CN106328094B - A kind of display control method of liquid crystal display - Google Patents
A kind of display control method of liquid crystal display Download PDFInfo
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- CN106328094B CN106328094B CN201611028360.8A CN201611028360A CN106328094B CN 106328094 B CN106328094 B CN 106328094B CN 201611028360 A CN201611028360 A CN 201611028360A CN 106328094 B CN106328094 B CN 106328094B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
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- G—PHYSICS
- 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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
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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
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nonlinear Science (AREA)
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- Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Liquid Crystal Display Device Control (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of display control methods of liquid crystal display, which comprises first voltage is applied on the blue subpixels B of the central area of the image element array substrates viewing area, for controlling its display；Second voltage is applied on the blue subpixels B of the neighboring area of the image element array substrates viewing area, for controlling its display；The neighboring area of the image element array substrates viewing area surrounds the central area of the image element array substrates viewing area；The second voltage is less than the first voltage, so that the brightness that the blue subpixels on the neighboring area of the image element array substrates viewing area are shown is less than the brightness that the blue subpixels on the central area of the image element array substrates viewing area are shown.When the display control method of liquid crystal display provided by the invention improves liquid crystal display display compared to the prior art there is blue side in periphery, improve the uniformity that liquid crystal display blue light is shown.
Description
Technical field
The present invention relates to technical field of liquid crystal display more particularly to a kind of display control methods of liquid crystal display.
Background technique
Liquid crystal display from main light emission, therefore cannot need that backlight is arranged in liquid crystal display.
The backlight of liquid crystal display generally all uses blue light-emitting diode.In traditional liquid crystal display,
Red and green emitting phosphor is covered usually on blue light-emitting diode, this be covered on red on blue light-emitting diode and
The blue light that blue LED issues can be converted into white light by green emitting phosphor.
However, this traditional liquid crystal display improves the limited capacity of colour gamut, for example, traditional liquid crystal display
Colour gamut reach 100% (NTSC (National Television Standards Committee, national television standard committee member
Meeting)) already close to the limit, in order to further enhance the colour gamut of liquid crystal display, need to find new scheme.
QDEF (Quantum Dot Enhancement Film, quantum dot color enhancement film) is one layer and is embedded in indium phosphide
With the plastic foil of the spherical quantum dot of nano-scale of cadmium composition.It, can be in liquid crystal display in order to promote the colour gamut of liquid crystal display
QDEF is added in screen.Quantum dot in QDEF can about 2/3rds by the blue light that backlight issues be converted into feux rouges and
Green light, in this way, the liquid crystal display that joined QDEF can have the colour gamut to match in excellence or beauty with OLED (Organic Light Emitting Diode).With biography
The white light that the liquid crystal display of system issues is compared, and has more red, green, blue coloured light through colour filter, thus is shown brighter
Bright, color is richer.
QDEF realize high colour gamut the reason of mainly have two o'clock: 1, QDEF have relatively narrow half peak breadth (FWHM), 2,
Yellow light near 600nm wavelength is almost without transmission.Fig. 1 shows QDEF backlight spectra.
But the QDEF for being used to prepare liquid crystal display needs to be cut into the size being adapted with liquid crystal display.
In cutting process, the quantum dot at the edge QDEF may be destroyed, so that the edge the QDEF quantum point failure after cutting, causes to carry on the back
The blue light that light source issues is penetrated from QDEF surrounding, occurs surrounding in display so as to cause liquid crystal display and there is blue side
Phenomenon.
Summary of the invention
In view of this, the present invention provides a kind of display control method of liquid crystal display, to solve to be provided with QDEF
Liquid crystal display occur surrounding in display and there are problems that blue side.
In order to solve the above-mentioned technical problem, present invention employs following technical solutions:
A kind of display control method of liquid crystal display, the liquid crystal display include:
The light guide plate that is cascading, quantum dot color enhancement film, the first bright enhancement film, the second bright enhancement film, diffusion barrier and
Image element array substrates；
Multiple pixel units are provided on the image element array substrates viewing area, each pixel unit includes red son
Pixel R, green sub-pixels G and blue subpixels B；The described method includes:
First voltage is applied on the blue subpixels B of the central area of the image element array substrates viewing area, for controlling
Make its display；Second voltage is applied on the blue subpixels B of the neighboring area of the image element array substrates viewing area, for controlling
Make its display；The neighboring area of the image element array substrates viewing area surrounds the center of the image element array substrates viewing area
Domain；
The second voltage is less than the first voltage, so that on the neighboring area of the image element array substrates viewing area
What the blue subpixels that the brightness that blue subpixels are shown is less than on the central area of the image element array substrates viewing area were shown
Brightness.
Optionally, the first voltage is constant voltage, so as to be located at the center of the image element array substrates viewing area
The brightness constancy that the blue subpixels B in domain is shown；
The second voltage is from the neighboring area of image element array substrates viewing area to the center of image element array substrates viewing area
Region is gradually increased, so that the brightness that the blue subpixels B for being located at the neighboring area of the image element array substrates viewing area is shown
It is gradually risen from edge to center.
Optionally, setting quantum dot color enhancement film bottom edge corresponds to the incident side of the light guide plate, compared to center
The intensity gray scale that the blue subpixels B in domain is shown, positioned at twoth area of left and right of the neighboring area of the image element array substrates viewing area
Modulation is 1~10 rank under the intensity gray scale that the blue subpixels in domain are shown.
Optionally, setting quantum dot color enhancement film bottom edge corresponds to the incident side of the light guide plate, compared to center
The intensity gray scale that the blue subpixels B in domain is shown, positioned at the indigo plant of the upper-side area of the neighboring area of image element array substrates viewing area
Modulation is 1~40 rank under the intensity gray scale that sub-pixels are shown.
Optionally, setting quantum dot color enhancement film bottom edge corresponds to the incident side of the light guide plate, compared to center
The intensity gray scale that the blue subpixels B in domain is shown, positioned at the indigo plant of the underside area of the neighboring area of image element array substrates viewing area
Modulation is 1~40 rank under the intensity gray scale that sub-pixels are shown.
Optionally, setting quantum dot color enhancement film bottom edge corresponds to the incident side of the light guide plate, then the pixel battle array
The range of the neighboring area of column substrate viewing area specifically: inwardly prolong from three side edges on the left and right of image element array substrates viewing area
The width stretched is not less than 2.2mm, and the width to extend internally from the bottom edge of image element array substrates viewing area is not less than 4.6mm.
Optionally, orthographic projection of the neighboring area of the image element array substrates viewing area on light guide plate and the quantum dot
Orthographic projection of the region on light guide plate of turning blue of the periphery of color enhancement film is at least partly overlapping, the image element array substrates viewing area
Orthographic projection of the neighboring area on light guide plate and the quantum dot color enhancement film normal display area on light guide plate
Orthographic projection is at least partly overlapping.
Optionally, orthographic projection of the neighboring area of the image element array substrates viewing area on light guide plate and the quantum dot
Orthographic projection of the region on light guide plate of turning blue of the periphery of color enhancement film is completely overlapped, the week of the image element array substrates viewing area
Positive throwing of the normal display area of orthographic projection of the border region on light guide plate and the quantum dot color enhancement film on light guide plate
Shadow is completely overlapped.
Compared to the prior art, the invention has the following advantages:
In the display control method of liquid crystal display provided by the invention, for controlling image element array substrates viewing area
The first voltage that the blue subpixels of neighboring area are shown is less than the central area for controlling image element array substrates viewing area
The second voltage that blue subpixels are shown.Since the voltage being applied on sub-pixel determines the brightness that the sub-pixel is shown, and
And voltage is bigger, brightness is higher, therefore, in display control method provided by the invention, the periphery of image element array substrates viewing area
The brightness that the blue subpixels in region are shown is less than the brightness that the blue subpixels of central area are shown.
By background technology part it is found that the quantum point failure of quantum dot color enhancement film neighboring area will lead to neighboring area
Blue light is leaked, in this way, aobvious plus image element array substrates in the blue light that the blue light that liquid crystal display neighboring area is shown is the leakage
Show the blue light summation that the blue subpixels of the neighboring area in area are shown, and the blue light shown in liquid crystal display central area is i.e.
The blue light shown for the blue subpixels on the central area of image element array substrates viewing area.In this way, provide through the invention
The display control method of liquid crystal display, the sub- picture of blue of the neighboring area by reducing control image element array substrates viewing area
The pixel voltage of element, the blue light brightness for reducing the blue light shown in liquid crystal display neighboring area and being shown in central area
Between difference, both make more close, there are problems that surrounding is turned blue when so as to improve liquid crystal display display, improve liquid
The uniformity that crystal display device is shown.
In addition, the display control method provided through the invention, the blue light that liquid crystal display neighboring area is shown with
The difference for the blue light brightness that central area is shown (in the prior art, controls the institute on image element array substrates compared to the prior art
The voltage for having blue subpixels to show is identical, so causes all blue subpixels on entire image element array substrates to show bright
It spends identical.) in liquid crystal display neighboring area and the difference of blue light that shows of central area it is smaller, therefore, the present invention mentions
Periphery exists when the display control method of the liquid crystal display of confession improves liquid crystal display display compared to the prior art
The problem of blue side, improves the uniformity that liquid crystal display blue light is shown.
Detailed description of the invention
In order to which technical solution of the present invention is expressly understood, will be used below when describing a specific embodiment of the invention
Attached drawing do a brief description.It should be evident that these attached drawings are only section Example of the invention, ordinary skill people
Member can also obtain other attached drawings under the premise of not making the creative labor.
Fig. 1 is the backlight spectra schematic diagram through QDEF；
Fig. 2 is liquid crystal display structural schematic diagram in the related technology；
Fig. 3 is that the relationship between the chrominance C IE value of three kinds of color coloured light of RGB and each side back gauge of liquid crystal display panel is shown
It is intended to；
Fig. 4 is image element array substrates structural schematic diagram in the related technology.
Specific embodiment
To keep the purpose of the present invention, technical solution, beneficial effect more clear and complete, with reference to the accompanying drawing to of the invention
Specific embodiment is described in detail.
Before introducing the embodiment of the present invention, the structure of liquid crystal display is introduced first.Fig. 2 is liquid crystal in the related technology
Show the structural schematic diagram of equipment.As shown in Fig. 2, the liquid crystal display includes:
Light guide plate 21；
Quantum dot color enhancement film 22 above the light guide plate 21；
The first bright enhancement film 23 above the quantum dot color enhancement film 22；
The second bright enhancement film 24 above first bright enhancement film 23；
Diffusion barrier 25 above second bright enhancement film 24；
Liquid crystal display panel 26 above the diffusion barrier 25, wherein liquid crystal display panel 26 includes pixel array
Substrate and liquid crystal material.
From the positional relationship of each layer of structure of above-mentioned liquid crystal display it is found that these layer of structure is the knot being stacked
Structure.
Wherein, light guide plate 21, quantum dot color enhancement film 22, the first bright enhancement film 23, the second bright enhancement film 24 and diffusion barrier 25
Constitute the backlight assembly of liquid crystal display.
By the structure of above-mentioned liquid crystal display it is found that quantum dot color enhancement film and image element array substrates are stacked on top of one another
Structure.Since quantum dot color enhancement film is in cutting process, it may cause the quantum point failure of neighboring area, lead to quantum dot
Blue light is leaked on color enhancement film periphery, in embodiments of the present invention, can be with according to the region that quantum dot color enhancement film periphery is turned blue
The entire film of quantum dot color enhancement film is divided into periphery to turn blue region and normal display area.Correspondingly by image element array substrates
Viewing area be also divided into neighboring area and central area, wherein leading the neighboring area of the image element array substrates viewing area
Orthographic projection of the region on light guide plate turn blue at least partly in the periphery of orthographic projection and the quantum dot color enhancement film on tabula rasa
It is overlapping, orthographic projection of the neighboring area of the image element array substrates viewing area on light guide plate and the quantum dot color enhancement film
Orthographic projection of the normal display area on light guide plate it is at least partly overlapping.
Preferably, orthographic projection of the neighboring area of the image element array substrates viewing area on light guide plate and the quantum dot
Orthographic projection of the region on light guide plate of turning blue of the periphery of color enhancement film is completely overlapped, the week of the image element array substrates viewing area
Positive throwing of the normal display area of orthographic projection of the border region on light guide plate and the quantum dot color enhancement film on light guide plate
Shadow is completely overlapped.
Further, for the boundary of clear neighboring area and central area, present inventor is investigated RGB
Relationship between the photochromism and each side back gauge of quantum dot color enhancement film of three kinds of colors, specific result of study are as shown in Figure 3.It needs
Illustrate, in Fig. 3, setting quantum dot color enhancement film bottom edge corresponds to the incident side of the light guide plate.Fig. 3 shows red green
Relation schematic diagram between each side back gauge of chrominance C IE value and quantum dot color enhancement film of blue three-color light.It can be with from Fig. 3
Find out, three sides on the left and right of quantum dot color enhancement film, the direction the x direction the chromaticity coordinate Wx and y chromaticity coordinate Wy of white point from
Quantum dot color enhancement film edge is gradient to away from the 2.2mm of side, in the direction the x chromaticity coordinate Wx of the position white point away from side 2.2mm
Reach stable state with the direction y chromaticity coordinate Wy, on the bottom edge of quantum dot color enhancement film, the direction the x chromaticity coordinate of white point
It is gradient to from the bottom edge edge of quantum dot color enhancement film away from from the 3.6mm of side, at away from side 3.6mm, the direction the x coloration of white point is sat
Mark Wx reaches stable state, and the direction the y chromaticity coordinate of white point is gradient to from the bottom edge edge of quantum dot color enhancement film away from side
At 4.6mm, at away from side 4.6mm, the direction the y chromaticity coordinate Wy of white point reaches stable state.It is to be appreciated that implementing in the present invention
In example, the chromaticity coordinate CIE value of white point uses 1931 standards.
The relation schematic diagram of coloration and each side back gauge according to Fig.3, can limit the week of image element array substrates viewing area
Border region range specifically: be not less than from the width that three side edges extend internally on the left and right of image element array substrates viewing area
2.2mm, the width to extend internally from the bottom edge edge of image element array substrates viewing area are not less than 4.6mm.
From fig. 3 it can also be seen that closer apart from edge, chrominance distance is stablized in coloration unstable region, that is, neighboring area
It is worth bigger.Neighboring area is region of turning blue, and the degree difference of turning blue in the region of turning blue, closer to edge, degree of turning blue is heavier.
In view of present invention is generally directed to the improvement of the pixel display control on image element array substrates, pixel is highlighted below
The structure and control display methods of array substrate.
Fig. 4 is image element array substrates structural schematic diagram provided in an embodiment of the present invention.As shown in figure 4, the pixel array base
Multiple pixel units are provided on plate viewing area, each pixel unit includes red sub-pixel R, green sub-pixels G and blue
Pixel B.
In Fig. 4, image element array substrates viewing area is divided into two regions by closed curve S, wherein is located in curve S
The region in portion is the central area s1 of image element array substrates viewing area, and the region outside curve S is that image element array substrates are shown
The neighboring area s2 in area.
Wherein, when controlling liquid crystal display display, first voltage is applied to the center of image element array substrates viewing area
On the blue subpixels B of region s1, second voltage is applied to the sub- picture of blue of the neighboring area s2 of image element array substrates viewing area
On plain B, and second voltage is less than first voltage, since the size of voltage can control the brightness height that sub-pixel is shown,
The brightness that the blue subpixels of the neighboring area of image element array substrates viewing area are shown is less than the blue subpixels of its central area
The brightness of display.
By background technology part it is found that quantum dot color enhancement film neighboring area quantum point failure will lead to neighboring area leakage
Blue light, in this way, being shown in the blue light that the blue light that liquid crystal display neighboring area is shown is the leakage plus image element array substrates
The blue light summation that the blue subpixels of the neighboring area in area are shown, and be in the blue light that liquid crystal display central area is shown
The blue light that blue subpixels on the central area of image element array substrates viewing area are shown.In this way, the liquid provided through the invention
The display control method of crystal display device controls the blue subpixels of image element array substrates viewing area neighboring area by reduction
Pixel voltage reduces blue light that liquid crystal display neighboring area is shown and between the blue light brightness that central area is shown
Difference keeps the two close, there are problems that surrounding is turned blue when so as to improve liquid crystal display display, improves liquid crystal display
The uniformity of display.
In addition, the display control method of the liquid crystal display provided through the invention, in liquid crystal display peripheral region
The difference for the blue light brightness that the blue light and central area that domain is shown are shown (in the prior art, controls pixel compared to the prior art
The voltage that all blue subpixels in array substrate are shown is identical, so leads to all blues on entire image element array substrates
The brightness that sub-pixel is shown is identical.) in liquid crystal display neighboring area and the difference of blue light that shows of central area it is smaller,
Therefore, periphery exists when the display control method of liquid crystal display provided by the invention can improve liquid crystal display display
The problem of blue side, is conducive to improve the uniformity that liquid crystal display blue light is shown.
Above-mentioned technical effect for a clearer understanding of the present invention, is described with formula of mathematical below.
Δ I=(IPeriphery leakage+INeighboring pixel is shown)-ICenter pixel is shown (1)
From above-mentioned formula (1) as can be seen that in IPeriphery leakageAnd ICenter pixel is shownIn the case where constant, INeighboring pixel is shownReduction, have
Conducive to Δ I, i.e. the difference reduction of the blue light brightness that show of liquid crystal display neighboring area and central area is reduced, so, it is possible
Improving liquid crystal display periphery has blue side, is conducive to improve the uniformity that liquid crystal display blue light is shown.This
Inventive embodiments are namely based on above-mentioned principle, reduce the display brightness of the blue subpixels of image element array substrates neighboring area, reach
There are problems that blue side to liquid crystal display periphery is improved, and then improves the uniformity that liquid crystal display blue light is shown.
In addition, the relation schematic diagram between coloration and back gauge according to Fig.4, is it is found that in neighboring area, apart from edge
Closer, chrominance distance stationary value is bigger.The degree difference of turning blue of the neighboring area, closer to edge, degree of turning blue is heavier.
Since in the neighboring area of quantum dot color enhancement film, closer to edge, degree of turning blue is heavier, so, in order to more
Improve periphery problem of turning blue well and is applied to the blue subpixels B of image element array substrates central area in embodiments of the present invention
On first voltage be constant voltage so that be located at image element array substrates central area blue subpixels B show brightness perseverance
It is fixed.Being applied to second voltage on the blue subpixels B of image element array substrates neighboring area is voltage gradient, and from pixel array
The edge of substrate is gradually increased to center, so that the brightness that the blue subpixels B for being located at image element array substrates neighboring area is shown
It is gradually risen from edge to center, to reach following effect as far as possible:, brightness lower blue subpixels closer apart from edge are shown
The blue light shown is plus the sum of blue light brightness of the biggish leakage of brightness and the blue subpixels slightly higher apart from the farther away brightness in edge
The blue light of display is substantially close plus the sum of the blue light brightness of the lower leakage of brightness, so that liquid crystal display peripheral region
The blue light brightness that domain and central area are shown is close, so preferably improves the problem of liquid crystal display periphery is turned blue, and improves
Liquid crystal display show uniformity.
As specific embodiments of the present invention, when setting quantum dot color enhancement film bottom edge corresponds to entering for the light guide plate
When light side, the embodiment of the present invention can control the display control of liquid crystal display using mode in detail below, to reach aobvious
Show uniform purpose:
According to the left and right region deviding range of the neighboring area of image element array substrates viewing area, compared to the indigo plant of central area
The brightness that sub-pixels B is shown, gradual change type second voltage make positioned at two region of left and right of the image element array substrates neighboring area
The intensity gray scale that shows of blue subpixels under modulation be 1~10 rank.
As more specific embodiment of the invention, image element array substrates neighboring area can be controlled using following control mode
Two region of left and right blue subpixels display brightness:
Compared to the brightness that the central area blue subpixels B of first voltage control is shown, second voltage controls pixel battle array
The brightness that blue subpixels of the column substrate the right and left in 30 column sub-pixels of proximal edge are shown is lowered.As of the invention
More specific embodiment, second voltage control are located at indigo plant of the image element array substrates the right and left in 5 column sub-pixels of proximal edge
10 ranks are lowered in the brightness that sub-pixels are shown；Second voltage control is located at image element array substrates the right and left near the of proximal edge
Modulation is from 5 ranks to 1 rank gradual change under the brightness that blue subpixels in 6-15 column sub-pixel are shown；Second voltage control is located at picture
1 rank is lowered in the brightness that blue subpixels of the pixel array substrate the right and left in the 16-30 column sub-pixel of proximal edge are shown.
For the upper-side area confining spectrum of image element array substrates neighboring area, compared to the blue subpixels of central area
The brightness that B is shown, gradual change type second voltage keep the blue subpixels of the upper-side area positioned at image element array substrates neighboring area aobvious
Modulation is 1~40 rank under the brightness shown.
More specifically, second voltage control is located at pixel array according to the top extent of image element array substrates neighboring area
The brightness that blue subpixels in 80 row sub-pixels of substrate top are shown is lowered.
As more specific embodiment of the invention, image element array substrates neighboring area can be controlled using following control mode
Upper-side area blue subpixels display brightness:
Further, second voltage control is located at the sub- picture of blue in 10 row sub-pixels of image element array substrates top
40 ranks are lowered in the brightness of element display；
The blue subpixels that second voltage control is located in the 11-50 row sub-pixel of image element array substrates top are shown
Brightness under modulation from 5 ranks to 1 rank gradual change；
It is aobvious that second voltage control is located at the blue subpixels in the 51-100 row sub-pixel of image element array substrates top
1 rank is lowered in the brightness shown.
For the underside area confining spectrum of image element array substrates neighboring area, compared to the blue subpixels of central area
The brightness that B is shown, the modulation under the brightness that shows of blue subpixels of the underside area of image element array substrates neighboring area
For 1~40 rank.
As more specific embodiment of the invention, image element array substrates neighboring area can be controlled using following control mode
Bottom section blue subpixels display brightness:
According to the bottom range of image element array substrates neighboring area, the control of gradual change type second voltage is located at image element array substrates
The brightness that blue subpixels in 150 row sub-pixel of lowermost end are shown is lowered.
Further, second voltage control is located at the sub- picture of blue in 10 row sub-pixels of image element array substrates lowermost end
40 ranks are lowered in the brightness of element display；
It is aobvious that second voltage control is located at the blue subpixels in the 11-100 row sub-pixel of image element array substrates lowermost end
Modulation is from 5 ranks to 1 rank gradual change under the brightness shown；
It is aobvious that second voltage control is located at the blue subpixels in the 101-150 row sub-pixel of image element array substrates lowermost end
1 rank is lowered in the brightness shown.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (7)
1. a kind of display control method of liquid crystal display, the liquid crystal display include:
Light guide plate, quantum dot color enhancement film, the first bright enhancement film, the second bright enhancement film, diffusion barrier and the pixel being cascading
Array substrate；
Multiple pixel units are provided on the image element array substrates viewing area, each pixel unit includes red sub-pixel
R, green sub-pixels G and blue subpixels B；It is characterized in that, which comprises
First voltage is applied on the blue subpixels B of the central area of the image element array substrates viewing area, for controlling it
Display；Second voltage is applied on the blue subpixels B of the neighboring area of the image element array substrates viewing area, for controlling it
Display；The neighboring area of the image element array substrates viewing area surrounds the central area of the image element array substrates viewing area；
The second voltage is less than the first voltage, so that the blue on the neighboring area of the image element array substrates viewing area
The brightness that sub-pixel is shown is less than the brightness that the blue subpixels on the central area of the image element array substrates viewing area are shown；
The first voltage is constant voltage, so as to be located at the sub- picture of blue of the central area of the image element array substrates viewing area
The brightness constancy that plain B is shown；
The second voltage is from the neighboring area of image element array substrates viewing area to the central area of image element array substrates viewing area
It is gradually increased, so that the brightness that the blue subpixels B for being located at the neighboring area of the image element array substrates viewing area is shown is by side
Edge gradually rises to center.
2. the method according to claim 1, wherein setting quantum dot color enhancement film bottom edge corresponds to described lead
It is aobvious to be located at the image element array substrates compared to the intensity gray scale that shows of blue subpixels B of central area for the incident side of tabula rasa
Show that modulation is 1~10 rank under the intensity gray scale that the blue subpixels in two region of left and right of the neighboring area in area are shown.
3. the method according to claim 1, wherein setting quantum dot color enhancement film bottom edge corresponds to described lead
The incident side of tabula rasa is located at image element array substrates viewing area compared to the intensity gray scale that shows of blue subpixels B of central area
Neighboring area upper-side area the intensity gray scale that shows of blue subpixels under modulation be 1~40 rank.
4. the method according to claim 1, wherein setting quantum dot color enhancement film bottom edge corresponds to described lead
The incident side of tabula rasa is located at image element array substrates viewing area compared to the intensity gray scale that shows of blue subpixels B of central area
Neighboring area underside area the intensity gray scale that shows of blue subpixels under modulation be 1~40 rank.
5. method according to claim 1-4, which is characterized in that setting quantum dot color enhancement film bottom edge is corresponding
In the incident side of the light guide plate, then the range of the neighboring area of the image element array substrates viewing area specifically: from pixel battle array
The width that three side edges extend internally on the left and right of column substrate viewing area is not less than 2.2mm, from image element array substrates viewing area
The width that bottom edge extends internally is not less than 4.6mm.
6. method according to claim 1-4, which is characterized in that the periphery of the image element array substrates viewing area
The periphery of orthographic projection of the region on light guide plate and the quantum dot color enhancement film is turned blue orthographic projection of the region on light guide plate
It is at least partly overlapping, orthographic projection of the neighboring area of the image element array substrates viewing area on light guide plate and the quantum dot color
Orthographic projection of the normal display area of coloured silk enhancing film on light guide plate is at least partly overlapping.
7. according to the method described in claim 6, it is characterized in that, the neighboring area of the image element array substrates viewing area is being led
Orthographic projection of the region on light guide plate of turning blue of the periphery of orthographic projection and the quantum dot color enhancement film on tabula rasa is completely overlapped,
Orthographic projection of the neighboring area of the image element array substrates viewing area on light guide plate and the quantum dot color enhancement film are just
Normal orthographic projection of the display area on light guide plate is completely overlapped.
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| CN106873205B (en) * | 2017-04-21 | 2019-10-29 | 京东方科技集团股份有限公司 | Liquid crystal display device and its driving method |
| CN108766347A (en) | 2018-06-13 | 2018-11-06 | 京东方科技集团股份有限公司 | A kind of display panel, its display methods and display device |
| CN109686248B (en) * | 2018-11-29 | 2020-05-12 | 武汉华星光电技术有限公司 | Display panel |
| CN109239972B (en) * | 2018-11-30 | 2021-04-30 | 厦门天马微电子有限公司 | Color film substrate, display panel and display device |
| CN110197635B (en) * | 2019-06-04 | 2022-08-12 | 厦门天马微电子有限公司 | Display device, driving method thereof and electronic equipment |
| CN110187552B (en) * | 2019-06-28 | 2022-05-27 | 武汉天马微电子有限公司 | Display panel and display device |
| JP7268556B2 (en) * | 2019-09-24 | 2023-05-08 | セイコーエプソン株式会社 | projector |
| CN114217477B (en) * | 2022-01-18 | 2024-04-26 | 合肥联宝信息技术有限公司 | Display screen, electronic equipment and display debugging method |
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