20 is configured to: when the light source emitted by the backlight module 40 sequentially passes through the first liquid crystal panel 10 and the second liquid crystal panel 20, the second liquid crystal panel 20 obtains the first The output image superimposed on the image data and the second image data is displayed for the liquid crystal display.

In this embodiment, the processor 30 receives the 16-bit input image L, and processes the data into 8 bit according to the first data lookup table and the second data lookup table. The image A and the image B are input to the first liquid crystal panel 10 and the second liquid crystal panel 20 respectively. The light source emitted by the backlight module 40 passes through the first liquid crystal panel 10 to form an image A, and then passes through the second liquid crystal panel 20 and finally The output yields a 16-bit output image that is closest to the input image.

The liquid crystal display provided by the present invention receives an input image through the processor 30 of the liquid crystal display, and acquires processed first image data and second image data from the input image, the first liquid crystal panel 10 receiving the processing The first image data input by the device 30, the second liquid crystal panel 20 receives the second image data input by the processor 30, and the light source emitted by the backlight module 40 sequentially passes through the first In the case of the liquid crystal panel 10 and the second liquid crystal panel 20, the second liquid crystal panel 20 obtains an output image obtained by superimposing the first image data and the second image data for display by the liquid crystal display. In this way, by combining two low-level liquid crystal panels into a high-gradation display, the watermark problem can be improved and solved, thereby improving the picture quality of the liquid crystal display.

In an embodiment, as shown in FIG. 8, on the basis of the foregoing FIG. 7, the processor 30 includes:

The receiving module 301 is configured to receive the input image, and obtain a grayscale value and a brightness value of the input image therefrom;

The searching module 302 is configured to search, according to the preset first data lookup table and the grayscale value, the first image brightness value corresponding to the grayscale value from the first data lookup table, and according to the preset And a second data lookup table and the grayscale value, and the second image brightness value corresponding to the grayscale value is searched from the second data lookup table.

A(n)= Lookup A (n), B(n)= Lookup B(n);

Set f(a,b)= |A(a-1)*B(b-1)/(11111111)2- L(n)/111111111111111|

In an embodiment, as shown in FIG. 9, on the basis of the foregoing FIG. 7, the second liquid crystal panel 2020 includes:

The obtaining module 201 is configured to: when the light source emitted by the backlight module 40 passes through the first liquid crystal panel 10, the first liquid crystal panel 10 obtains a first image corresponding to the brightness value of the first image, from the When the light source passing through the first liquid crystal panel 10 passes through the second liquid crystal panel 20, the second liquid crystal panel 20 obtains a first image corresponding to the first image brightness value and corresponds to the second image brightness. a second image of the value;

In this embodiment, since the liquid crystal display is a display using liquid crystal as a material, the liquid crystal is an organic compound interposed between a solid and a liquid, and under the action of an electric field, liquid crystal molecules undergo a change in alignment, thereby affecting the passage of the liquid crystal molecules. The change of light, the change of the light can be expressed as a change of light and dark through the action of the polarizer, that is, the control of the electric field finally controls the light and dark changes of the light, thereby achieving the purpose of displaying the image. Specifically, in this embodiment, the first liquid crystal panel 10 has a first angle polarizer (such as 0 degrees), and the second liquid crystal panel 20 has two polarizers such as a first angle polarizer and a second angle polarizer. (eg, 90 degrees), and the angle of the polarizer entering the light of the second liquid crystal panel 20 is different from the angle of the polarizer of the first liquid crystal panel 10, and the angle of the polarizer of the second liquid crystal panel 20 is different from that of the polarizer The polarizers of one liquid crystal panel 10 have the same angle. In this way, color shades of different colors can be presented.

In this embodiment, when the light source passing through the first liquid crystal panel 10 passes through the second liquid crystal panel 20, the arrangement of the liquid crystal molecules also changes the polarization angle of the light propagating through the liquid crystal, and then These rays also pass through a color filter and a first angle polarizer. Therefore, it is only necessary to change the voltage value applied to the liquid crystal to control the intensity and color of the last appearing light, so that the brightness adjustment of the color red, green, and blue can be realized, thereby realizing image display.

The superimposing module 202 is configured to superimpose the first image and the second image to obtain an output image for display by the liquid crystal display.

In this embodiment, the second liquid crystal panel 20 superimposes the first image and the second image to obtain an output image, and the color gradation of the output image is closest to the input image. In this way, by combining two low-level liquid crystal panels into a high-gradation display, the watermark problem can be improved and solved, thereby improving the picture quality of the liquid crystal display.

In an embodiment, as shown in FIG. 2, the first liquid crystal panel 10 and the second liquid crystal panel 20 are closely attached to each other. Referring to FIG. 6 , the pixels of the first liquid crystal panel 10 and the second liquid crystal panel 20 are arranged in alignment, which can be convenient for taking materials and can significantly improve the display effect. Referring to FIG. 10, the first liquid crystal panel 10 is provided with a first angle polarizer 11, a lower glass 12, a liquid crystal 13, and an upper glass 14 in this order from bottom to top. Referring to FIG. 11 , the second liquid crystal panel 20 is provided with a second angle polarizer 21 , a lower glass 12 , a liquid crystal 13 , a filter 22 , an upper glass 14 , and a first angle in a direction away from the first liquid crystal panel 10 . Polarizer 11. The deflection angle of the first angle polarizer 11 may be 0 degrees, and the deflection angle of the second angle polarizer 21 may be 90 degrees. Of course, in other embodiments, the deflection angle may be other values, and is not limited thereto. This embodiment.

The above are only the preferred embodiments of the present invention, and are not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformations made by the description of the present invention and the drawings are directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of the present invention.

Claims

An image display method of a liquid crystal display, wherein the liquid crystal display has a first liquid crystal panel, a second liquid crystal panel, a processor, and a backlight module, and the first liquid crystal panel and the second liquid crystal panel are closely arranged The image display method of the liquid crystal display includes the following steps:

The processor receives an input image and obtains processed first image data and second image data from the input image;

The first liquid crystal panel receives the first image data, and the second liquid crystal panel receives the second image data;

When the light source emitted by the backlight module sequentially passes through the first liquid crystal panel and the second liquid crystal panel, the second liquid crystal panel obtains an output image of the first image data and the second image data superimposed for Displaying the liquid crystal display;

The processor receives the input image, and the step of acquiring the processed first image data and the second image data from the input image includes:

The processor receives the input image and obtains a grayscale value and a brightness value of the input image therefrom;

And searching, according to the preset first data lookup table and the grayscale value, a first image brightness value corresponding to the grayscale value from the first data lookup table, and according to the preset second data lookup table And the grayscale value, and the second image luminance value corresponding to the grayscale value is found from the second data lookup table.
The image display method of the liquid crystal display according to claim 1, wherein the second liquid crystal panel is used when the light source emitted by the backlight module sequentially passes through the first liquid crystal panel and the second liquid crystal panel Obtaining an output image obtained by superimposing the first image data and the second image data for display by the liquid crystal display comprises:

When the light source emitted by the backlight module passes through the first liquid crystal panel, the first liquid crystal panel obtains a first image corresponding to the brightness value of the first image;

When the light source passing through the first liquid crystal panel passes through the second liquid crystal panel, the second liquid crystal panel obtains a first image corresponding to the first image brightness value and corresponds to the second image brightness a second image of the value;

The first image and the second image are superimposed to obtain an output image for display by the liquid crystal display.
The image display method of a liquid crystal display according to claim 1, wherein the first liquid crystal panel and the pixels of the second liquid crystal panel are arranged in alignment.
The image display method of a liquid crystal display according to claim 2, wherein the first liquid crystal panel and the pixels of the second liquid crystal panel are arranged in alignment.
The image display method of the liquid crystal display according to claim 1, wherein the first liquid crystal panel is provided with a first angle polarizer, a lower glass, a liquid crystal, and an upper glass in order from bottom to top, and the second liquid crystal The panel is provided with a second angular polarizer, the lower glass, the liquid crystal, the filter, the upper glass, and the first angle polarizer in a direction away from the first liquid crystal panel.
An image display method of a liquid crystal display, wherein the liquid crystal display has a first liquid crystal panel, a second liquid crystal panel, a processor, and a backlight module, and the image display method of the liquid crystal display includes the following steps:

The processor receives an input image and obtains processed first image data and second image data from the input image;

The first liquid crystal panel receives the first image data, and the second liquid crystal panel receives the second image data;

When the light source emitted by the backlight module sequentially passes through the first liquid crystal panel and the second liquid crystal panel, the second liquid crystal panel obtains an output image of the first image data and the second image data superimposed for The liquid crystal display performs display.
The image display method of a liquid crystal display according to claim 6, wherein the processor receives the input image, and the step of acquiring the processed first image data and the second image data from the input image comprises:

The processor receives the input image and obtains a grayscale value and a brightness value of the input image therefrom;

And searching, according to the preset first data lookup table and the grayscale value, a first image brightness value corresponding to the grayscale value from the first data lookup table, and according to the preset second data lookup table And the grayscale value, and the second image luminance value corresponding to the grayscale value is found from the second data lookup table.
The image display method of the liquid crystal display according to claim 7, wherein the second liquid crystal panel is used when the light source emitted by the backlight module sequentially passes through the first liquid crystal panel and the second liquid crystal panel Obtaining an output image obtained by superimposing the first image data and the second image data for display by the liquid crystal display comprises:

When the light source emitted by the backlight module passes through the first liquid crystal panel, the first liquid crystal panel obtains a first image corresponding to the brightness value of the first image;

When the light source passing through the first liquid crystal panel passes through the second liquid crystal panel, the second liquid crystal panel obtains a first image corresponding to the first image brightness value and corresponds to the second image brightness a second image of the value;

The first image and the second image are superimposed to obtain an output image for display by the liquid crystal display.
The image display method of a liquid crystal display according to claim 6, wherein the first liquid crystal panel and the pixels of the second liquid crystal panel are arranged in alignment.
The image display method of a liquid crystal display according to claim 7, wherein the first liquid crystal panel and the pixels of the second liquid crystal panel are arranged in alignment.
The image display method of a liquid crystal display according to claim 8, wherein the first liquid crystal panel and the pixels of the second liquid crystal panel are arranged in alignment.
A liquid crystal display having a first liquid crystal panel, a second liquid crystal panel, a processor, and a backlight module, wherein

The processor is configured to receive an input image, and obtain processed first image data and second image data from the input image;

The first liquid crystal panel is configured to receive the first image data input by the processor, and the second liquid crystal panel receives the second image data input by the processor;

The second liquid crystal panel is configured to: when the light source emitted by the backlight module sequentially passes through the first liquid crystal panel and the second liquid crystal panel, the second liquid crystal panel obtains the first image data and the second The output image after the image data is superimposed for display by the liquid crystal display.
The liquid crystal display of claim 12, wherein the processor comprises:

a receiving module, configured to receive the input image, and obtain a grayscale value and a brightness value of the input image therefrom;

a searching module, configured to search, according to the preset first data lookup table and the grayscale value, a first image brightness value corresponding to the grayscale value from the first data lookup table, according to a preset And a second data lookup table and the grayscale value, and the second image luminance value corresponding to the grayscale value is searched from the second data lookup table.
The liquid crystal display according to claim 13, wherein the second liquid crystal panel comprises:

An acquiring module, when the light source emitted by the backlight module passes through the first liquid crystal panel, the first liquid crystal panel obtains a first image corresponding to the brightness value of the first image, from the first liquid crystal panel When passing through the second liquid crystal panel, the second liquid crystal panel obtains a first image corresponding to the first image brightness value and a second image corresponding to the second image brightness value;

And a superimposing module, configured to superimpose the first image and the second image to obtain an output image for display by the liquid crystal display.
The liquid crystal display according to claim 12, wherein the first liquid crystal panel and the second liquid crystal panel are closely attached to each other.
The liquid crystal display according to claim 13, wherein the first liquid crystal panel and the second liquid crystal panel are closely attached to each other.
The liquid crystal display according to claim 14, wherein the first liquid crystal panel and the second liquid crystal panel are closely attached to each other.
The liquid crystal display according to claim 15, wherein the first liquid crystal panel is aligned with the pixels of the second liquid crystal panel.
The liquid crystal display according to claim 16, wherein the first liquid crystal panel is aligned with the pixels of the second liquid crystal panel.
The liquid crystal display according to claim 15, wherein the first liquid crystal panel is provided with a first angle polarizer, a lower glass, a liquid crystal, and an upper glass in order from bottom to top, and the second liquid crystal panel is away from the The second liquid crystal panel is sequentially provided with a second angular polarizer, the lower glass, the liquid crystal, the filter, the upper glass, and the first angle polarizer.