CN106023909B - Display device and its display methods - Google Patents
Display device and its display methods Download PDFInfo
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- CN106023909B CN106023909B CN201610664144.6A CN201610664144A CN106023909B CN 106023909 B CN106023909 B CN 106023909B CN 201610664144 A CN201610664144 A CN 201610664144A CN 106023909 B CN106023909 B CN 106023909B
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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
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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
- G02F1/133621—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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Nonlinear Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Liquid Crystal Display Device Control (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Liquid Crystal (AREA)
Abstract
A kind of display device of present invention offer and its driving method, the display device include：Liquid crystal display panel；Backlight module；Data obtaining module for being several mutually different subgraphs of color by every frame picture breakdown to be shown, and obtains the gray level information of every width subgraph；Time-sequence control module, for will show that the display stage of a frame image is divided into multiple fields, each field shows a width subgraph；The field includes driving sub-stage and luminous sub-stage；The duration of the driving sub-stage is less than the duration of the luminous sub-stage；Driver module, for providing drive signal according to the gray level information of subgraph to be shown for each pixel region in driving sub-stage；Backlight drive module sends out light identical with subgraph color to be shown for controlling the backlight module in luminous sub-stage；And close the backlight module in the driving sub-stage.The present invention can improve display effect while improving resolution ratio.
Description
Technical field
The present invention relates to display technology fields, and in particular to a kind of display device and its display methods.
Background technology
Liquid crystal display device includes liquid crystal display panel and backlight, and liquid crystal display panel includes array substrate, to box base
Plate and liquid crystal layer positioned there between.Traditional liquid crystal display device shown using spacing color mixed method, specifically, liquid crystal
Each pixel region of display panel is divided into multiple sub-pixels, and the part to corresponding to each sub-pixel on box substrate is respectively provided with
There is the color blocking block of red, green, blue；The light of backlight forms certain brightness and color, each pixel after liquid crystal and color blocking block
The light of three kinds of colors of unit outgoing is mixed to form required color, and then shows coloured image.
In order to improve raising resolution ratio and save color blocking block, technical staff has studied a kind of field sequence based on time mixing color
Formula liquid crystal display device, principle are that the light of red, green, blue is sent out using backlight, to show the achromatic map of red, green, blue
Picture；Due to the visual persistence effect of human eye, the primary colour image of red, green, blue will synthesize a secondary complete coloured image.But it is existing
In some field-sequential liquid crystal displays, color confusion is susceptible between two neighboring primary colour image, also, due to different
Primary colour image reaches the retina of viewer in different moments, and therefore, when viewer's eye rotation, different primary colour images can be fallen
In the different location of human eye, to generate visual artefacts.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art, it is proposed that a kind of display device and its
Display methods, to improve the display effect of display device while improving display resolution.
One of in order to solve the above-mentioned technical problem, the present invention provides a kind of display device, including：
Liquid crystal display panel, the liquid crystal display panel are divided into multiple pixel regions；
The incident side in the liquid crystal display panel is arranged in backlight module, for providing face for the liquid crystal display panel
The mutually different multi-light of color；The display device further includes：
Data obtaining module, for being several mutually different subgraphs of color by every frame picture breakdown to be shown, and
Obtain the gray level information of every width subgraph；
Time-sequence control module, for will show that the display stage of a frame image is divided into multiple fields, each field shows width
Image；The field includes driving sub-stage and the luminous sub-stage after driving sub-stage；It is described driving sub-stage when
The long duration less than the luminous sub-stage；
Driver module, for being carried for each pixel region according to the gray level information of subgraph to be shown in driving sub-stage
For drive signal, so that each pixel region generates corresponding transmitance；
Backlight drive module is sent out and subgraph color phase to be shown for controlling the backlight module in luminous sub-stage
Same light；And close the backlight module in the driving sub-stage.
Preferably, there is interval between the two neighboring display stage；The backlight drive module is additionally operable to two neighboring
The backlight module is closed in interval between the display stage.
Preferably, the interval duration between the two neighboring display stage and the sum of the duration of the driving sub-stage are more than institute
State the duration of luminous sub-stage.
Preferably, every frame picture breakdown to be shown at several subgraphs include：Red sub-images, green sub-image and
Blue sub-image；The quantity for the field that each display stage is divided into is three.
Preferably, the liquid crystal display panel includes：Array substrate, with the array substrate to box be arranged to box base
Plate, positioned at the array substrate and the liquid crystal layer between box substrate；The array substrate be located at the backlight module with
It is described between box substrate；
The array substrate and described polarizing film is both provided with to the surface that box substrate is away from each other；
The array substrate includes the multiple pixel electrodes of substrate and setting over the substrate, the pixel electrode and institute
Pixel region one-to-one correspondence is stated, it is described to being additionally provided with public electrode on box substrate or the array substrate；The display drives mould
Block is that the drive signal that the pixel region provides includes：The pixel voltage signal that is there is provided for the pixel electrode and be described public
The public voltage signal that electrode provides；
The part for corresponding to the pixel region to box substrate is transparent.
Preferably, multiple pixel regions are arranged as multiple lines and multiple rows；The array substrate further includes a plurality of grid line, a plurality of number
According to line and the multiple and one-to-one thin film transistor (TFT) of the pixel region；
The drain electrode of the thin film transistor (TFT) is connected with the pixel electrode in respective pixel area；
The grid line extends along line direction；The grid of every grid line and the thin film transistor (TFT) corresponding to adjacent rows pixel region
It is connected simultaneously, the thin film transistor (TFT) that different grid lines are connected is different；
The data line extends along column direction；Corresponding two data lines of each column pixel region, corresponding to different lines pixel region
Data line it is different；In thin film transistor (TFT) corresponding to any one row pixel region, the two thin of same grid line is connected
The source electrode of film transistor is connected with the two data lines one-to-one correspondence corresponding to the row pixel region.
Preferably, the backlight module includes light source and light guide plate；
The backlight drive module is electrically connected with the light source, to drive the light source to send out and wait to show in luminous sub-stage
The identical light of subgraph color shown；
The incidence surface of the light guide plate is arranged towards the light source, and the light-emitting surface of the light guide plate is towards the liquid crystal display
Panel is arranged, and the projection of shape of incidence surface towards the liquid crystal display panel of the light guide plate is zigzag；
Between the light guide plate and the liquid crystal display panel and the light guide plate is away from the liquid crystal display panel
Side is both provided with optical diaphragm.
Preferably, the light source includes lamp bar and the multi-group light-emitting part that is arranged in the lamp bar, and every group of illuminating part wraps
Include multiple illuminating parts, the luminescent color of illuminating part is identical in same group, and the luminescent color of the illuminating parts of difference group is different；
In the lamp bar, all illuminating parts are arranged in order along predetermined direction, and the different illuminating part of luminescent color is in turn
Setting, the predetermined direction is perpendicular to the light guide plate direction.
Correspondingly, the present invention also provides a kind of display methods of display device, the display device includes：
Liquid crystal display panel, the liquid crystal display panel are divided into multiple pixel regions；
The incident side in the liquid crystal display panel is arranged in backlight module, for providing face for the liquid crystal display panel
The mutually different multi-light of color；The display methods includes：
It is several mutually different subgraphs of color by every frame picture breakdown to be shown, and obtains the ash of every width subgraph
Rank information；
It will show that the display stage of a frame image is divided into multiple fields, each field shows a width subgraph；The field includes driving
Mover stage and the luminous sub-stage after driving sub-stage；The duration of the driving sub-stage is less than the sub- rank that shines
The duration of section；
In the driving sub-stage, drive signal is provided for each pixel region according to the gray level information of subgraph to be shown,
So that each pixel region generates corresponding transmitance；And close the backlight module；
In the luminous sub-stage, controls the backlight module and send out light identical with subgraph color to be shown.
Preferably, there is interval between the two neighboring display stage；The display methods further includes：
In interval between the two neighboring display stage, the backlight module is closed.
Preferably, the interval duration between the two neighboring display stage and the sum of the duration of the driving sub-stage are more than institute
State the duration of luminous sub-stage.
Preferably, in the step of described several subgraphs that every frame picture breakdown to be shown is mutually different for color,
Several described subgraphs include：Red sub-images, green sub-image and blue sub-image；
Described to show in the step of display stage of a frame image is divided into multiple, the quantity of the field is three.
The present invention is divided into different subgraphs when showing a frame image, by the frame image, and in the difference in display stage
Field is shown respectively.When the display interval of multiple subgraphs is sufficiently small, due to the visual persistence effect of people, different subgraphs exists
It is mixed in human eye, to make viewer see original image to be shown.By this display mode, not needing will be every
A pixel region is further divided into multiple sub-pixels, to improve resolution ratio；And color blocking block need not be made to filter, from
And reduce technique.Also, when showing the subgraph of each width list primary colors, backlight module is to close in driving sub-stage,
To prevent the mixed color phenomenon of different subgraphs；Also, due to driving sub-stage duration relative luminous sub-stage when
Length is shorter, and therefore, the interval duration between adjacent two width subgraph is shorter, even if the eye of viewer moves, adjacent two
Width image can also fall position closer on the retina, to reduce visual artefacts.Therefore, display device energy provided by the invention
It is enough to improve display effect while improving resolution ratio.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, an and part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the overall structure diagram of the display device provided in the embodiment of the present invention；
Fig. 2 is the sequence diagram when display device provided in the embodiment of the present invention shows a frame image；
Fig. 3 is the schematic diagram of the array substrate provided in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the backlight module provided in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the light source provided in the embodiment of the present invention；
Fig. 6 is the schematic equivalent circuit of light source shown in fig. 5；
Fig. 7 a are the light path schematic diagrams after illuminating part shines towards traditional light guide plate；
Fig. 7 b are the light path schematic diagrams after the light guide plate of illuminating part towards the present invention shine.
Wherein, reference numeral is：
10, liquid crystal display panel；11, array substrate；110, substrate；111, pixel electrode；G1~Gm, grid line；D1~Dn,
Data line；112, thin film transistor (TFT)；12, to box substrate；12a, black matrix；13, liquid crystal layer；14, polarizing film；20, backlight module；
21, backboard；211, bottom wall；212, side wall；213, baffle；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, protective film；24, anti-dazzling screen；
25, adhesive layer.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific implementation mode stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
As an aspect of of the present present invention, a kind of display device is provided.As shown in Figure 1, the display device includes liquid crystal
Show panel 10, backlight module 20, data obtaining module, time-sequence control module, driver module and backlight drive module.Liquid crystal
Display panel 10 is divided into multiple pixel regions, as only symbolically represented three pixel regions in Fig. 1.Backlight module 20 is arranged
In the incident side of liquid crystal display panel 10, for providing color mutually different multi-light for liquid crystal display panel 10.It should
Understand, liquid crystal display panel 10 is respectively incident side and light emission side along the both sides of its thickness direction, and light emission side is for seeing
See the side of image, i.e. the top of liquid crystal display panel 10 in Fig. 1；Incident side is the lower section of liquid crystal display panel 10 in Fig. 1.Letter
It ceases acquisition module to be used to every frame picture breakdown to be shown be several mutually different subgraphs of color, every width subgraph is single
Primary colors, and obtain the gray level information of every width subgraph.As shown in Fig. 2, time-sequence control module will be for that will show a frame image
Display stage Frame point is multiple T, and each field shows that a width subgraph, the field T include driving sub-stage t1 and being in drive
Luminous sub-stage t2 after mover stage t1；The duration of sub-stage t1 is driven to be less than the duration of the luminous sub-stage t2.It is aobvious
Show drive module for providing driving letter according to the gray level information of subgraph to be shown for each pixel region in driving sub-stage t1
Number, so that each pixel region generates corresponding transmitance.Backlight drive module is used to control backlight module 20 in luminous sub-stage t2
Send out light identical with subgraph color to be shown；And close backlight module 20 in driving sub-stage t1.
It is understood that every frame picture breakdown to be shown at several single primary colors subgraph in, each subgraph
Size it is identical as the size of image to be shown, several subgraphs synthesis after form the image to be shown, each color
The grayscale of subgraph each point is the component of the corresponding color of the image each point grayscale to be shown.It is to be shown in the present invention
Every frame picture breakdown at several subgraphs include red sub-images, green sub-image and blue sub-image；Correspondingly, each
The quantity for the field that the display stage is divided into is three, and backlight module 20 provides the light of three kinds of colors of red, green, blue, certainly, to be shown
A frame image can also be decomposed into the subgraphs of other colors, it is each to show that stage midfield is other quantity, backlight module 20
The light of other colors can also be accordingly provided.
When showing a frame image, which is divided into different subgraphs, and distinguish in the different fields in display stage
Display.When the driving sub-stage in each field, each pixel region generates transmitance corresponding with subgraph；In luminous son later
Stage, backlight module 20 send out the light of corresponding color, phase are shown after the light of this kind of color of transmission of liquid crystal display panel 10
Answer the subgraph of color；When the display interval of multiple subgraphs is sufficiently small, due to the visual persistence effect of people, different subgraphs
As being mixed in human eye, to make viewer see original image to be shown.By this display mode, do not need
Each pixel region is further divided into multiple sub-pixels, to improve resolution ratio；And color blocking block need not be made to be filtered
Light, to reduce technique.
In addition, display device provided by the invention is when showing the subgraph of each width list primary colors, backlight module 20 is driving
The mover stage is to close, to prevent the mixed color phenomenon of different subgraphs；Also, due to the when appearance for driving sub-stage
Shorter to the duration for the sub-stage that shines, therefore, the interval duration between adjacent two width subgraph is shorter, even if the eye of viewer
It moves, adjacent two images can also fall position closer on the retina, to reduce visual artefacts.Therefore, of the invention
The display device of offer can improve display effect while improving resolution ratio.
As shown in Fig. 2, the display stage in the present invention is：First driving sub-stage start time is to last one
Period between the finish time for the sub-stage that shines.In order to enable viewer sees continuous picture, in general, display device
Display frequency is 60 frame images of display per minute, i.e., differs 16.67ms between being carved at the beginning of the two neighboring display cycle.In order to
The residual sense between the picture of different frame is reduced, further, between the two neighboring display stage there is interval (in such as Fig. 2
The t3 stages)；The backlight drive module is additionally operable to close backlight module 20 in the interval between the two neighboring display stage.
Wherein, the interval duration between the two neighboring display stage and the sum of the duration of the driving sub-stage, which are more than, shines
The duration of sub-stage, that is, the sum of the duration in t3 stages and the duration in t1 stages are more than the duration in t2 stages in Fig. 2.Also show in Fig. 2
Anticipated out liquid crystal display panel 10 display effect and visual effect that viewer sees, for human eye, adjacent two frames figure
Interval as between, therefore, the sum of the duration in t3 stages and the duration in t1 stages should not be too large, with prevent adjacent two images it
Between interval it is long, for example, 1.5~2.5 times of duration for the t2 stages of the sum of the duration in the duration in t3 stages and t1 stages.
Specifically, as shown in Figure 1, liquid crystal display panel 10 includes：What box was arranged in array substrate 11 and array substrate 11
Liquid crystal layer 13 to box substrate 12, positioned at array substrate 11 and between box substrate 12；Array substrate 11 is located at backlight module 20
With between box substrate 12.Array substrate 11 and the surface being away from each other to box substrate 12 are both provided with polarizing film 14.Such as Fig. 3 institutes
Show, array substrate 11 includes substrate 110 and multiple pixel electrodes 111 for being arranged on substrate 110, pixel electrode 111 with it is described
Pixel region corresponds.To being additionally provided with public electrode (not shown), driver module on box substrate 12 or array substrate 11
The drive signal provided for the pixel region includes：The pixel voltage signal that is there is provided for pixel electrode 111 and be that public electrode carries
The public voltage signal of confession.The transparent conductive materials systems such as tin indium oxide (ITO) may be used in pixel electrode 111 and public electrode
Make.The part for corresponding to the pixel region to box substrate 12 is transparent, that is, to being not necessarily to that color blocking block is arranged on box substrate 12, to
Simplify manufacture craft.
Array substrate 11 and to being also respectively provided with oriented layer on 12 opposite face of box substrate, to be orientated to liquid crystal, when
When pixel region does not apply drive signal, liquid crystal keeps initial orientation；When applying drive signal in pixel region, liquid crystal occurs inclined
Turn, to adjust the brightness of liquid crystal display panel 10.Specifically, with twisted nematic shown in Fig. 1 (Twisted Nematic,
TN) liquid crystal display panel) for, the differently- oriented directivity of the oriented layer in array substrate 11 and the orientation to 12 upper oriented layer of box substrate
Direction is mutually perpendicular to, polarizing film 14 thoroughly shake direction (such as the oblique line directions in Fig. 1 on polarizing film 14) with corresponding oriented layer
Differently- oriented directivity is identical.In the subgraph of the single primary colors of display, the light of backlight module 20 is by the polarizing film in array substrate 11
14 rise is to the rear, forms polarization direction linearly polarized light identical with the direction that shakes thoroughly of polarizing film 14；In the absence of an electric field,
After liquid crystal layer 13, polarization direction rotates linearly polarized light, postrotational polarization direction with to 12 upper polarizer of box substrate
14 direction that shakes thoroughly is parallel, to project liquid crystal display panel 10 completely；When to pixel electrode 111 provide pixel voltage signal,
When providing public voltage signal to public electrode, electric field, the liquid crystal of liquid crystal layer 13 are generated between pixel electrode 111 and public electrode
Deflect under electric field action so that the polarization direction of linearly polarized light for injecting liquid crystal layer 13 deflects, and with it is right
The polarization direction of 12 upper polarizer 14 of box substrate forms an angle, so that viewing area generates corresponding brightness, i.e. pixel ash
Rank.Therefore, it is supplied to the drive signal of each pixel region by adjusting, the grayscale of each pixel region can be adjusted, to obtain single original
The subgraph of color.Certainly, liquid crystal display panel 10 or other patterns, for example, coplanar switching mode (In Plane
Switching, IPS), fringe field switching type (Fringe Field Switching, FFS) etc., displaying principle and above-mentioned TN
The displaying principle of type display panel is identical, is to control pixel gray level by controlling the electric field strength of pixel region, herein no longer
Illustrated one by one.
Wherein, the public electrode corresponding to different pixels area can be identical, and the adjusting of the electric field strength of pixel region need to only lead to
Overregulate the size of pixel voltage signal.For the ease of providing corresponding pixel to the pixel electrode 111 of each pixel region
Voltage signal, further, multiple pixel regions are arranged as multiple lines and multiple rows；As shown in figure 3, array substrate 10 further includes a plurality of grid line
G1~Gm, multiple data lines D1~Dn and multiple one-to-one thin film transistor (TFT)s 112 with the pixel region；Thin film transistor (TFT)
112 drain electrode is connected with the pixel electrode 111 in respective pixel area.Grid line extends along line direction；Every grid line and adjacent rows picture
The grid of thin film transistor (TFT) 112 corresponding to plain area is connected simultaneously, the mutual not phase of the thin film transistor (TFT) 112 that different grid lines are connected
Together.Data line extends along column direction；Each column pixel region corresponds to two data lines, and the data line corresponding to different lines pixel region is mutual
It differs；In thin film transistor (TFT) 112 corresponding to any one row pixel region, two thin film transistor (TFT)s of same grid line are connected
112 source electrode is connected with the two data lines one-to-one correspondence corresponding to the row pixel region.
The driver module specifically includes：Gate driving circuit, source electrode drive circuit and public voltage generating circuit.
Gate driving circuit is connected with a plurality of grid line, for successively providing scanning signal, grid line to a plurality of grid line in driving sub-stage
The scanning signal that G1~Gm is received is as shown in Figure 2, the corresponding thin film transistor (TFT) of the grid line 112 is opened, that is, make thin
The source electrode and drain electrode of film transistor 112 is connected.Source electrode drive circuit is connected with multiple data lines, in the sub- rank of driving
Section provides the pixel voltage signal to multiple data lines respectively, so that the thin film transistor (TFT) that the pixel voltage signal passes through unlatching
112 are input to corresponding pixel electrode 111.Public voltage generating circuit is electrically connected with the public electrode, in the drive
The mover stage provides the public voltage signal to the public electrode, and the public voltage signal of different driving sub-stage can phase
Together, public voltage generating circuit can be connected with public electrode by the way that the public electrode wire on substrate 110 is arranged, public electrode
Line is arranged in parallel with grid line.Compared with every grid line corresponds to the structure in one-row pixels area, by every grid line and two rows in the present invention
The thin film transistor (TFT) 112 of pixel region connects simultaneously to be advantageous in that, can be completed to all pictures by the scanning of fewer number
The driving in plain area reduces the duration t1 of driving sub-stage, and then reduce the generation of pseudomorphism to reduce driving time；In addition,
When the timing of duration one of driving sub-stage, often row grid line receive scanning signal time it is opposite extend so that apart from grid
The thin film transistor (TFT) of pole driving circuit farther out also can be opened fully, and especially in the larger product of resolution ratio, this advantage is more
Add the scope of application that is apparent, and then expanding the display device.
It should be noted that pixel electrode 111 and public electrode form liquid crystal capacitance, driving sub-stage is pixel electrode
111 offer pixel voltage signals provide common electrode signal for public electrode, are equivalent to and charge for the liquid crystal capacitance, in order to
So that liquid crystal is kept and drive the identical deflection state of sub-stage in luminous sub-stage, storage is also formed in the pixel region
Capacitance, storage capacitance is in parallel with liquid crystal capacitance, farthest to keep the quantity of electric charge of pixel electrode, maintains the electricity of pixel region
.Wherein, two pole plates of storage capacitance can with but be not limited to the part of pixel electrode and public electrode wire.It also needs to
It is bright, to being additionally provided with black matrix 12a (as shown in Figure 1) on box substrate 12, for data line, grid line, public electrode wire
It is blocked with thin film transistor (TFT) 112.
The structure of backlight module 20 is introduced with reference to Fig. 1, fig. 4 to fig. 6, as shown in Figure 1 and Figure 4, backlight module 20 wraps
Include backboard 21 and the light source being arranged in backboard 21 22 and light guide plate 231.Backlight drive module is electrically connected with light source 22, to drive
Dynamic light source 22 sends out light identical with subgraph color to be shown in luminous sub-stage.Light guide plate 231 include light-emitting surface and
The light-emitting surface of incidence surface, light guide plate 231 is arranged towards liquid crystal display panel 10；The incidence surface of light guide plate 231 is set towards light source 22
It sets.Light guide plate mesh point 231a is provided in light guide plate 231, for the light of light source 22 to be reflected towards the light-emitting surface, to
Form uniform area source.
As shown in Figures 4 to 6, light source 22 includes lamp bar 221 and the multi-group light-emitting part 222 being arranged in the lamp bar 221,
Every group of illuminating part 222 includes multiple illuminating parts 222, and the luminescent color of illuminating part 222 is identical in same group, and difference group shines
The luminescent color of part 222 is different, and illuminating part 222 can be light emitting diode.In order to enable every group of illuminating part 222 is supplied to liquid crystal
The light of display panel 10 is more evenly distributed, as shown in figure 5, in lamp bar 221, all illuminating parts 222 along predetermined direction according to
Secondary arrangement, and the different illuminating part 222 of luminescent color is arranged in turn, the predetermined direction is perpendicular to the thickness side of light guide plate 231
To.Pad 223 is additionally provided in lamp bar 221, for illuminating part 222 to be electrically connected with backlight drive module.Fig. 6 be Fig. 5 etc.
Circuit diagram is imitated, in as shown in Figure 6, the multiple illuminating parts 222 for being connected on same branch road are one group, the illuminating parts 222 of difference group
It is in parallel；Be provided on pad 223 input terminal VLED and with a plurality of branch multiple output end (FB_ in such as Fig. 6 correspondingly
R, FB_G and FB_B), the anode of a plurality of branch is connected with input terminal VLED simultaneously, the cathode of every branch and corresponding output end
It is connected.Input terminal VLED is electrically connected with backlight drive circuit with multiple output ends, in each luminous sub-stage, backlight drive electricity
Road is provided according to the color of subgraph to be shown between input terminal VLED and the output end of one group of illuminating part of corresponding color
Voltage signal, so that corresponding branch road generates electric current, so that corresponding one group of illuminating part 222 shines.Input terminal
The signal waveform of VLED and the electric current (I of the roads Ge ZhiFB_R、IFB_GAnd IFB_B) as shown in Figure 2.
As shown in figure 4, between light guide plate 231 and liquid crystal display panel 10 and light guide plate 231 deviate from liquid crystal display panel
10 side is both provided with optical diaphragm, such as reflectance coating 232, diffusion barrier 233 and brightness enhancement film 234.Reflectance coating 232 is arranged in leaded light
Plate 231 deviates from the side of liquid crystal display panel 10, and being used for will be anti-towards light-emitting surface without reaching the light of light guide plate mesh point 231a
It penetrates, to improve the utilization rate of light, improves the brightness of backlight module 20.The light-emitting surface in light guide plate 231 is arranged in diffusion barrier 233
On, diffusion barrier 233 is for uniformly being spread the light that light guide plate 231 projects, to improve the uniformity of light distribution.Blast
Film 234 is arranged on diffusion barrier 233, for concentrating the light of diffusion within a certain angle, to improve light luminance.Brightness enhancement film
Rib for condensing light is conventionally formed on 234, it, can also be in brightness enhancement film 234 in order to protect the rib of brightness enhancement film 234
Protective film 235 is set.
Since the light that illuminating part 222 is emitted has certain angle of flare, when the hair of two neighboring same color
Light part 222 apart from farther out when, easy to produce the non-uniform phenomenons of light such as hot spot (hot spot), in order to prevent this phenomenon,
The width of illuminating part 222 in lamp bar 221 should design as possible it is smaller, to increase the setting number of illuminating part 222 in lamp bar 221
Amount.Meanwhile the projection of shape of the incidence surface of light guide plate 231 towards liquid crystal display panel is zigzag (as shown in Figure 7b).And figure
Incidence surface in 7a is that the light guide plate 7a of plane is compared, after setting incidence surface to the zigzag fashion in Fig. 7 b, illuminating part 222
Light injects the diffusion angle increase after light guide plate 231, to improve the uniformity of light.In addition, in order to improve the profit of light
With rate, depth polishing can be carried out to other sides other than the incidence surface of light guide plate 231, to reinforce light in light guide plate 231
Internal reflection prevents light from being projected from the side of light guide plate 231, bad to prevent from periphery bright line etc. occur in display.
The structure of backboard 21 is as shown in Figure 4, including bottom wall 211, side wall 212 and baffle 213, the bottom end of side wall 212 with
Bottom wall 211 is connected, and baffle 213 is connected with the top of side wall 212.It is empty that bottom wall 211, side wall 212 and baffle 213 limit receiving
Between, light source 22, light guide plate 231 and each optical diaphragm are arranged in the accommodation space.The side corresponding with light source of light guide plate 231
Optical diaphragm of the edge beyond the top of light guide plate 231, what baffle 213 sheltered from light source 22 and light guide plate 231 exceeds part.Light guide plate
231 exceed above part is provided with anti-dazzling screen 24, and anti-dazzling screen 24 is reflective surface towards the surface of light guide plate 231, and being used for will
The light of light guide plate 231 projected beyond part is reflected back light guide plate 231, improves light utilization；Anti-dazzling screen 24 is away from leaded light
It is provided with light-absorption layer on the surface of plate 231, to prevent external environmental light from influencing the light color of light source 22.The direction of baffle 213
The surface of liquid crystal display panel is provided with the adhesive layers such as adhesive tape 25.
As another aspect of the present invention, a kind of display methods of display device is provided, the display device includes above
The liquid crystal display panel and backlight module of offer.The display methods includes：
It is several mutually different subgraphs of color by every frame picture breakdown to be shown, and obtains the ash of every width subgraph
Rank information.
It will show that the display stage of a frame image is divided into multiple fields, each field shows a width subgraph；The field includes driving
Mover stage and the luminous sub-stage after driving sub-stage；The duration of the driving sub-stage is less than the sub- rank that shines
The duration of section.
In the driving sub-stage, drive signal is provided for each pixel region according to the gray level information of subgraph to be shown,
So that each pixel region generates corresponding transmitance；And close the backlight module.
In the luminous sub-stage, controls the backlight module and send out light identical with subgraph color to be shown, liquid
The subgraph of corresponding color is shown after LCD panel transmitted light.Driving by multiple driving sub-stages and the sub- rank that shines
Section shine after, liquid crystal display panel shows the subgraph of multiple and different colors successively, when the switching frequency of these subgraphs
When very fast, complete image to be shown is synthesized in human eye.
When showing each width subgraph, backlight module is closed in driving sub-stage, to prevent different subgraphs
Mixed color phenomenon；Also, since the duration of the duration relative luminous sub-stage of driving sub-stage is shorter, adjacent two width
Interval duration between image is shorter, even if the eye of viewer can be fallen on the retina if moving adjacent two images
Closer position, to reduce visual artefacts.
Specifically, described in the step of several subgraphs that every frame picture breakdown to be shown is mutually different for color
Several subgraphs include：Red sub-images, green sub-image and blue sub-image.It will show that the display stage of a frame image is divided into
In multiple the step of, the quantity of the field is three.
Wherein, there is interval between the two neighboring display stage；The display methods further includes：In two neighboring display rank
In interval between section, the backlight module is closed.Specifically, the interval duration between the two neighboring display stage and the drive
The sum of the duration in mover stage is more than the duration of the luminous sub-stage.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, however the present invention is not limited thereto.For those skilled in the art, in the essence for not departing from the present invention
In the case of refreshing and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection scope of the present invention.
Claims (12)
1. a kind of display device, including：
Liquid crystal display panel, the liquid crystal display panel are divided into multiple pixel regions；
The incident side in the liquid crystal display panel is arranged in backlight module, mutual for providing color for the liquid crystal display panel
Different multi-light；It is characterized in that, the display device further includes：
Data obtaining module for being several mutually different subgraphs of color by every frame picture breakdown to be shown, and obtains
The gray level information of every width subgraph；
Time-sequence control module, for will show that the display stage of a frame image is divided into multiple fields, each field shows a width subgraph；
The field includes driving sub-stage and the luminous sub-stage after driving sub-stage；The duration of the driving sub-stage is less than
The duration of the luminous sub-stage；
Driver module, for providing drive according to the gray level information of subgraph to be shown for each pixel region in driving sub-stage
Dynamic signal, so that each pixel region generates corresponding transmitance；
Backlight drive module, it is identical with subgraph color to be shown for being sent out in the luminous sub-stage control backlight module
Light；And close the backlight module in the driving sub-stage.
2. display device according to claim 1, which is characterized in that there is interval between the two neighboring display stage；Institute
It states in the interval that backlight drive module was additionally operable between the two neighboring display stage and closes the backlight module.
3. display device according to claim 2, which is characterized in that interval duration between the two neighboring display stage with
The sum of the duration of the driving sub-stage is more than the duration of the luminous sub-stage.
4. display device as claimed in any of claims 1 to 3, which is characterized in that every frame image to be shown point
Solution at several subgraphs include：Red sub-images, green sub-image and blue sub-image；What each display stage was divided into
The quantity of field is three.
5. display device as claimed in any of claims 1 to 3, which is characterized in that the liquid crystal display panel packet
It includes：Array substrate, with the array substrate to box be arranged to box substrate, positioned at the array substrate and it is described to box substrate it
Between liquid crystal layer；The array substrate is located at the backlight module and described between box substrate；
The array substrate and described polarizing film is both provided with to the surface that box substrate is away from each other；
The array substrate includes the multiple pixel electrodes of substrate and setting over the substrate, the pixel electrode and the picture
Plain area corresponds, described to being additionally provided with public electrode on box substrate or the array substrate；The driver module is
The drive signal that the pixel region provides includes：The pixel voltage signal that is there is provided for the pixel electrode and be the public electrode
The public voltage signal of offer；
The part for corresponding to the pixel region to box substrate is transparent.
6. display device according to claim 5, which is characterized in that multiple pixel regions are arranged as multiple lines and multiple rows；Institute
It further includes a plurality of grid line, multiple data lines and the multiple and one-to-one thin film transistor (TFT) of the pixel region to state array substrate；
The drain electrode of the thin film transistor (TFT) is connected with the pixel electrode in respective pixel area；
The grid line extends along line direction；The grid of thin film transistor (TFT) corresponding to every grid line and adjacent rows pixel region is simultaneously
It is connected, the thin film transistor (TFT) that different grid lines are connected is different；
The data line extends along column direction；Each column pixel region corresponds to two data lines, the number corresponding to different lines pixel region
It is different according to line；In thin film transistor (TFT) corresponding to any one row pixel region, two film crystalline substances of same grid line are connected
The source electrode of body pipe is connected with the two data lines one-to-one correspondence corresponding to the row pixel region.
7. display device as claimed in any of claims 1 to 3, which is characterized in that the backlight module includes light
Source and light guide plate；
The backlight drive module is electrically connected with the light source, with drive the light source luminous sub-stage send out with it is to be shown
The identical light of subgraph color；
The incidence surface of the light guide plate is arranged towards the light source, and the light-emitting surface of the light guide plate is towards the liquid crystal display panel
The projection of shape of setting, incidence surface towards the liquid crystal display panel of the light guide plate is zigzag；
Between the light guide plate and the liquid crystal display panel and the light guide plate deviates from the side of the liquid crystal display panel
It is both provided with optical diaphragm.
8. display device according to claim 7, which is characterized in that the light source includes lamp bar and is arranged in the lamp bar
On multi-group light-emitting part, every group of illuminating part includes multiple illuminating parts, and the luminescent color of illuminating part is identical in same group, different groups
Illuminating part luminescent color it is different；
In the lamp bar, all illuminating parts are arranged in order along predetermined direction, and the different illuminating part of luminescent color is arranged in turn,
The predetermined direction is perpendicular to the light guide plate direction.
9. a kind of display methods of display device, the display device include：
Liquid crystal display panel, the liquid crystal display panel are divided into multiple pixel regions；
The incident side in the liquid crystal display panel is arranged in backlight module, mutual for providing color for the liquid crystal display panel
Different multi-light；It is characterized in that, the display methods includes：
It is several mutually different subgraphs of color by every frame picture breakdown to be shown, and obtains the grayscale letter of every width subgraph
Breath；
It will show that the display stage of a frame image is divided into multiple fields, each field shows a width subgraph；The field includes driving
Stage and the luminous sub-stage after driving sub-stage；The duration of the driving sub-stage is less than the luminous sub-stage
Duration；
In the driving sub-stage, drive signal is provided for each pixel region according to the gray level information of subgraph to be shown, so that
Each pixel region generates corresponding transmitance；And close the backlight module；
In the luminous sub-stage, controls the backlight module and send out light identical with subgraph color to be shown.
10. display methods according to claim 9, which is characterized in that there is interval between the two neighboring display stage；Institute
Stating display methods further includes：
In interval between the two neighboring display stage, the backlight module is closed.
11. display methods according to claim 10, which is characterized in that the interval duration between the two neighboring display stage
It is more than the duration of the luminous sub-stage with the sum of the duration of the driving sub-stage.
12. the display methods according to any one of claim 9 to 11, which is characterized in that it is described will be to be shown every
In the step of frame picture breakdown is color mutually different several subgraphs, several described subgraphs include：It is red sub-images, green
Dice image and blue sub-image；
Described to show in the step of display stage of a frame image is divided into multiple, the quantity of the field is 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 |
| CN108962108B (en) * | 2018-07-23 | 2022-03-25 | 重庆医药高等专科学校 | Wheel display device and method capable of being remotely controlled |
| CN109192150B (en) * | 2018-11-01 | 2021-08-24 | 京东方科技集团股份有限公司 | Backlight module driving method and driving structure and display device |
| CN113362776A (en) * | 2021-06-30 | 2021-09-07 | 北京京东方光电科技有限公司 | Field sequence display device, control method and display equipment |
| CN115909913A (en) * | 2021-09-30 | 2023-04-04 | 华为技术有限公司 | Display module and imaging control method |
| CN116153216A (en) * | 2021-11-23 | 2023-05-23 | 上海海思技术有限公司 | Picture display method and display device |
| CN114185192A (en) * | 2021-12-09 | 2022-03-15 | 武汉华星光电技术有限公司 | Light-emitting panel and display device |
| CN114399976B (en) * | 2022-02-15 | 2023-05-30 | 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 |
| CN114743514A (en) * | 2022-06-09 | 2022-07-12 | 南京惠华电子技术有限公司 | Method for high-brightness multicolor display of liquid crystal display module |
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| CN101015218A (en) * | 2004-07-08 | 2007-08-08 | 图像公司 | Equipment and methods for the display of high resolution images using multiple projection displays |
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