CN111624824B - Liquid crystal display assembly, liquid crystal display device and display method thereof - Google Patents
Liquid crystal display assembly, liquid crystal display device and display method thereof Download PDFInfo
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- CN111624824B CN111624824B CN202010605411.9A CN202010605411A CN111624824B CN 111624824 B CN111624824 B CN 111624824B CN 202010605411 A CN202010605411 A CN 202010605411A CN 111624824 B CN111624824 B CN 111624824B
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 309
- 238000000034 method Methods 0.000 title claims abstract description 28
- 210000002858 crystal cell Anatomy 0.000 claims abstract description 106
- 238000002834 transmittance Methods 0.000 claims abstract description 28
- 239000003086 colorant Substances 0.000 claims abstract description 17
- 238000009877 rendering Methods 0.000 claims description 12
- 239000011159 matrix material Substances 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 6
- 239000002356 single layer Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1347—Arrangement of liquid crystal layers or cells in which the final condition of one light beam is achieved by the addition of the effects of two or more layers or cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
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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
- G09G3/3406—Control of illumination source
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
- G02F2201/52—RGB geometrical arrangements
Abstract
The present invention relates to the field of display technologies, and in particular, to a liquid crystal display assembly, a liquid crystal display device and a display method thereof. The method is used for solving the problems that the transmittance of a structure for manufacturing a double-layer liquid crystal box is lower, so that the brightness and the contrast are lower in the related art. A liquid crystal display assembly includes a first liquid crystal cell and a second liquid crystal cell; the first liquid crystal cell comprises a plurality of repeating units, each repeating unit comprises at least one pixel group, each pixel group comprises at least one first pixel unit, each first pixel unit comprises at least one first sub-pixel group and at least one second sub-pixel group, each first sub-pixel group comprises n first sub-pixels with different colors, and each second sub-pixel group comprises at least one second sub-pixel; in each first pixel unit, the number of the second sub-pixel groups is smaller than or equal to the number of the first sub-pixels; the second liquid crystal box comprises a plurality of second pixel units, and each second pixel unit corresponds to at least one repeating unit.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a liquid crystal display assembly, a liquid crystal display device and a display method thereof.
Background
The liquid crystal display device is a display device used on a large scale at present, has the advantages of high color gamut, light weight, quick response time and the like, and has mature technology in theoretical research and practical technology.
Disclosure of Invention
The invention mainly aims to provide a liquid crystal display assembly, a liquid crystal display device and a display method thereof. The method is used for solving the problems that the transmittance of a structure for manufacturing a double-layer liquid crystal box is lower, so that the brightness and the contrast are lower in the related art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
in one aspect, an embodiment of the present invention provides a liquid crystal display assembly, wherein the liquid crystal display assembly has a display area and a peripheral area surrounding the display area; the liquid crystal display assembly includes: a first liquid crystal cell and a second liquid crystal cell which are stacked; the first liquid crystal box comprises a plurality of repeated units which are arranged in a matrix form and are arranged in the display area, each repeated unit comprises at least one pixel group, each pixel group comprises at least one first pixel unit which is arranged in sequence along a first direction, each first pixel unit comprises a plurality of sub-pixels, each sub-pixel comprises at least one first sub-pixel group and at least one second sub-pixel group, each first sub-pixel group comprises n first sub-pixels with different colors which are arranged in sequence along the first direction, the number of the first sub-pixels of each color is at least one, each second sub-pixel group comprises at least one second sub-pixel, the first direction is a row direction or a column direction which is arranged in a matrix form, and n is a positive integer which is more than or equal to 2; in each first pixel unit, the number of the second sub-pixel groups is smaller than or equal to the number of the first sub-pixels, any two second sub-pixel groups are discontinuous, the sum of the number of the first sub-pixels and the number of the second sub-pixel groups is an integer multiple of n, and each n first sub-pixels and each second sub-pixel group which are arranged continuously are used as a display unit; for the transmittance of light of the same brightness, the transmittance of light transmitted through any one of the second sub-pixels is larger than the transmittance of light transmitted through each of the first sub-pixels, and the shape and the aperture ratio of each of the second sub-pixels are the same as those of one of the first sub-pixels; the second liquid crystal box comprises a plurality of second pixel units arranged in the display area, and each second pixel unit corresponds to at least one repeating unit.
Optionally, the n first sub-pixels with different colors are primary color sub-pixels respectively emitting light with different colors; the second subpixel is a white subpixel emitting white light or a yellow subpixel emitting yellow light.
Optionally, each repeating unit includes at least two first pixel groups sequentially arranged along a second direction, each first pixel group includes at least one first pixel unit sequentially arranged along the first direction, and the second direction is perpendicular to the first direction; in one first pixel group, each first sub-pixel in at least one first pixel unit is circularly arranged along a first direction according to a first sequence, and for one repeating unit, colors of first sub-pixels sequentially arranged along the first direction in any two adjacent first pixel groups are different, so that second sub-pixels in each first pixel group are staggered along the first direction; the first order is an order in which the n first sub-pixels having different colors are sequentially arranged from the first to the n-th.
Optionally, n is greater than or equal to 3.
Optionally, the first sub-pixel and the second sub-pixel are both bar-shaped and extend along a second direction, and the second direction is perpendicular to the first direction.
Optionally, the first direction is a row direction arranged in a matrix form.
In another aspect, an embodiment of the present invention provides a liquid crystal display device, including a liquid crystal display assembly as described above, and a controller electrically connected to the liquid crystal display assembly; the controller is used for inputting a first gray-scale voltage for driving a first sub-pixel in the first liquid crystal box to display to the first liquid crystal box, inputting a second gray-scale voltage for driving a second pixel unit in the second liquid crystal box to display to the second liquid crystal box, so that the first liquid crystal box and the second liquid crystal box display images to be displayed under the corresponding first gray-scale voltage and second gray-scale voltage; and generating a third gray scale voltage for driving the second sub-pixels in the first liquid crystal box to display according to the positions of the second sub-pixel groups in the first liquid crystal box in each display unit, and performing brightness rendering on the image to be displayed by the liquid crystal display component.
Optionally, the device further comprises a backlight module, wherein the backlight module is electrically connected with the controller; the backlight module is arranged at one side of the second liquid crystal box far away from the first liquid crystal box; the controller is also used for controlling the backlight module to provide backlight for the liquid crystal display component.
In still another aspect, an embodiment of the present invention provides a display method of a liquid crystal display device, applied to the liquid crystal display device described above, including:
and inputting a first gray-scale voltage for driving a first sub-pixel in the first liquid crystal box to display to the first liquid crystal box, and inputting a second gray-scale voltage for driving a second pixel unit in the second liquid crystal box to display to the second liquid crystal box, so that the first liquid crystal box and the second liquid crystal box display images to be displayed under the corresponding first gray-scale voltage and second gray-scale voltage.
And generating a third gray scale voltage for driving the second sub-pixels in the first liquid crystal box to display according to the position of each second sub-pixel group in the first liquid crystal box in each display unit, and performing brightness rendering on the image to be displayed by the liquid crystal display component.
Optionally, according to the position of each second sub-pixel group in the first liquid crystal box in each display unit, generating a third gray scale voltage for driving the second sub-pixels in the first liquid crystal box to display, and performing brightness rendering on the image to be displayed by the liquid crystal display component; comprising the following steps:
The position of each second sub-pixel group in each sub-unit in each first pixel unit is judged.
If any one of the second sub-pixel groups in one of the first pixel units is positioned at the middle position of one of the display units, the minimum value of the first gray scale voltage in the display unit for driving the first sub-pixel to display is used as the third gray scale voltage for driving each of the second sub-pixels in the second sub-pixel group to display.
And if any one of the second sub-pixel groups in one first pixel unit is positioned at the edge position of one display unit, taking the maximum value of the first gray scale voltage driving the first sub-pixel to display in the display unit where the second sub-pixel group is positioned and the first gray scale voltage driving the first sub-pixel to display in the display unit adjacent to the second sub-pixel group as the third gray scale voltage driving each second sub-pixel in the second sub-pixel group to display.
Optionally, according to the Display gamma of the liquid crystal Display component being γ, the Display gamma of the first liquid crystal cell being γ1 and the Display gamma of the second liquid crystal cell being γ2, when the first liquid crystal cell and the second liquid crystal cell Display the image to be displayed under the corresponding first gray scale voltage and second gray scale voltage, the following relation is satisfied, wherein the Display is γ RGB is a first Gray scale voltage, and Gray is a second Gray scale voltage for the original brightness of the image to be displayed;
Display γ ＝RGB γ1 *Gray γ2 。
optionally, inputting a first gray-scale voltage for driving a first subpixel in the first liquid crystal cell to display to the first liquid crystal cell, and inputting a second gray-scale voltage for driving a second pixel in the second liquid crystal cell to display to the second liquid crystal cell, so that before the first liquid crystal cell and the second liquid crystal cell display an image to be displayed under the corresponding first gray-scale voltage and second gray-scale voltage, the method further includes:
acquiring gray scale values of first sub-pixels corresponding to the image to be displayed, which are displayed by the liquid crystal display assembly under a first condition; the first condition is that the liquid crystal display component only comprises first sub-pixels corresponding to each row of sub-pixels which are sequentially arranged along the first direction, and the arrangement order of the first sub-pixels is the same as that of the first sub-pixels of the corresponding row in the first liquid crystal box; and converting the gray scale value of each first sub-pixel corresponding to the image to be displayed, which is displayed by the liquid crystal display component under the first condition, into a first gray scale voltage for driving the first sub-pixel in the first liquid crystal box to display and a second gray scale voltage for driving the second pixel unit in the second liquid crystal box to display.
Optionally, converting the gray scale value of each first subpixel corresponding to the image to be displayed by the liquid crystal display component under the first condition into a first gray scale voltage for driving the first subpixel in the first liquid crystal box to display and a second gray scale voltage for driving the second pixel unit in the second liquid crystal box to display; comprising the following steps: according to the gray scale value of each first sub-pixel corresponding to the image to be displayed by the liquid crystal display component under the first condition, the gray scale voltage of each first sub-pixel input corresponding to the image to be displayed by the liquid crystal display component under the first condition is obtained; and generating a first gray scale voltage for driving the first sub-pixel in the first liquid crystal box to display and a second gray scale voltage for driving the second pixel unit in the second liquid crystal box to display according to the gray scale voltage input into each first sub-pixel corresponding to the image to be displayed by the liquid crystal display component under the first condition.
Optionally, according to the gray scale voltage of each first subpixel input corresponding to the image to be displayed by the liquid crystal display component under the first condition, generating a first gray scale voltage for driving the first subpixel in the first liquid crystal box to display and a second gray scale voltage for driving the second pixel unit in the second liquid crystal box to display; comprising the following steps: according to the first condition that the gray scale value of each first sub-pixel corresponding to the image to be displayed is equal to the original brightness of the image to be displayed, for the same display unit, the gray scale value of each first sub-pixel corresponding to the image to be displayed is displayed by the liquid crystal display component under the first condition, and the gray scale voltage of each first sub-pixel corresponding to the image to be displayed is displayed by the liquid crystal display component under the first condition, wherein Input is the gray scale voltage of each first sub-pixel corresponding to the image to be displayed is displayed by the liquid crystal display component under the first condition.
Input γ ＝Display γ 。
The method can be as follows:
Input γ ＝RGB γ1 *Gray γ2 。
however, according to the different resolutions of the first liquid crystal cell 1 and the second liquid crystal cell 2, for the same display unit F, the following relationship exists between the first gray scale voltage and the second gray scale voltage:
RGB＝Input γ-γ2 *Gray -γ1-γ2 。
optionally, before generating the first gray scale voltage for driving the first subpixel in the first liquid crystal box to display and the second gray scale voltage for driving the second pixel unit in the second liquid crystal box to display according to the gray scale voltage input to each first subpixel corresponding to the image to be displayed by the liquid crystal display component under the first condition, the display method further includes: and determining the maximum value of the gray scale voltages input to the positions of the display units in the second pixel units corresponding to the liquid crystal display assembly as the value of the second gray scale voltage for driving the second pixel units in the second liquid crystal box to display according to the gray scale voltages input to the first sub-pixels corresponding to the image to be displayed by the liquid crystal display assembly under the first condition.
The embodiment of the invention provides a liquid crystal display assembly, a liquid crystal display device and a display method thereof. In each first pixel unit, each first sub-pixel group includes 3 first sub-pixels of different colors, for example, a red sub-pixel, a green sub-pixel and a blue sub-pixel, which are sequentially arranged along a first direction, at this time, by introducing at least one second sub-pixel between the red sub-pixel, the green sub-pixel and the blue sub-pixel, since the transmittance of light transmitted through any one of the second sub-pixels is greater than that of light transmitted through each first sub-pixel for the same brightness, when displaying, the transmittance can be improved by controlling the gray-scale voltage of the second sub-pixel to be the same as that of the first sub-pixel under the condition that the backlight brightness is the same, and thus the problem of lower brightness and contrast caused by the superposition of the double-layer liquid crystal cell in the related art can be solved.
Meanwhile, based on dynamic backlight adjustment, the backlight brightness is adjusted according to the brightness of a picture, and millions of high-contrast display can be realized, so that the power consumption of the liquid crystal display device can be effectively reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic cross-sectional view of a liquid crystal display device according to an embodiment of the present invention;
fig. 2 is a schematic top view of a lcd module according to an embodiment of the present invention;
fig. 3a is a schematic top view of a first liquid crystal cell according to an embodiment of the present invention;
fig. 3b is a schematic top view of a second liquid crystal cell according to an embodiment of the present invention;
FIG. 4 is a schematic top view of another first liquid crystal cell according to an embodiment of the present invention;
FIG. 5 is a schematic top view of another first liquid crystal cell according to an embodiment of the present invention;
FIG. 6 is a schematic top view of another first liquid crystal cell according to an embodiment of the present invention;
FIG. 7 is a schematic top view of another first liquid crystal cell according to an embodiment of the present invention;
FIG. 8 is a schematic top view of another first liquid crystal cell according to an embodiment of the present invention;
FIG. 9 is a schematic top view of another first liquid crystal cell according to an embodiment of the present invention;
FIG. 10 is a schematic top view of another first liquid crystal cell according to an embodiment of the present invention;
FIG. 11 is a schematic top view of a second liquid crystal cell according to an embodiment of the present invention;
fig. 12 is a flowchart of a display method of a liquid crystal display device according to an embodiment of the present invention;
fig. 13 is a schematic top view of a first liquid crystal cell according to an embodiment of the invention.
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.
In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
An embodiment of the present invention provides a liquid crystal display device, referring to fig. 1, including: a liquid crystal display assembly 100, and a controller 200 electrically connected to the liquid crystal display assembly 100.
As shown in fig. 1, the liquid crystal display assembly 100 includes a first liquid crystal cell 1 and a second liquid crystal cell 2 which are stacked. The liquid crystal display device further comprises a backlight module 300 electrically connected with the controller 200, the backlight module 300 is disposed in the liquid crystal display assembly 100, the second liquid crystal cell 2 is far away from one side of the first liquid crystal cell 1, and the controller 200 is used for controlling the backlight module 300 to provide backlight for the liquid crystal display assembly 100 and controlling the liquid crystal display assembly 100 to display.
As shown in fig. 2, the liquid crystal display assembly 100 has a display area a and a peripheral area S. The display area a is provided with a plurality of sub-pixel areas Q, and the peripheral area S for wiring, for example, a gate driving circuit may be provided at the peripheral area S.
As shown in fig. 3a, the first liquid crystal cell 1 includes a plurality of repeating units K arranged in a matrix form and disposed in the display area a, each repeating unit K includes at least one pixel group X, each pixel group X includes at least one first pixel unit X1 arranged in sequence along a first direction, each first pixel unit X1 includes at least one first sub-pixel group P1 and at least one second sub-pixel group P2, each first sub-pixel group P1 includes n kinds of first sub-pixels P different in color and arranged in sequence along the first direction, the number of the first sub-pixels P of each color is at least one, each second sub-pixel group P2 includes at least one second sub-pixel W, the first direction is a row direction or a column direction arranged in a matrix form, and n is a positive integer greater than or equal to 2.
In each first pixel unit X1, the number of the second sub-pixel groups P2 is smaller than or equal to the number of the first sub-pixels P, and any two second sub-pixel groups P2 are discontinuous, the sum of the number of the first sub-pixels P and the number of the second sub-pixel groups P2 is an integer multiple of n, and each n first sub-pixels P and the second sub-pixel groups P2 which are continuously arranged serve as a display unit F. For the transmittance of light of the same brightness, the transmittance of light transmitted through any one of the second sub-pixels W is greater than the transmittance of light transmitted through each of the first sub-pixels P, and the shape and aperture ratio of each of the second sub-pixels W are the same as those of one of the first sub-pixels P.
As shown in fig. 3b, the second liquid crystal cell 2 includes a plurality of second pixel units X2 disposed in the display area a, and each second pixel unit X2 corresponds to at least one repeating unit K.
Optionally, the n first sub-pixels P with different colors may be primary color sub-pixels that emit light with different colors, and the second sub-pixel W may be a blank sub-pixel that emits white light or a yellow sub-pixel that emits yellow light.
Here, taking n equal to 3 as an example, the 3 different colors of the first subpixel P may be red, green, and blue subpixels R, G, and B, respectively.
The shapes of the first subpixel P and the second subpixel W are not limited, and the shapes of the first subpixel P and the second subpixel W may be diamond, bar, or rectangle.
In this embodiment, for convenience of description, as shown in fig. 3a, only the shapes of the first subpixel P and the second subpixel W are taken as an example, and the first direction is a row direction (a direction shown in a horizontal direction) in which the repeating units K are arranged in a matrix form, and in this case, the bars may all extend in the second direction, and the first direction and the second direction are perpendicular, that is, the bars extend in a column direction (a direction shown in a vertical direction) in which the repeating units K are arranged in a matrix form.
In this regard, in each first pixel unit X1, each first subpixel group P1 includes 3 first subpixels P of different colors, for example, a red subpixel R, a green subpixel G, and a blue subpixel B, which are sequentially arranged in the first direction, and at this time, by introducing at least one second subpixel W between the red subpixel R, the green subpixel G, and the blue subpixel B, since the transmittance of light transmitted through any one of the second subpixels W is greater than that of light transmitted through each first subpixel P for the same luminance, the transmittance can be improved by controlling the gray scale voltage of that second subpixel W to be the same as that of the first subpixel P for the same backlight luminance at the time of display, and thus the problem of lower luminance and contrast caused by the superposition of the double-layer liquid crystal cell in the related art can be solved.
Meanwhile, based on dynamic backlight adjustment, the backlight brightness is adjusted according to the brightness of a picture, and millions of high-contrast display can be realized, so that the power consumption of the liquid crystal display device can be effectively reduced.
Wherein, according to each first pixel unit X1 includes at least one first subpixel group P1 and at least one second subpixel group P2, each first subpixel group P1 includes n different color first subpixels P sequentially arranged along the first direction, the number of the first subpixels P of each color is at least one, each second subpixel group P2 includes at least one second subpixel W, and it can be known that in case that each first subpixel group P1 includes red subpixels R, green subpixels G, and blue subpixels B, each first pixel unit X1 may include at least one red subpixel R, at least one green subpixel G, at least one blue subpixel B, and at least one second subpixel W.
In each first pixel unit X1, the number of the second sub-pixel groups P2 is less than or equal to the number of the first sub-pixels P, and any two second sub-pixel groups P2 are discontinuous, and the sum of the number of the first sub-pixels P and the number of the second sub-pixel groups P2 is an integer multiple of n, which can be known: in the first pixel unit X1, the arrangement of the first sub-pixel P and the second sub-pixel W may be varied.
First, taking each first pixel unit X1, each second sub-pixel group P2 includes one second sub-pixel W as an example, in the first case, the arrangement manner of the first sub-pixels P and the second sub-pixels W may be as shown in fig. 4, that is, each first pixel unit X1 includes one red sub-pixel R, one green sub-pixel G and one blue sub-pixel B, and 3 second sub-pixel groups P2, where the sum of the number of the first sub-pixels P and the number of the second sub-pixel groups P2 is an integer multiple of n (n=3) (is 6). In the second case, the arrangement of the first sub-pixels P and the second sub-pixels W may also be as shown in fig. 5, that is, each of the first pixel units X1 includes two red sub-pixels R, two green sub-pixels G and one blue sub-pixel B, and one second sub-pixel group P2, where the sum of the number of the first sub-pixels P and the number of the second sub-pixel group P2 is an integer multiple of n (n=3) (6). In the third case, the arrangement of the first and second sub-pixels P and W may also be as shown in fig. 6, that is, each of the first pixel units X1 includes one red sub-pixel R, one green sub-pixel G and two blue sub-pixels B, and two second sub-pixel groups P2, where the sum of the number of the first sub-pixels P and the number of the second sub-pixel groups P2 is an integer multiple of n (n=3) (6).
Here, it should be noted that the above three cases are only examples, and it will be understood by those skilled in the art that, in practical applications, all examples satisfying "each first pixel unit X1 described in the embodiments of the present invention may include at least one red subpixel R, at least one green subpixel G, at least one blue subpixel B, and at least one second subpixel W, and in each first pixel unit X1, the number of the second subpixel groups P2 is less than or equal to the number of the first subpixels P, and any two second subpixel groups P2 are discontinuous, and all examples that the sum of the number of the first subpixels P and the number of the second subpixels P2 is an integer multiple of n are within the scope of the present invention.
Next, taking the example that each second subpixel group P2 includes two second subpixels W in each first pixel unit X1, the first case, in which the first subpixels P and the second subpixels W are arranged in a manner as shown in fig. 7, that is, each first pixel unit X1 includes one red subpixel R, one green subpixel G and one blue subpixel B, and 3 second subpixel groups P2, is similar to the case that each second subpixel group P2 includes one second subpixel W, and at this time, the sum of the number of the first subpixels P and the number of the second subpixels P2 is an integer multiple of n (n=3) (6). In the second case, the arrangement of the first sub-pixels P and the second sub-pixels W may also be as shown in fig. 8, that is, each of the first pixel units X1 includes two red sub-pixels R, two green sub-pixels G and one blue sub-pixel B, and one second sub-pixel group P2, where the sum of the number of the first sub-pixels P and the number of the second sub-pixel group P2 is an integer multiple of n (n=3) (6). In the third case, the arrangement of the first sub-pixel P and the second sub-pixel W may also be as shown in fig. 9, that is, each of the first pixel units X1 includes one red sub-pixel R, one green sub-pixel G, two blue sub-pixels B, and two second sub-pixel groups P2, where the sum of the number of the first sub-pixels P and the number of the second sub-pixel groups P2 is an integer multiple of n (n=3) (6).
As can be seen from the above analysis, the technical effect of improving the transmittance can be achieved regardless of the arrangement of the first subpixel P and the second subpixel group P2 in the one first pixel unit X1. And as the number of the second sub-pixels W introduced is larger, the transmittance finally obtained is higher, and the brightness and the contrast can be better improved.
Here, it should be noted that, in the above description of the arrangement of only one first pixel unit X1, since the first liquid crystal cell 1 includes a plurality of repeating units K arranged in a matrix form for the entire first liquid crystal cell 1, each repeating unit K includes at least one pixel group X including at least one first pixel unit X1 arranged in sequence along the first direction, and therefore, in the first case where each second sub-pixel group P2 includes one second sub-pixel W in each first pixel unit X1, each repeating unit K may include one pixel group X, each pixel group X may include one first pixel unit X1 arranged in sequence along the first direction, and at this time, the first liquid crystal cell 1 may be as shown in fig. 4 in a top view, that is, the first liquid crystal cell 1 is arranged with red sub-pixels R, blank sub-pixels W, green sub-pixels G, blank sub-pixels B, and minimum sub-pixels W as repeating units, and at this time, the repeating units are the same as the minimum repeating units. In the second case where each second subpixel group P2 of each first pixel unit X1 includes one second subpixel W, each repeating unit K may include one pixel group X, and each pixel group X may include two first pixel units X1 sequentially arranged in the first direction, then the top view of the first liquid crystal cell 1 may be as shown in fig. 3a, i.e., the first liquid crystal cell 1 is arranged with red subpixels R, green subpixels G, blue subpixels B, and blank subpixels W as the minimum repeating units, and the repeating units K at this time are not equal to the minimum repeating units, but are related to the number of display units F, i.e., each first pixel unit X1 includes two display units F, and at this time, since each repeating unit K includes two first pixel units X1, each second pixel unit corresponds to one repeating unit K, each second pixel unit corresponds to 4 display units F.
Here, the second subpixel W is taken as a blank subpixel, in the first liquid crystal cell 1, the first subpixel P and the second subpixel W are exemplified by the minimum repeating units of the red subpixel R, the green subpixel G, the blue subpixel B and the blank subpixel W, before the second subpixel W is not introduced, the first liquid crystal cell 1 is arranged by the minimum repeating units of the red subpixel R, the green subpixel G and the blue subpixel B, the backlight brightness is 10000nit, the transmittance of the single layer liquid crystal cell is 5% is exemplified by 10000 x 5% =500 nit, and under the same backlight, taking the transmittance of the second liquid crystal cell 2 as 6% and the transmittance of the first liquid crystal cell 1 as 5%, the display brightness after the double-layer liquid crystal cell is superimposed is 10000×6×5×5=300 nit, compared with the loss of (500-300)/500=40% of the single-layer liquid crystal cell, and if the first liquid crystal cell 1 is arranged by using the red subpixel R, the green subpixel G, the blue subpixel B and the blank subpixel W as the minimum repeating units, the single-layer liquid crystal cell can increase the brightness by at least 1.5 times, and at this time, the display brightness after the double-layer liquid crystal cell is superimposed is 10000×6×5×1.5=450 nit, compared with the loss of (500-450)/500=10% of the single-layer liquid crystal cell.
It can be seen that the more the number of second sub-pixels (i.e., blank sub-pixels W) introduced into each first pixel unit X1, the less the luminance loss, but at the same time, the more the number of first sub-pixels P is reduced, resulting in a loss of resolution.
For example, taking the first liquid crystal cell 1 after the second subpixel W is introduced as an example, the red subpixel R, the green subpixel G, the blue subpixel B, and the blank subpixel W are taken as the minimum repeating units, compared with the first liquid crystal cell 1 before the second subpixel W is introduced, the first liquid crystal cell 1 is arranged with the red subpixel R, the green subpixel G, and the blue subpixel B as the minimum repeating units, the number of the red subpixel R, the green subpixel G, and the blue subpixel B is reduced by 1/4, and the resolution is reduced to 3/4. If the first liquid crystal cell 1 after the second subpixel W is introduced uses the red subpixel R, the blank subpixel W, the green subpixel G, the blank subpixel W, the blue subpixel B and the blank subpixel W as the minimum repeating units, the first liquid crystal cell 1 is arranged with the red subpixel R, the green subpixel G and the blue subpixel B as the minimum repeating units compared with the first liquid crystal cell 1 before the second subpixel W is introduced, the number of the red subpixel R, the green subpixel G and the blue subpixel B is reduced by 1/2, and the resolution is reduced to 1/2.
In some embodiments, as shown in fig. 10, each of the repeating units K includes at least two pixel groups X sequentially arranged in a second direction, each of the pixel groups X including at least one first pixel unit X1 sequentially arranged in a first direction, the second direction being perpendicular to the first direction.
In one pixel group X, the respective first sub-pixels P in at least one first pixel unit X1 are cyclically arranged in a first order along a first direction, and for one repeating unit K, in any adjacent two pixel groups X, the colors of the first sub-pixels P sequentially arranged along the first direction are different such that the second sub-pixels W located in the respective pixel groups X are staggered along the first direction. The first order is an order in which the n different-color first sub-pixels P are sequentially arranged from the first to the n-th.
In the first pixel group X arranged along the second direction in one repeating unit K, the first sub-pixel R, the green sub-pixel G, the blue sub-pixel B, and the blank sub-pixel W are still taken as examples of the arrangement of the red sub-pixel R, the green sub-pixel G, and the blank sub-pixel W in each first pixel unit X1, and the first order in the first pixel group X is the order in which the red sub-pixel R, the green sub-pixel G, and the blue sub-pixel B are sequentially arranged, and at this time, the color of the first sub-pixel P sequentially arranged along the first direction is red. In the second pixel group X, the first sub-pixel P and the second sub-pixel W in each first pixel unit X1 are also arranged with the red sub-pixel R, the green sub-pixel G, the blue sub-pixel B, and the blank sub-pixel W as the minimum repeating units, except that, in the second pixel group X, the color of the first sub-pixel P sequentially arranged along the first direction is different from the color of the first sub-pixel P sequentially arranged along the first direction in the first pixel group X, that is, may be blue, so that the second sub-pixel W in the first pixel group X and the second sub-pixel W in the second pixel group W are alternately arranged along the first direction.
In this embodiment, the first subpixel P and the second subpixel W are arranged as shown in fig. 10 for the entire first liquid crystal cell 1, so that the subpixel rendering is facilitated, the display image quality is enhanced, and the resolution loss is compensated for during display.
Specifically, during display, the controller 200 is configured to input a first gray-scale voltage for driving the first subpixel P in the first liquid crystal cell 1 to display to the first liquid crystal cell 1, and input a second gray-scale voltage for driving the second pixel X2 in the second liquid crystal cell 2 to display to the second liquid crystal cell 2, so that the first liquid crystal cell 1 and the second liquid crystal cell 1 display an image to be displayed under the corresponding first gray-scale voltage and second gray-scale voltage; since each of the second pixel units X2 corresponds to one of the repeating units K, each of the repeating units K includes two pixel groups X, each of the pixel groups X includes one of the first pixel units X1, each of the n first and second sub-pixel groups P2 arranged in series is taken as one of the display units F, and each of the second pixel units X2 corresponds to 4 of the display units F, at this time, the backlight brightness of the 4 display units F is the same, and since the transmittance of light having the same brightness is greater than the transmittance of light having passed through any one of the second sub-pixels W, the controller 200 controls the first and second liquid crystal cells 1 and 2 to display the image to be displayed, and generates a third gray-scale voltage for driving the second sub-pixel W in the first liquid crystal cell 1 to display the image to be displayed according to the position of each of the second sub-pixel groups P2 in each of the display units F, so that the controller 200 can render the liquid crystal display assembly 100 to display the image to be displayed.
In this process, the second sub-pixels W in different pixel groups X are staggered along the first direction, so that the gray-scale voltage of the first sub-pixel P input to the same display unit F can be kept unchanged, the gray-scale voltage of the second sub-pixel W can be generated by the first sub-pixel P of the display unit F where each display unit F is located according to the brightness condition of the second sub-pixel W, and can also be generated by the first sub-pixel P adjacent to the display unit F where each display unit F is located.
Based on the above structure, some embodiments of the present invention provide a display method of a liquid crystal display device, which is applied to the liquid crystal display device as described above, as shown in fig. 12, the display method including:
s1, as shown in FIGS. 10 and 11, the first liquid crystal cell 1 is input and driven
The first gray-scale voltage for displaying the first sub-pixel P in 1 inputs the second gray-scale voltage for driving the second pixel unit X2 in the second liquid crystal cell 2 to display to the second liquid crystal cell 2, so that the first liquid crystal cell 1 and the second liquid crystal cell 2 display the image to be displayed under the corresponding first gray-scale voltage and second gray-scale voltage.
Wherein, according to the Display gamma of the liquid crystal Display component being gamma, the Display gamma of the first liquid crystal box 1 is gamma 1, the Display gamma of the second liquid crystal box 2 is gamma 2, and when the first liquid crystal box 1 and the second liquid crystal box 2 Display the image to be displayed under the corresponding first gray scale voltage and second gray scale voltage, the following relation is satisfied, wherein, the Display γ For the original brightness of the image to be displayed, RGB is the first Gray scale voltage, and Gray is the second Gray scale voltage.
Display γ ＝RGB γ1 *Gray γ2 。
S2, generating a third gray scale voltage for driving the second sub-pixels W in the first liquid crystal box 1 to display according to the position of each second sub-pixel group P2 in the first liquid crystal box 1 in each display unit F, and performing brightness rendering on the image to be displayed by the liquid crystal display component.
Since each of the second pixel units X2 corresponds to one of the repeating units K, each of the repeating units K includes two pixel groups X, each of the pixel groups X includes one of the first pixel units X1, each of the n first sub-pixels P and the second sub-pixel groups P2 which are sequentially arranged is taken as one of the display units F as an example, each of the second pixel units X2 corresponds to 4 of the display units F, and at this time, for the 4 display units, the backlight brightness is the same, and since the transmittance of light having the same brightness is greater for any one of the second sub-pixels W than for each of the first sub-pixels P, the controller controls the first liquid crystal cell 1 and the second liquid crystal cell 2 to display an image to be displayed, and generates a third gray-scale voltage for driving the second sub-pixels P in the first liquid crystal cell 1 to display according to the positions of the respective second sub-pixel groups P2 in the respective display units F, so that the liquid crystal display module can display the image to be rendered.
Specifically, according to the position of each second sub-pixel group P2 in the first liquid crystal box 1 in each display unit F, generating a third gray scale voltage for driving the second sub-pixel W in the first liquid crystal box 1 to display, and performing brightness rendering on the image to be displayed by the liquid crystal display component; comprising the following steps:
s21, judging the position of each second sub-pixel group P2 in each sub-unit F in each first pixel unit X1.
If any one of the second sub-pixel groups P2 in one of the first pixel units X1 is located at the middle position of one of the display units F, the minimum value of the first gray scale voltages for driving the first sub-pixels W in the display unit F to display is used as the third gray scale voltage for driving each of the second sub-pixels W in the second sub-pixel group P2 to display. If any one of the second sub-pixel groups P2 in the first pixel unit X1 is located at the edge position of one of the display units F, the maximum value of the first gray-scale voltages for driving the first sub-pixels P to display in the display unit F where the second sub-pixel group P2 is located and the first gray-scale voltages for driving the first sub-pixels P to display in the display unit F adjacent to the second sub-pixel group P2 is used as the third gray-scale voltage for driving each of the second sub-pixels W in the second sub-pixel group P2 to display.
In this embodiment, since the transmittance of light transmitted through any one of the second sub-pixels W is greater than the transmittance of light transmitted through each of the first sub-pixels P for the transmittance of light of the same brightness, the controller generates the third gray scale voltage for driving the second sub-pixels W in the first liquid crystal cell 1 to display according to the positions of the respective second sub-pixel groups P2 in the respective display units F on the basis of controlling the first liquid crystal cell 1 and the second liquid crystal cell 2 to display the image to be displayed by the controller, and the brightness rendering is performed on the image to be displayed by the liquid crystal display module, so that the transmittance can be improved, and the problem of lower transmittance and lower brightness and contrast caused by the superposition of the double-layer liquid crystal cells in the related art can be solved.
Meanwhile, based on dynamic backlight adjustment, the backlight brightness is adjusted according to the brightness of a picture, and millions of high-contrast display can be realized, so that the power consumption of the liquid crystal display device can be effectively reduced.
On the other hand, the controller generates the third gray scale voltage for driving the second sub-pixel W in the first liquid crystal cell 1 to display according to the position of each second sub-pixel group P2 in each display unit F, so as to perform brightness rendering on the image to be displayed on the liquid crystal display assembly.
Meanwhile, in the case that the second sub-pixels W in the first pixel group X and the second sub-pixels W in the second pixel group C are staggered along the first direction, sub-pixel rendering is more facilitated as compared with the arrangement of the second sub-pixels W in the different pixel groups X aligned along the first direction, and the brightness of each second sub-pixel W is adjusted so that the brightness of the second sub-pixel W is close to the brightness of the first sub-pixel P at the same position before the second sub-pixel W is not introduced, and the resolution loss can be compensated.
Here, taking the first liquid crystal cell 1 with a resolution of 3840×2160 as an example, if each second subpixel group P2 includes one second subpixel W, 3 subpixels are still used as one pixel, and the second liquid crystal cell 2 with a resolution of 1920×1080. At this time, before the second subpixel W is not introduced, the resolution of the first liquid crystal cell 1 is 3840×2160, and after the second subpixel W is introduced, the resolution of the first liquid crystal cell 1 is reduced to 3/4 of the original resolution by 1/4 of the red subpixel R, the green subpixel G and the blue subpixel B, and at this time, the resolution of the first liquid crystal cell 1 is 2880×1080.
In this embodiment, before the second sub-pixel W is not introduced, the resolution of the first liquid crystal cell 1 is 3840×2160, each of the second pixel units X2 in the second liquid crystal cell 2 corresponds to 4 display units, and the second liquid crystal cell 2 has no color film.
In some embodiments, the first gray-scale voltage for driving the first sub-pixel P in the first liquid crystal cell 1 to display is input to the first liquid crystal cell 1, the second gray-scale voltage for driving the second pixel unit X2 in the second liquid crystal cell 2 to display is input to the second liquid crystal cell 2, so that before the first liquid crystal cell 1 and the second liquid crystal cell 2 display the image to be displayed under the corresponding first gray-scale voltage and the second gray-scale voltage, the display method further includes:
acquiring gray scale values of first sub-pixels corresponding to the images to be displayed of the liquid crystal display assembly under a first condition; the first condition is that the liquid crystal display device includes only the first sub-pixels P corresponding to each row of sub-pixels sequentially arranged along the first direction, and the arrangement order of the first sub-pixels P is the same as the arrangement order of the first sub-pixels P of the corresponding row in the first liquid crystal cell 1. I.e. the structure shown in fig. 13.
The gray scale value of each first sub-pixel P corresponding to the image to be displayed by the liquid crystal display component under the first condition is converted into a first gray scale voltage for driving the first sub-pixel P in the first liquid crystal box 1 to display and a second gray scale voltage for driving the second pixel unit X2 in the second liquid crystal box 2 to display.
In this embodiment, the gray scale value of each first subpixel P corresponding to the image to be displayed is equal to the original brightness Display of the image to be displayed when the liquid crystal Display assembly displays the image to be displayed under the first condition γ 。
In other embodiments, the gray scale value of each first subpixel P corresponding to the image to be displayed by the liquid crystal display assembly under the first condition is converted into a first gray scale voltage for driving the first subpixel P in the first liquid crystal cell 1 to display, and a second gray scale voltage for driving the second pixel unit X2 in the second liquid crystal cell 2 to display; comprising the following steps:
and according to the gray scale value of each first sub-pixel corresponding to the image to be displayed by the liquid crystal display component under the first condition, acquiring the gray scale voltage Input of each first sub-pixel P corresponding to the image to be displayed by the liquid crystal display component under the first condition.
According to the Gray scale voltage Input of each first subpixel P corresponding to the image to be displayed, the liquid crystal display module generates a first Gray scale voltage RGB for driving the first subpixel P in the first liquid crystal cell 1 to display and a second Gray scale voltage Gray for driving the second pixel unit X2 in the second liquid crystal cell 2 to display.
Specifically, according to the gray scale value of each first subpixel P corresponding to the image to be displayed being displayed by the liquid crystal display component under the first condition being equal to the original brightness of the image to be displayed, the gray scale value of each first subpixel P corresponding to the image to be displayed being displayed by the liquid crystal display component under the first condition, and the gray scale voltage of each first subpixel P corresponding to the image to be displayed being displayed by the liquid crystal display component under the first condition being Input, the gray scale voltage of each first subpixel P corresponding to the image to be displayed being displayed by the liquid crystal display component under the first condition being satisfied with the following relationship.
Input γ ＝Display γ 。
The method can be as follows:
Input γ ＝RGB γ1 *Gray γ2 。
however, according to the different resolutions of the first liquid crystal cell 1 and the second liquid crystal cell 2, for the same display unit F, the following relationship exists between the first gray scale voltage and the second gray scale voltage:
RGB＝Input γ-γ2 *Gray -γ1-γ2 。
in other embodiments, before generating the first gray scale voltage for driving the first subpixel P in the first liquid crystal cell 1 to display and the second gray scale voltage for driving the second pixel unit X2 in the second liquid crystal cell 2 to display according to the gray scale voltage of each first subpixel P input corresponding to the image to be displayed by the liquid crystal display device under the first condition, the display method further includes:
According to the gray scale voltage of each first sub-pixel P input corresponding to the image to be displayed by the liquid crystal display component under the first condition, the maximum value of the gray scale voltage input to the position of each display unit F in the second pixel unit X2 of the liquid crystal display component is determined to be the value of the second gray scale voltage for driving the second pixel unit X2 in the second liquid crystal box 2 to display.
For example, taking one repeating unit corresponding to 4 display units as an example, the value of the second Gray voltage Gray has the following relation, where m= 2*i-1, n= 2*j-1, where i is e (1,1080), j is e (1,1920).
Gray i,j ＝max(Input m,n ，Input m,n+1 ，Input m+1,n ，Input m+1,n+1 )。
The scope of the present invention is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present invention, and it is intended to cover the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (12)
1. A display method of a liquid crystal display device, wherein the liquid crystal display device comprises a liquid crystal display component; wherein,
the liquid crystal display assembly has a display area and a peripheral area surrounding the display area;
The liquid crystal display assembly includes:
a first liquid crystal cell and a second liquid crystal cell which are stacked;
the first liquid crystal box comprises a plurality of repeated units which are arranged in a matrix form and are arranged in the display area, each repeated unit comprises at least one pixel group, each pixel group comprises at least one first pixel unit which is arranged in sequence along a first direction, each first pixel unit comprises a plurality of sub-pixels, each sub-pixel comprises at least one first sub-pixel group and at least one second sub-pixel group, each first sub-pixel group comprises n first sub-pixels with different colors which are arranged in sequence along the first direction, the number of the first sub-pixels of each color is at least one, each second sub-pixel group comprises at least one second sub-pixel, the first direction is a row direction or a column direction which is arranged in a matrix form, and n is a positive integer which is more than or equal to 2;
in each first pixel unit, the number of the second sub-pixel groups is smaller than or equal to the number of the first sub-pixels, any two second sub-pixel groups are discontinuous, the sum of the number of the first sub-pixels and the number of the second sub-pixel groups is an integer multiple of n, and each n first sub-pixels and each second sub-pixel group which are arranged continuously are used as a display unit;
For the transmittance of light of the same brightness, the transmittance of light transmitted through any one of the second sub-pixels is larger than the transmittance of light transmitted through each of the first sub-pixels, and the shape and the aperture ratio of each of the second sub-pixels are the same as those of one of the first sub-pixels;
the second liquid crystal box comprises a plurality of second pixel units arranged in the display area, and each second pixel unit corresponds to at least one repeating unit;
the display method of the liquid crystal display device comprises the following steps:
inputting a first gray-scale voltage for driving a first sub-pixel in the first liquid crystal box to display to the first liquid crystal box, and inputting a second gray-scale voltage for driving a second pixel unit in the second liquid crystal box to display to the second liquid crystal box, so that the first liquid crystal box and the second liquid crystal box display images to be displayed under the corresponding first gray-scale voltage and second gray-scale voltage;
generating a third gray scale voltage for driving the second sub-pixels in the first liquid crystal box to display according to the position of each second sub-pixel group in the first liquid crystal box in each display unit, and performing brightness rendering on the image to be displayed by the liquid crystal display assembly; wherein,
Generating a third gray scale voltage for driving the second sub-pixels in the first liquid crystal box to display according to the position of each second sub-pixel group in the first liquid crystal box in each display unit, and performing brightness rendering on the image to be displayed by the liquid crystal display assembly; comprising the following steps:
judging the position of each second sub-pixel group in each sub-unit in each first pixel unit;
if any one of the second sub-pixel groups in one first pixel unit is positioned at the middle position of one display unit, taking the minimum value of the first gray scale voltage in the display unit for driving the first sub-pixel to display as the third gray scale voltage for driving each second sub-pixel in the second sub-pixel group to display;
and if any one of the second sub-pixel groups in one first pixel unit is positioned at the edge position of one display unit, taking the maximum value of the first gray scale voltage driving the first sub-pixel to display in the display unit where the second sub-pixel group is positioned and the first gray scale voltage driving the first sub-pixel to display in the display unit adjacent to the second sub-pixel group as the third gray scale voltage driving each second sub-pixel in the second sub-pixel group to display.
2. The method for displaying a liquid crystal display device according to claim 1, wherein,
according to the gamma of the liquid crystal Display assembly being gamma, the gamma of the first liquid crystal box being gamma 1, the gamma of the second liquid crystal box being gamma 2, the first and second liquid crystal boxes satisfying the following relation when displaying the image to be displayed under the corresponding first and second gray scale voltages, wherein the Display is γ RGB is a first Gray scale voltage, and Gray is a second Gray scale voltage for the original brightness of the image to be displayed;
Display γ =RGB γ1 *Gray γ2 。
3. the method for displaying a liquid crystal display device according to claim 2, wherein,
inputting a first gray-scale voltage for driving a first sub-pixel in the first liquid crystal box to display to the first liquid crystal box, and inputting a second gray-scale voltage for driving a second pixel unit in the second liquid crystal box to display to the second liquid crystal box, so that before the first liquid crystal box and the second liquid crystal box display images to be displayed under the corresponding first gray-scale voltage and second gray-scale voltage, the method further comprises:
acquiring gray scale values of first sub-pixels corresponding to the image to be displayed, which are displayed by the liquid crystal display assembly under a first condition; the first condition is that the liquid crystal display component only comprises first sub-pixels corresponding to each row of sub-pixels which are sequentially arranged along the first direction, and the arrangement order of the first sub-pixels is the same as that of the first sub-pixels of the corresponding row in the first liquid crystal box;
And converting the gray scale value of each first sub-pixel corresponding to the image to be displayed, which is displayed by the liquid crystal display component under the first condition, into a first gray scale voltage for driving the first sub-pixel in the first liquid crystal box to display and a second gray scale voltage for driving the second pixel unit in the second liquid crystal box to display.
4. A display method of a liquid crystal display device according to claim 3, wherein,
converting the gray scale value of each first sub-pixel corresponding to the image to be displayed, which is displayed by the liquid crystal display component under the first condition, into a first gray scale voltage for driving the first sub-pixel in the first liquid crystal box to display and a second gray scale voltage for driving the second pixel unit in the second liquid crystal box to display; comprising the following steps:
according to the gray scale value of each first sub-pixel corresponding to the image to be displayed by the liquid crystal display component under the first condition, the gray scale voltage of each first sub-pixel input corresponding to the image to be displayed by the liquid crystal display component under the first condition is obtained;
and generating a first gray scale voltage for driving the first sub-pixel in the first liquid crystal box to display and a second gray scale voltage for driving the second pixel unit in the second liquid crystal box to display according to the gray scale voltage input into each first sub-pixel corresponding to the image to be displayed by the liquid crystal display component under the first condition.
5. The method for displaying a liquid crystal display device according to claim 3 or 4, wherein,
before generating the first gray scale voltage for driving the first sub-pixel in the first liquid crystal box to display and the second gray scale voltage for driving the second pixel unit in the second liquid crystal box to display according to the gray scale voltage input to each first sub-pixel corresponding to the image to be displayed by the liquid crystal display component under the first condition, the display method further comprises:
and determining the maximum value of the gray scale voltages input to the positions of the display units in the second pixel units corresponding to the liquid crystal display assembly as the value of the second gray scale voltage for driving the second pixel units in the second liquid crystal box to display according to the gray scale voltages input to the first sub-pixels corresponding to the image to be displayed by the liquid crystal display assembly under the first condition.
6. A liquid crystal display device, characterized by being configured to perform the display method of the liquid crystal display device according to any one of claims 1 to 5; the liquid crystal display device further comprises a controller electrically connected with the liquid crystal display assembly;
the controller is used for inputting a first gray-scale voltage for driving a first sub-pixel in the first liquid crystal box to display to the first liquid crystal box, inputting a second gray-scale voltage for driving a second pixel unit in the second liquid crystal box to display to the second liquid crystal box, so that the first liquid crystal box and the second liquid crystal box display images to be displayed under the corresponding first gray-scale voltage and second gray-scale voltage; and generating a third gray scale voltage for driving the second sub-pixels in the first liquid crystal box to display according to the positions of the second sub-pixel groups in the first liquid crystal box in each display unit, and performing brightness rendering on the image to be displayed by the liquid crystal display component.
7. The liquid crystal display device according to claim 6, wherein,
the n first sub-pixels with different colors are primary color sub-pixels respectively emitting light with different colors;
the second subpixel is a white subpixel emitting white light or a yellow subpixel emitting yellow light.
8. The liquid crystal display device according to claim 6 or 7, wherein,
each repeating unit comprises at least two first pixel groups which are sequentially arranged along a second direction, each first pixel group comprises at least one first pixel unit which is sequentially arranged along the first direction, and the second direction is perpendicular to the first direction;
in one first pixel group, each first sub-pixel in at least one first pixel unit is circularly arranged along a first direction according to a first sequence, and for one repeating unit, colors of first sub-pixels sequentially arranged along the first direction in any two adjacent first pixel groups are different, so that second sub-pixels in each first pixel group are staggered along the first direction;
the first order is an order in which the n first sub-pixels having different colors are sequentially arranged from the first to the n-th.
9. The liquid crystal display device according to claim 6 or 7, wherein,
n is greater than or equal to 3.
10. The liquid crystal display device according to claim 7 or 8, wherein,
the first sub-pixels and the second sub-pixels are both bar-shaped and extend along a second direction, and the second direction is perpendicular to the first direction.
11. The liquid crystal display device according to claim 10, wherein,
the first direction is a row direction arranged in a matrix form.
12. The liquid crystal display device of claim 6, further comprising a backlight module electrically connected to the controller;
the backlight module is arranged at one side of the second liquid crystal box far away from the first liquid crystal box;
the controller is also used for controlling the backlight module to provide backlight for the liquid crystal display component.
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