CN106023909A - Display device and display method thereof - Google Patents
Display device and display method thereof Download PDFInfo
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- CN106023909A CN106023909A CN201610664144.6A CN201610664144A CN106023909A CN 106023909 A CN106023909 A CN 106023909A CN 201610664144 A CN201610664144 A CN 201610664144A CN 106023909 A CN106023909 A CN 106023909A
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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
- G09G3/3413—Details of control of colour illumination sources
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
- G02B6/0016—Grooves, prisms, gratings, scattering particles or rough surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
- G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources
-
- 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
- G02F1/133621—Illuminating devices providing coloured light
-
- 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
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/136286—Wiring, e.g. gate line, drain line
-
- 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
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
Abstract
The invention provides a display device and a driving method thereof. The display device comprises a liquid crystal display panel, a backlight module, an information acquiring module, a time-sequence control module, a display driving module and a backlight driving module. The information acquiring module is used for decomposing each frame of image to be displayed into a plurality of sub-images in different colors and acquiring the gray level information of each sub-image. The time-sequence control module is used for dividing a display stage of each frame of image into a plurality of fields, and each sub-image is displayed in the corresponding field; each field comprises a driving sub-stage and a light-emitting sub-stage, wherein the duration of the driving sub-stage is shorter than that of the light-emitting sub-stage. The display driving module is used for providing driving signals for all pixel areas according to the grey level information of sub-images to be displayed in the light-emitting sub-stages. The backlight driving module is used for controlling the backlight module to emit light with colors the same as those of the sub-images to be displayed in the light-emitting sub-stages and switching off the backlight module in the driving sub-stages. The display device and the driving method thereof can improve the display effect while improving the resolution ratio.
Description
Technical field
The present invention relates to Display Technique field, be specifically related to a kind of display device and display side thereof
Method.
Background technology
Liquid crystal indicator includes display panels and backlight, and display panels includes
Array base palte, to box substrate and liquid crystal layer positioned there between.Traditional liquid crystal indicator
Using spacing color mixed method to show, specifically, each pixel region of display panels is drawn
Be divided into multiple sub-pixel, on box substrate corresponding to the part of each sub-pixel be provided with red,
Green, blue color blocking block；The light of backlight, after liquid crystal and color blocking block, forms certain brightness
And color, the light of three kinds of colors of each pixel cell outgoing is mixed to form required color,
And then display coloured image.
In order to improve resolution and save color blocking block, technical staff have studied a kind of base
In the field-sequential liquid crystal display of time mixing color, its principle is, utilize backlight send red,
Green, blue light, thus show the monochrome image of red, green, blue；Owing to the vision of human eye is temporary
Staying effect, the primary colour image of red, green, blue is by secondary for synthesis one complete coloured image.But,
In existing field-sequential liquid crystal display, between adjacent two primary colour images, color easily occurs
Confusion, and, owing to different primary colour images arrives the retina of beholder the most in the same time,
Therefore, when beholder's eye rotation, different primary colour images can fall at the diverse location of human eye,
Thus produce visual artefacts.
Summary of the invention
It is contemplated that at least solve one of technical problem present in prior art, it is proposed that
A kind of display device and display packing thereof, to improve display dress while improving display resolution
The display effect put.
In order to solve one of above-mentioned technical problem, the present invention provides a kind of display device, including:
Display panels, described display panels is divided into multiple pixel region；
Backlight module, is arranged on the incident side of described display panels, is used for as described liquid
LCD panel provides the mutually different multi-light of color；Described display device also includes:
Data obtaining module, different for every two field picture to be shown is decomposed into color
Several subimages, and obtain the gray level information of every width subimage；
Time-sequence control mode, for the display stage showing a two field picture is divided into multiple field,
Each display one width subimage；Described field include drive sub stage and be in driving sub stage it
After luminous sub stage；The duration of described driving sub stage less than described luminous sub stage time
Long；
Driver module, for driving sub stage to believe according to the GTG of subimage to be shown
Cease to provide for each pixel region and drive signal, so that each pixel region produces corresponding transmitance；
Backlight drive module, sends for controlling described backlight module at luminous sub stage and treats
The light that display subimage color is identical；And close described backlight mould at described driving sub stage
Group.
Preferably, there is interval between adjacent two display stages；Described backlight drive module is also
Described backlight module is closed in the interval between adjacent two display stages.
Preferably, the interval duration between adjacent two display stages and described driving sub stage
Duration sum is more than the duration of described luminous sub stage.
Preferably, several subimages that every two field picture to be shown resolves into include: red son
Image, green sub-image and blue sub-image；The quantity of the field that each described display stage is divided into
It it is three.
Preferably, described display panels includes: array base palte and described array base palte
Box is arranged to box substrate, at described array base palte and described to the liquid crystal between box substrate
Layer；Described array base palte described backlight module and described to box substrate between；
Described array base palte is provided with polaroid with the described surface deviated from box substrate mutually；
Described array base palte includes substrate and arranges multiple pixel electrodes over the substrate,
Described pixel electrode and described pixel region one_to_one corresponding, described to box substrate or described array base palte
On be additionally provided with public electrode；The driving letter that described driver module provides for described pixel region
Number include: the pixel voltage signal that provides for described pixel electrode and providing for described public electrode
Public voltage signal；
The described part that box substrate corresponds to described pixel region is transparent.
Preferably, multiple described pixel regions are arranged as multiple lines and multiple rows；Described array base palte also wraps
Include a plurality of grid line, a plurality of data lines and multiple and described pixel region film crystal one to one
Pipe；
The drain electrode of described thin film transistor (TFT) is connected with the pixel electrode in respective pixel district；
Described grid line extends in the row direction；Corresponding to every grid line and adjacent rows pixel region
The grid of thin film transistor (TFT) is connected simultaneously, the thin film transistor (TFT) the most not phase that different grid lines are connected
With；
Described data wire extends along column direction；The most corresponding two data line of each column pixel region, no
Data wire corresponding to same column pixel region is different；Thin corresponding to any string pixel region
In film transistor, connect source electrode and this row pixel region of two thin film transistor (TFT)s of same grid line
Two corresponding data line one_to_one corresponding are connected.
Preferably, described backlight module includes light source and light guide plate；
Described backlight drive module electrically connects with described light source, to drive described light source in luminescence
Sub stage sends the light identical with subimage color to be shown；
The incidence surface of described light guide plate is arranged towards described light source, the exiting surface of described light guide plate
Arranging towards described display panels, the incidence surface of described light guide plate is towards described liquid crystal display
The projection of shape of panel is zigzag；
Between described light guide plate and described display panels and described light guide plate deviates from described
The side of display panels is provided with blooming piece.
Preferably, described light source includes lamp bar and the multi-group light-emitting part being arranged on described lamp bar,
Often group illuminating part all includes multiple illuminating part, and in same group, the glow color of illuminating part is identical, no
Glow color with the illuminating part of group is different；
On described lamp bar, all illuminating parts are arranged in order along predetermined direction, and glow color
Different illuminating parts is arranged in turn, and described predetermined direction is perpendicular to described light guide plate direction.
Correspondingly, the present invention also provides for the display packing of a kind of display device, and described display fills
Put and include:
Display panels, described display panels is divided into multiple pixel region；
Backlight module, is arranged on the incident side of described display panels, is used for as described liquid
LCD panel provides the mutually different multi-light of color；Described driving method includes:
Every two field picture to be shown is decomposed into color several subimages mutually different, and obtains
Take the gray level information of every width subimage；
The display stage showing a two field picture is divided into multiple field, each display one width subgraph
Picture；Described field includes driving sub stage and being in the luminous sub stage driven after sub stage；Institute
State the duration the driving sub stage duration less than described luminous sub stage；
At described driving sub stage, it is each pixel according to the gray level information of subimage to be shown
District provides and drives signal, so that each pixel region produces corresponding transmitance；And close described backlight
Module；
At described luminous sub stage, control described backlight module and send and subimage face to be shown
The light that color is identical.
Preferably, there is interval between adjacent two display stages；Described driving method also wraps
Include:
In interval between adjacent two display stages, close described backlight module.
Preferably, the interval duration between adjacent two display stages and described driving sub stage
Duration sum more than the duration of described luminous sub stage.
Preferably, described every two field picture to be shown is decomposed into color mutually different several
In the step of subimage, several subimages described include: red sub-images, green sub-image and
Blue sub-image；
Described the display stage showing a two field picture is divided in the step of multiple, described field
Quantity be three.
This two field picture, when showing a two field picture, is divided into different subimages by the present invention, and
Different fields in the display stage show respectively.When the display of multiple subimages is spaced sufficiently small,
Due to the visual persistence effect of people, different subimages mixes in human eye, so that seeing
The person of seeing sees original image to be shown.By this display mode, it is not necessary to by each picture
Element district is further divided into multiple sub-pixel, thus improves resolution；And need not make color
Stop block filters, thus reduces technique.Further, at the subgraph showing each width list primary colors
During picture, backlight module is to close driving sub stage, thus prevents different subimage
Mixed color phenomenon；Further, owing to the duration driving the duration relative luminous sub stage of sub stage is shorter,
Therefore, the interval duration between adjacent two width subimages is shorter, even if the eye of beholder occurs
Mobile, adjacent two width images also can fall the nearest position, thus it is pseudo-to reduce vision
Picture.Therefore, the display device that the present invention provides can improve display while improving resolution
Effect.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the one of description
Part, is used for explaining the present invention together with detailed description below, but is not intended that this
The restriction of invention.In the accompanying drawings:
Fig. 1 is the overall structure schematic diagram of the display device provided in the embodiment of the present invention；
Fig. 2 is the display device provided in embodiment of the present invention sequential when showing a two field picture
Figure；
Fig. 3 is the schematic diagram of the array base palte provided in the embodiment of the present invention；
Fig. 4 is the structural representation of the backlight module provided in the embodiment of the present invention；
Fig. 5 is the structural representation of the light source provided in the embodiment of the present invention；
Fig. 6 is the schematic equivalent circuit of the light source shown in Fig. 5；
Fig. 7 a is that illuminating part is towards the light path schematic diagram after traditional light guide plate luminescence；
Fig. 7 b is that illuminating part is towards the light path schematic diagram after the light guide plate luminescence of the present invention.
Wherein, reference is:
10, display panels；11, array base palte；110, substrate；111, pixel electricity
Pole；G1～Gm, grid line；D1～Dn, data wire；112, thin film transistor (TFT)；12, to box
Substrate；12a, black matrix；13, liquid crystal layer；14, polaroid；20, backlight module；21、
Backboard；211, diapire；212, sidewall；213, baffle plate；22, light source；221, lamp bar；
222, illuminating part；223, pad；231, light guide plate；231a, light guide plate mesh point；232、
Reflectance coating；233, diffusion barrier；234, brightness enhancement film；235, protecting film；24, brake sack；
25, tack coat.
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.Should manage
Solving, detailed description of the invention described herein is merely to illustrate and explains the present invention, not
For limiting the present invention.
As an aspect of of the present present invention, it is provided that a kind of display device.As it is shown in figure 1, it is described
Display device includes display panels 10, backlight module 20, data obtaining module, sequential
Control module, driver module and backlight drive module.Display panels 10 is divided
For multiple pixel regions, as Fig. 1 only symbolically represents three pixel regions.Backlight module
20 incident side being arranged on display panels 10, for providing for display panels 10
The mutually different multi-light of color.It should be appreciated that display panels 10 is thick along it
The both sides in degree direction are respectively incident side and light emission side, and light emission side is for watching the one of image
The top of display panels 10 in side, i.e. Fig. 1；Incident side is LCD in Fig. 1
The lower section of plate 10.Data obtaining module is mutual for every two field picture to be shown is decomposed into color
Several subimages differed, every width subimage is single primary colors, and obtains every width subimage
Gray level information.As in figure 2 it is shown, time-sequence control mode will be for showing the display rank of a two field picture
Section Frame is divided into multiple T, each display one width subimage, and described field T includes driving
Sub stage t1 and the luminous sub stage t2 being in after driving sub stage t1；Drive sub stage t1
The duration duration less than described luminous sub stage t2.Driver module is for driving son
Stage t1 provides driving signal according to the gray level information of subimage to be shown for each pixel region,
So that each pixel region produces corresponding transmitance.Backlight drive module is at luminous sub stage
T2 controls backlight module 20 and sends the light identical with subimage color to be shown；And driving
Sub stage t1 closes backlight module 20.
It is understood that the subgraph of several single primary colors that every two field picture to be shown resolves into
In Xiang, the size of each subimage is identical with the size of image to be shown, and several subimages close
Form described image to be shown after one-tenth, the GTG of each color subimage each point be described in treat
The component of the respective color of the image each point GTG of display.In the present invention, every frame figure to be shown
Several subimages as resolving into include red sub-images, green sub-image and blue sub-image；
Correspondingly, the quantity of the field that each display stage is divided into is three, backlight module 20 provide red,
Green, the light of blue three-color, certainly, a two field picture to be shown can also be decomposed into other
The subimage of color, each display stage midfield is other quantity, and backlight module 20 can also
The corresponding light that other colors are provided.
When showing a two field picture, this two field picture is divided into different subimages, and in display
The different fields in stage show respectively.When the driving sub stage in each field, each pixel region produces
Transmitance corresponding with subimage；Luminous sub stage later, backlight module 20 sends phase
Answering the light of color, display panels 10 is corresponding through demonstrating after the light of this kind of color
The subimage of color；When the display of multiple subimages is spaced sufficiently small, owing to the vision of people is temporary
Effect, different subimages is stayed to mix in human eye, so that beholder sees original
Image to be shown.By this display mode, it is not necessary to each pixel region is further divided into
Multiple sub-pixels, thus improve resolution；And need not make color blocking block filter,
Thus reduce technique.
It addition, the display device that the present invention provides is when showing the subimage of each width list primary colors,
Backlight module 20 is to close driving sub stage, thus prevents the mixed of different subimage
Color phenomenon；Further, owing to the duration driving the duration relative luminous sub stage of sub stage is shorter,
Therefore, the interval duration between adjacent two width subimages is shorter, even if the eye of beholder occurs
Mobile, adjacent two width images also can fall the nearest position, thus it is pseudo-to reduce vision
Picture.Therefore, the display device that the present invention provides can improve display while improving resolution
Effect.
As in figure 2 it is shown, the display stage in the present invention is: the driving sub stage of first is opened
Begin the time period between moment to the finish time of the luminous sub stage of dropscene.So that
Beholder sees continuous print picture, and generally, the display frequency of display device is display per minute
60 two field pictures, differ 16.67ms between the start time of the most adjacent two display cycles.In order to
Reduce the residual sense between the picture of different frame, further, between adjacent two display stages
There is interval (the t3 stage as in Fig. 2)；Described backlight drive module is additionally operable to adjacent two
Backlight module 20 is closed in interval between the individual display stage.
Wherein, interval duration and the described driving sub stage between adjacent two display stages time
Long sum is more than the duration of luminous sub stage, i.e. the duration in t3 stage and t1 stage in Fig. 2
Duration sum more than the duration in t2 stage.Fig. 2 also illustrates display panels 10
Display effect and the visual effect seen of beholder, for human eye, adjacent two two field pictures
Between interval, therefore, the duration in t3 stage and the duration sum in t1 stage are unsuitable excessive, with
Prevent the interval between adjacent two width images long, such as, the duration in t3 stage and t1 stage
Duration sum is 1.5～2.5 times of the duration in t2 stage.
Specifically, as it is shown in figure 1, display panels 10 includes: array base palte 11 and
Array base palte 11 box is arranged to box substrate 12, be positioned at array base palte 11 and to box substrate
Liquid crystal layer 13 between 12；Array base palte 11 is positioned at backlight module 20 and to box substrate 12
Between.Array base palte 11 is provided with polaroid 14 with the surface deviated from box substrate 12 mutually.
As it is shown on figure 3, array base palte 11 include substrate 110 and arrange on a substrate 110 multiple
Pixel electrode 111, pixel electrode 111 and described pixel region one_to_one corresponding.To box substrate 12
Or on array base palte 11, it being additionally provided with public electrode (not shown), driver module is institute
The driving signal that stating pixel region provides includes: the pixel voltage signal provided for pixel electrode 111
With the public voltage signal provided for public electrode.Pixel electrode 111 and public electrode are the most permissible
The transparent conductive materials such as tin indium oxide (ITO) are used to make.To box substrate 12 corresponding to institute
The part stating pixel region is transparent, i.e. on box substrate 12 without arranging color blocking block, thus
Simplify processing technology.
Array base palte 11 and be also respectively provided with oriented layer on box substrate 12 opposite face, with
Being orientated liquid crystal, when pixel region does not apply to drive signal, liquid crystal keeps initial orientation；
When applying to drive signal in pixel region, liquid crystal deflects, with adjustable liquid crystal display display floater
The brightness of 10.Specifically, with shown in Fig. 1 twisted nematic (Twisted Nematic,
TN) display panels) as a example by, the differently-oriented directivity of the oriented layer on array base palte 11 is with right
On box substrate 12, the differently-oriented directivity of oriented layer is mutually perpendicular to, the direction that thoroughly shakes of polaroid 14 (as
Oblique line directions on polaroid 14 in Fig. 1) identical with the differently-oriented directivity of corresponding oriented layer.
When the subimage of the single primary colors of display, the light of backlight module 20 is on array base palte 11
Rising of polaroid 14 is to the rear, forms the line that polarization direction is identical with the direction that thoroughly shakes of polaroid 14
Polarized light；In the absence of an electric field, line polarized light after liquid crystal layer 13, polarization side
To rotating, postrotational polarization direction and the side of shaking thoroughly to box substrate 12 upper polarizer 14
To parallel, thus injection display panels 10 completely；When providing picture to pixel electrode 111
Element voltage signal, when public electrode provides public voltage signal, pixel electrode 111 and public
Producing electric field between electrode, the liquid crystal of liquid crystal layer 13 deflects under electric field action, thus
The polarization direction injecting the line polarized light of liquid crystal layer 13 is deflected, and with to box substrate
The polarization direction of 12 upper polarizers 14 forms an angle, and then it is corresponding that viewing area is produced
Brightness, i.e. pixel gray level.Therefore, it is supplied to the driving signal of each pixel region by regulation, can
To regulate the GTG of each pixel region, thus obtain the subimage of single primary colors.Certainly, liquid crystal display
Panel 10 can also be other patterns, such as, coplanar switching mode (In Plane Switching,
IPS), fringe field switching type (Fringe Field Switching, FFS) etc., its display is former
Manage identical with the displaying principle of above-mentioned TN type display floater, be all the electricity by controlling pixel region
Field intensity controls pixel gray level, illustrates the most one by one at this.
Wherein, the public electrode corresponding to different pixels district can be identical, the electric field of pixel region
The regulation of intensity only need to be by regulating the size of pixel voltage signal.For the ease of to each
The pixel electrode 111 of pixel region provides corresponding pixel voltage signal, further, multiple pictures
Element district is arranged as multiple lines and multiple rows；As it is shown on figure 3, array base palte 10 also includes a plurality of grid line
G1～Gm, a plurality of data lines D1～Dn and multiple and described pixel region thin film one to one crystalline substance
Body pipe 112；The drain electrode of thin film transistor (TFT) 112 is connected with the pixel electrode 111 in respective pixel district.
Grid line extends in the row direction；Every grid line and the thin film transistor (TFT) corresponding to adjacent rows pixel region
The grid of 112 is connected simultaneously, and the thin film transistor (TFT) 112 that different grid lines are connected is different.
Data wire extends along column direction；The most corresponding two data line of each column pixel region, different lines pixel region
Corresponding data wire is different；At the thin film transistor (TFT) corresponding to any string pixel region
In 112, connect source electrode and this row pixel region of two thin film transistor (TFT)s 112 of same grid line
Two corresponding data line one_to_one corresponding are connected.
Described driver module specifically includes: gate driver circuit, source electrode drive circuit and
Public voltage generating circuit.Gate driver circuit is all connected with a plurality of grid line, for driving son
Stage provides scanning signal successively to a plurality of grid line, the scanning signal that grid line G1～Gm receives
As shown in Figure 2, so that thin film transistor (TFT) 112 corresponding for described grid line is opened, i.e. make thin
The source electrode of film transistor 112 and drain electrode conducting.Source electrode drive circuit is homogeneous with a plurality of data lines
Even, for providing described pixel voltage to believe at described driving sub stage respectively to a plurality of data lines
Number, so that this pixel voltage signal is inputted to corresponding picture by the thin film transistor (TFT) 112 opened
Element electrode 111.Public voltage generating circuit electrically connects with described public electrode, for described
Sub stage is driven to provide described public voltage signal, different driving sub stage to described public electrode
Public voltage signal can be identical, public voltage generating circuit and public electrode can be by setting
Putting public electrode wire on a substrate 110 to be connected, public electrode wire be arranged in parallel with grid line.With
The structure in every grid line correspondence one-row pixels district is compared, by every grid line and two row pictures in the present invention
The thin film transistor (TFT) 112 in element district is simultaneously connected with and is advantageous in that, by the scanning of fewer number just
The driving to all pixel regions can be completed, thus reduce driving time, i.e. reduce driving sub-rank
The duration t1 of section, and then reduce the generation of pseudomorphism；It addition, when the duration one driving sub stage
Regularly, often row grid line receive scanning signal time relatively extend so that distance grid
Drive circuit thin film transistor (TFT) farther out also is able to fully open, especially at the product that resolution is bigger
In product, this advantage becomes apparent from, and then expands the scope of application of described display device.
It should be noted that pixel electrode 111 and public electrode define liquid crystal capacitance, drive
The mover stage provides pixel voltage signal for pixel electrode 111, provides common electrical for public electrode
Pole signal, is equivalent to charge for described liquid crystal capacitance, in order to enable liquid crystal at luminous sub stage
Keep the deflection state identical with driving sub stage, in described pixel region, be also formed with storage electricity
Holding, storage electric capacity is in parallel with liquid crystal capacitance, farthest to keep the quantity of electric charge of pixel electrode,
Maintain the electric field of pixel region.Wherein, storage electric capacity two pole plates can but be not limited to pixel
Electrode and a part for public electrode wire.Also, it should be noted also set on box substrate 12
It is equipped with black matrix 12a (as shown in Figure 1), for data wire, grid line, public electrode wire
Block with thin film transistor (TFT) 112.
Introduce the structure of backlight module 20 below in conjunction with Fig. 1, Fig. 4 to Fig. 6, such as Fig. 1 and
Shown in Fig. 4, backlight module 20 includes backboard 21 and the light source 22 being arranged in backboard 21
With light guide plate 231.Backlight drive module electrically connects with light source 22, to drive light source 22 sending out
Light sub stage sends the light identical with subimage color to be shown.Light guide plate 231 includes
Bright finish and incidence surface, the exiting surface of light guide plate 231 is arranged towards display panels 10；Lead
The incidence surface of tabula rasa 231 is arranged towards light source 22.Guide-lighting expanded metals it is provided with in light guide plate 231
Point 231a, for being reflected towards described exiting surface by the light of light source 22, thus is formed uniformly
Area source.
As shown in Figures 4 to 6, light source 22 includes lamp bar 221 and is arranged on described lamp bar 221
On multi-group light-emitting part 222, often group illuminating part 222 all include multiple illuminating part 222, same
In group, the glow color of illuminating part 222 is identical, and the glow color of the illuminating part 222 of different groups is not
With, illuminating part 222 can be light emitting diode.So that often group illuminating part 222 is supplied to
The light of display panels 10 is more evenly distributed, as it is shown in figure 5, on lamp bar 221,
All of illuminating part 222 is arranged in order along predetermined direction, and the illuminating part that glow color is different
222 are arranged in turn, and described predetermined direction is perpendicular to the thickness direction of light guide plate 231.Lamp bar 221
On be additionally provided with pad 223, for being electrically connected with backlight drive module by illuminating part 222.Figure
6 is the equivalent circuit diagram of Fig. 5, as shown in Figure 6 in, multiple be connected on same branch road
Light part 222 is one group, and the illuminating part 222 of different groups is in parallel；It is provided with defeated on pad 223
Enter to hold VLED and outfan the most multiple with a plurality of branch road (as the FB_R in Fig. 6,
FB_G and FB_B), the positive pole of a plurality of branch road is connected with input VLED simultaneously, every
The negative pole of branch road is connected with corresponding outfan.Input VLED and multiple outfans all with
Backlight drive circuit electrically connects, and at each luminous sub stage, backlight drive circuit is according to be shown
The color of subimage at the outfan of input VLED Yu one group of illuminating part of respective color
Between provide voltage signal, so that producing electric current on corresponding branch road, so that accordingly
One group of illuminating part 222 is luminous.Electric current in the signal waveform of input VLED and each branch road
(IFB_R、IFB_GAnd IFB_B) as shown in Figure 2.
As shown in Figure 4, between light guide plate 231 and display panels 10 and light guide plate 231
The side deviating from display panels 10 is provided with blooming piece, such as reflectance coating 232, expands
Dissipate film 233 and brightness enhancement film 234.Reflectance coating 232 is arranged on light guide plate 231 and deviates from liquid crystal display
The side of panel 10, for not arriving the light of light guide plate mesh point 231a towards exiting surface
Reflection, to improve the utilization rate of light, improves the brightness of backlight module 20.Diffusion barrier 233
Being arranged on the exiting surface of light guide plate 231, diffusion barrier 233 is for penetrating light guide plate 231
Light uniformly spreads, to improve the uniformity of light distribution.Brightness enhancement film 234 is arranged on expansion
Dissipate on film 233, for the light of diffusion is concentrated, to improve light luminance in certain angle.
The rib for assembling light it is conventionally formed with, in order to protect brightness enhancement film 234 in brightness enhancement film 234
Rib, it is also possible to protecting film 235 is set in brightness enhancement film 234.
The light launched due to illuminating part 222 has certain angle of flare, therefore, works as phase
When the illuminating part 222 of adjacent two same color is distant, easily produce focus (hot spot)
Illuminating part 222 Deng the phenomenon that light is uneven, in order to prevent this phenomenon, on lamp bar 221
Width should design as far as possible less, with increase illuminating part 222 on lamp bar 221, quantity is set.
Meanwhile, the incidence surface of light guide plate 231 is zigzag towards the projection of shape of display panels
(as shown in Figure 7b).Compare with the light guide plate 7a that the incidence surface in Fig. 7 a is plane, will
After incidence surface is set to the zigzag fashion in Fig. 7 b, the light of illuminating part 222 injects light guide plate
Diffusion angle after 231 increases, thus improves the uniformity of light.It addition, in order to improve light
Other sides beyond the incidence surface of light guide plate 231 can be carried out degree of depth throwing by the utilization rate of line
Light, to strengthen light in the reflection within light guide plate 231, prevents light from light guide plate 231
Side injection, thus prevent occurring that periphery bright line etc. is bad when display.
The structure of backboard 21 as shown in Figure 4, including diapire 211, sidewall 212 and baffle plate
213, the bottom of sidewall 212 is connected with diapire 211, baffle plate 213 and the top of sidewall 212
It is connected.Diapire 211, sidewall 212 and baffle plate 213 limit receiving space, light source 22, lead
Tabula rasa 231 and each blooming piece are arranged in described receiving space.Light guide plate 231 and light source
Corresponding edge is beyond the blooming piece above light guide plate 231, and baffle plate 213 shelters from light source
22 and light guide plate 231 beyond part.Being provided above beyond part of light guide plate 231
Brake sack 24, brake sack 24 is reflective surface towards the surface of light guide plate 231, for by leaded light
The light beyond part injection of plate 231 is reflected back light guide plate 231, improves light utilization；
Brake sack 24 deviates from and is provided with light-absorption layer on the surface of light guide plate 231, to prevent external environment
Light affects the light color of light source 22.The surface towards display panels of baffle plate 213 sets
It is equipped with the tack coats such as adhesive tape 25.
As another aspect of the present invention, it is provided that the display packing of a kind of display device, described
Display device includes display panels provided above and backlight module.Described display packing bag
Include:
Every two field picture to be shown is decomposed into color several subimages mutually different, and obtains
Take the gray level information of every width subimage.
The display stage showing a two field picture is divided into multiple field, each display one width subgraph
Picture；Described field includes driving sub stage and being in the luminous sub stage driven after sub stage；Institute
State the duration the driving sub stage duration less than described luminous sub stage.
At described driving sub stage, it is each pixel according to the gray level information of subimage to be shown
District provides and drives signal, so that each pixel region produces corresponding transmitance；And close described backlight
Module.
At described luminous sub stage, control described backlight module and send and subimage face to be shown
The light that color is identical, demonstrates the subimage of respective color after display panels transmitted light.
After the driving of multiple driving sub stages and the luminescence of luminous sub stage, display panels depends on
The secondary subimage demonstrating multiple different colours, when the switching frequency of these subimages is very fast,
Complete image to be shown is synthesized in human eye.
When showing each width subimage, backlight module is driving sub stage to close, thus anti-
The mixed color phenomenon of different subimage only occurs；Further, owing to driving the duration of sub stage relatively to send out
The duration of light sub stage is shorter, and therefore, the interval duration between adjacent two width subimages is shorter,
Even if the eye of beholder is moved, adjacent two width images also can fall the nearest
Position, thus reduce visual artefacts.
Specifically, every two field picture to be shown is decomposed into color several subgraphs mutually different
In the step of picture, several subimages described include: red sub-images, green sub-image and blueness
Subimage.The display stage showing a two field picture is divided in the step of multiple, described field
Quantity is three.
Wherein, there is interval between adjacent two display stages；Described driving method also includes:
In interval between adjacent two display stages, close described backlight module.Specifically, phase
Interval duration between adjacent two display stages is more than with the duration sum of described driving sub stage
The duration of described luminous sub stage.
It is understood that the principle that is intended to be merely illustrative of the present of embodiment of above and
The illustrative embodiments used, but the invention is not limited in this.For in this area
For those of ordinary skill, without departing from the spirit and substance in the present invention, can do
Going out various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (12)
1. a display device, including:
Display panels, described display panels is divided into multiple pixel region；
Backlight module, is arranged on the incident side of described display panels, is used for as described liquid
LCD panel provides the mutually different multi-light of color；It is characterized in that, described display dress
Put and also include:
Data obtaining module, different for every two field picture to be shown is decomposed into color
Several subimages, and obtain the gray level information of every width subimage；
Time-sequence control mode, for the display stage showing a two field picture is divided into multiple field,
Each display one width subimage；Described field include drive sub stage and be in driving sub stage it
After luminous sub stage；The duration of described driving sub stage less than described luminous sub stage time
Long；
Driver module, for driving sub stage to believe according to the GTG of subimage to be shown
Cease to provide for each pixel region and drive signal, so that each pixel region produces corresponding transmitance；
Backlight drive module, sends for controlling described backlight module at luminous sub stage and treats
The light that display subimage color is identical；And close described backlight mould at described driving sub stage
Group.
Display device the most according to claim 1, it is characterised in that adjacent two show
Show and between the stage, there is interval；Described backlight drive module was additionally operable in adjacent two display stages
Between interval in close described backlight module.
Display device the most according to claim 2, it is characterised in that adjacent two show
Show that the interval duration between the stage is luminous sub more than described with the duration sum of described driving sub stage
The duration in stage.
Display device the most as claimed in any of claims 1 to 3, its feature exists
In, several subimages that every two field picture to be shown resolves into include: red sub-images, green
Subimage and blue sub-image；The quantity of the field that each described display stage is divided into is three.
Display device the most as claimed in any of claims 1 to 3, its feature exists
In, described display panels includes: box is arranged by array base palte and described array base palte
To box substrate, at described array base palte and described to the liquid crystal layer between box substrate；Described battle array
Row substrate described backlight module and described to box substrate between；
Described array base palte is provided with polaroid with the described surface deviated from box substrate mutually；
Described array base palte includes substrate and arranges multiple pixel electrodes over the substrate,
Described pixel electrode and described pixel region one_to_one corresponding, described to box substrate or described array base palte
On be additionally provided with public electrode；The driving letter that described driver module provides for described pixel region
Number include: the pixel voltage signal that provides for described pixel electrode and providing for described public electrode
Public voltage signal；
The described part that box substrate corresponds to described pixel region is transparent.
Display device the most according to claim 5, it is characterised in that multiple described pictures
Element district is arranged as multiple lines and multiple rows；Described array base palte also include a plurality of grid line, a plurality of data lines and
Multiple with described pixel region thin film transistor (TFT) one to one；
The drain electrode of described thin film transistor (TFT) is connected with the pixel electrode in respective pixel district；
Described grid line extends in the row direction；Corresponding to every grid line and adjacent rows pixel region
The grid of thin film transistor (TFT) is connected simultaneously, the thin film transistor (TFT) the most not phase that different grid lines are connected
With；
Described data wire extends along column direction；The most corresponding two data line of each column pixel region, no
Data wire corresponding to same column pixel region is different；Thin corresponding to any string pixel region
In film transistor, connect source electrode and this row pixel region of two thin film transistor (TFT)s of same grid line
Two corresponding data line one_to_one corresponding are connected.
Display device the most as claimed in any of claims 1 to 3, its feature exists
In, described backlight module includes light source and light guide plate；
Described backlight drive module electrically connects with described light source, to drive described light source in luminescence
Sub stage sends the light identical with subimage color to be shown；
The incidence surface of described light guide plate is arranged towards described light source, the exiting surface of described light guide plate
Arranging towards described display panels, the incidence surface of described light guide plate is towards described liquid crystal display
The projection of shape of panel is zigzag；
Between described light guide plate and described display panels and described light guide plate deviates from described
The side of display panels is provided with blooming piece.
Display device the most according to claim 7, it is characterised in that described light source bag
Including lamp bar and the multi-group light-emitting part being arranged on described lamp bar, often group illuminating part all includes multiple
Light part, in same group, the glow color of illuminating part is identical, the glow color of the illuminating part of different groups
Different；
On described lamp bar, all illuminating parts are arranged in order along predetermined direction, and glow color
Different illuminating parts is arranged in turn, and described predetermined direction is perpendicular to described light guide plate direction.
9. a display packing for display device, described display device includes:
Display panels, described display panels is divided into multiple pixel region；
Backlight module, is arranged on the incident side of described display panels, is used for as described liquid
LCD panel provides the mutually different multi-light of color；It is characterized in that, described driving side
Method includes:
Every two field picture to be shown is decomposed into color several subimages mutually different, and obtains
Take the gray level information of every width subimage；
The display stage showing a two field picture is divided into multiple field, each display one width subgraph
Picture；Described field includes driving sub stage and being in the luminous sub stage driven after sub stage；Institute
State the duration the driving sub stage duration less than described luminous sub stage；
At described driving sub stage, it is each pixel according to the gray level information of subimage to be shown
District provides and drives signal, so that each pixel region produces corresponding transmitance；And close described backlight
Module；
At described luminous sub stage, control described backlight module and send and subimage face to be shown
The light that color is identical.
Display packing the most according to claim 9, it is characterised in that adjacent two
Interval is there is between the display stage；Described driving method also includes:
In interval between adjacent two display stages, close described backlight module.
11. display packings according to claim 10, it is characterised in that adjacent two
Interval duration between the display stage is more than described with the duration sum of described driving sub stage
The duration of light sub stage.
12. according to the display packing described in any one in claim 9 to 11, its feature
It is, described every two field picture to be shown is decomposed into color several subimages mutually different
In step, several subimages described include: red sub-images, green sub-image and blue subgraph
Picture；
Described the display stage showing a two field picture is divided in the step of multiple, described field
Quantity be three.
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| CN106847222A (en) * | 2017-03-27 | 2017-06-13 | 彭祖英 | Based on the improved communication liquid crystal apparatus high-order color display method of software approach |
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| CN109192150A (en) * | 2018-11-01 | 2019-01-11 | 京东方科技集团股份有限公司 | Backlight module driving method and driving structure, display device |
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| CN114399976A (en) * | 2022-02-15 | 2022-04-26 | Tcl华星光电技术有限公司 | Liquid crystal display device and backlight driving method thereof |
| CN114783385A (en) * | 2022-04-19 | 2022-07-22 | 惠科股份有限公司 | Backlight module and display device |
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