CN109814305A - A kind of display device - Google Patents
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- CN109814305A CN109814305A CN201910252993.4A CN201910252993A CN109814305A CN 109814305 A CN109814305 A CN 109814305A CN 201910252993 A CN201910252993 A CN 201910252993A CN 109814305 A CN109814305 A CN 109814305A
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Abstract
The embodiment of the invention discloses a kind of display devices.The display device includes display panel and moves unit positioned at the picture of display panel light emission side；Display panel includes the pixel unit array that multiple pixel units are formed, and each pixel unit includes a variety of sub-pixels for issuing different colours light；Along line direction, the luminescent color of adjacent sub-pixel is different；Along column direction, the luminescent color of adjacent sub-pixel is identical；The exit path for not moving the light of the first pixel unit row outgoing as moving unit, it is used to the exit path of the second pixel unit row sub-pixel emergent ray moving pre-determined distance along line direction as moving unit, the sub-pixel of at least three adjacent different colours is set to constitute the first pixel unit, at least one sub-pixel is located at other sub-pixels and does not go together in first pixel unit, and can issue the light of white；First pixel unit row and the second pixel unit row are alternately arranged along column direction.The technical solution of the embodiment of the present invention can effectively improve the resolution ratio of display device.
Description
Technical field
The present embodiments relate to display technology more particularly to a kind of display devices.
Background technique
It is well known that the resolution ratio of display panel is higher, it is more clear to be imaged, and can more bring more preferably display body
It tests.With the development of display technology and people are higher and higher to consumer electronics product requirement, the need of high-resolution display panel
Ask increasing.In the prior art, Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) display dress
Set have actively shine, colour gamut is wide, response is fast, contrast is high, low in energy consumption, small in size, to be easily achieved Flexible Displays etc. many excellent
Point has very wide application prospect.
In the prior art, sub-pixel rendering (Sub Pixel Rendering, SPR) is a kind of by reasonable sub-pixel
The technology for improving display resolution for arranging and being realized in conjunction with corresponding algorithm.Fig. 1 is a kind of existing Δ that can be used for SPR
The schematic diagram of rgb pixel arrangement is gone here and there between each sub-pixel when showing in order to prevent since each adjacent subpixels luminescent color is different
Color needs to have very high aligning accuracy when forming pixel, manufacture craft is required very high.Such as OLED display surface
Plate generally uses evaporation process, and the essence of high-precision metal mask plate (Fine Metal Mask, FMM) is limited in vapor deposition
Degree, display panel resolution ratio are difficult to further increase.
Summary of the invention
The embodiment of the present invention provides a kind of display device, to improve the resolution ratio of display device.
The embodiment of the present invention provides a kind of display device, including display panel and positioned at the light emission side of the display panel
Picture move unit；
The display panel includes the pixel unit array that multiple pixel units are formed, and each pixel unit includes more
Kind issues the sub-pixel of different colours light；
Along line direction, the luminescent color of the adjacent sub-pixel is different；Along column direction, the hair of the adjacent sub-pixel
Light color is identical；
The exit path for not moving the light of the first pixel unit row outgoing as moving unit, it is described to be used for as moving unit
The exit path of sub-pixel emergent ray described in second pixel unit row is moved into pre-determined distance along line direction, make it is adjacent extremely
The sub-pixel of few three different colours constitutes the first pixel unit, in first pixel unit at least one described sub-pixel with
Other sub-pixels, which are located at, does not go together, and first pixel unit can issue the light of white；
The first pixel unit row and the second pixel unit row are alternately arranged along column direction；
The first pixel unit line position is in odd-numbered line, and the second pixel unit line position is in even number line, alternatively, described
Two pixel unit line positions are in odd-numbered line, and the first pixel unit line position is in even number line.
The picture of display device provided in an embodiment of the present invention, the light emission side including display panel and positioned at display panel moves
Unit；Display panel includes the pixel unit array that multiple pixel units are formed, and each pixel unit includes that a variety of sendings are different
The sub-pixel of color of light；Along line direction, the luminescent color of adjacent sub-pixel is different；Along column direction, the hair of adjacent sub-pixel
Light color is identical；The exit path for not moving the light of the first pixel unit row outgoing as moving unit, is used for as moving unit by the
The exit path of two pixel unit row sub-pixel emergent rays moves pre-determined distance along line direction, makes adjacent at least three not
Sub-pixel with color constitutes the first pixel unit, at least one sub-pixel and other sub-pixels are located at not in the first pixel unit
Colleague, and the first pixel unit can issue the light of white；First pixel unit row and the second pixel unit row replace along column direction
Arrangement；First pixel unit line position is in odd-numbered line, and the second pixel unit line position is in even number line, alternatively, the second pixel unit line position
In odd-numbered line, the first pixel unit line position is in even number line.Adjacent subpixels by designing the column direction of display panel issue phase
With the light of color, the aligning accuracy of the sub-pixel of column direction can be reduced, to make the tighter of the arrangement of subpixels on column direction
It is close, increase the density of sub-pixel on display panel, promotes the resolution ratio of display panel；By as moving unit for the second pixel unit
The exit path of row sub-pixel emergent ray moves pre-determined distance along line direction, and the first pixel unit row sub-pixel is emitted
The exit path of light does not move, so as to so that at least three sub-pixels for issuing different colours light constitute the in adjacent rows
One pixel unit, the light that the first pixel unit can issue white can further promote display resolution in conjunction with SPR algorithm.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of existing △ rgb pixel arrangement that can be used for SPR；
Fig. 2 is a kind of structural schematic diagram of display device provided in an embodiment of the present invention；
Fig. 3 is a kind of pixel arrangement schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 4 is the pixel arrangement schematic diagram after pixel arrangement picture shown in Fig. 3 moves；
Fig. 5 is the pixel arrangement schematic diagram of another display panel provided in an embodiment of the present invention；
Fig. 6 is the pixel arrangement schematic diagram after pixel arrangement picture shown in fig. 5 moves；
Fig. 7 is the pixel arrangement schematic diagram of another display panel provided in an embodiment of the present invention；
Fig. 8 is the pixel arrangement schematic diagram after pixel arrangement picture shown in Fig. 7 moves；
Fig. 9 is the structural schematic diagram of another display device provided in an embodiment of the present invention；
Figure 10 is the structural schematic diagram of another display device provided in an embodiment of the present invention；
Figure 11 is the structural schematic diagram of another display device provided in an embodiment of the present invention；
Figure 12 is the structural schematic diagram of another display device provided in an embodiment of the present invention；
Figure 13 is a kind of structural schematic diagram of light valve provided in an embodiment of the present invention；
Figure 14 is the structural schematic diagram of another display device provided in an embodiment of the present invention；
Figure 15 show light in a kind of birefringent structure and propagates schematic diagram.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.It should be noted that the nouns of locality such as "upper", "lower" described in the embodiment of the present invention, "left", "right" are with attached drawing institute
The angle shown should not be construed as the restriction to the embodiment of the present invention come what is be described.Furthermore within a context, it is also necessary to understand
, when mentioning an element and being formed on "above" or "below" another element, another can not only be formed directly into
Perhaps "lower" can also be indirectly formed by intermediary element in another element "upper" or "lower" for element "upper".Term " first ",
" second " etc. is used for description purposes only, and is not offered as any sequence, quantity or importance, and is used only to distinguish different groups
At part.For the ordinary skill in the art, above-mentioned term in the present invention specific can be understood with concrete condition
Meaning.
Fig. 2 show a kind of structural schematic diagram of display device provided in an embodiment of the present invention.With reference to Fig. 2, the present invention is real
The display device for applying example offer includes the picture shifting unit 20 of display panel 10 and the light emission side positioned at display panel 10；Display surface
Plate 10 includes the pixel unit array that multiple pixel units are formed.Referring to FIG. 3, Fig. 3 show it is provided in an embodiment of the present invention
A kind of pixel arrangement schematic diagram of display panel.Each pixel unit includes a variety of sub-pixels for issuing different colours light, in Fig. 3
Show schematically rubescent, green, blue three-color light sub-pixel R, G, the B of three kinds of difference；Along line direction x, adjacent sub- picture
The luminescent color of element is different；Along column direction y, the luminescent color of adjacent sub-pixel is identical；The first pixel is not moved as moving unit
The exit path for the light that cell row 110 is emitted is used for as moving unit by 120 sub-pixel emergent ray of the second pixel unit row
Exit path move pre-determined distance along line direction x, make at least three adjacent different colours sub-pixel constitute the first pixel
Unit, at least one sub-pixel is located at other sub-pixels and does not go together in the first pixel unit, and the first pixel unit can issue
The light of white；First pixel unit row 110 and the second pixel unit row 120 are alternately arranged along column direction y；First pixel unit row
110 are located at odd-numbered line, and the second pixel unit row 120 is located at even number line, alternatively, the second pixel unit row 120 is located at odd-numbered line, the
One pixel unit row 110 is located at even number line.
It is understood that display panel 10 can be the display surfaces such as liquid crystal display panel or organic light emitting display panel
Plate describes the present embodiment below by taking organic light emitting display panel as an example.Display panel includes sending out along line direction x adjacent subpixels
Light color is different, along the identical pixel unit array of column direction y adjacent subpixels luminescent color, for showing picture to be shown；
As move unit 20 be used for modulate 10 middle part molecule pixel of display panel go out light path, by a half pixel units row (odd-numbered line or
Even number line) sub-pixel goes out the mobile pre-determined distance of light path, go out light path without change another half pixel units row.Example
Property, Fig. 4 is the pixel arrangement schematic diagram after pixel arrangement picture shown in Fig. 3 moves.With reference to Fig. 3 and Fig. 4, display panel includes three
Kind rubescent, green, blue three-color light sub-pixel R, G, B of difference；On line direction x, the luminescent color of adjacent sub-pixel is not
Together, on column direction y, the luminescent color of adjacent sub-pixel is identical；Illustratively, below using odd-numbered line as the first pixel list
First row 110 for even number line is as the second pixel unit row 120, introduces the illustrative embodiment of the embodiment of the present invention.It please join
Fig. 4 is examined, does not move the display position of 110 sub-pixel of the first pixel column as moving unit, and as moving unit for the second pixel unit
The exit path of 120 sub-pixel emergent ray of row moves pre-determined distance to position shown in Fig. 4 along line direction x.It needs to illustrate
, it is using optical principle as moving unit, change is that sub-pixel goes out light path, to change sub-pixel in display panel
On display position.Three R, G, B sub-pixels in adjacent rows are made to constitute the first pixel unit 100, and the first sub-pixel unit
100 can issue the light of white；As after moving in picture shown by display panel, adjacent subpixels luminescent color is not in a column direction
Together.Since the sub-pixel that the display panel in the embodiment of the present invention designs same color in a column direction is adjacent, column side is reduced
The aligning accuracy of upward sub-pixel, therefore more sub-pixels can be designed on the display panel of same dimension, to mention
The pixel density (PPI) of high display panel；As moving, adjacent subpixels luminescent color is different on formation column direction after unit picture moves
Pixel arrangements are conducive to the display of color；Further, it can be combined with existing SPR algorithm, further promote display
The resolution ratio of panel.
It should be noted that the division of the first pixel unit 100 is only schematical in Fig. 4, pixel wash with watercolours when being particularly shown
Dyeing method can be arranged according to the actual situation, and this is not limited by the present invention.
The technical solution of the embodiment of the present invention issues identical face by designing the adjacent subpixels of column direction of display panel
The light of color, can reduce the aligning accuracy of the sub-pixel of column direction, to make the closer of the arrangement of subpixels on column direction, increase
The density for adding sub-pixel on display panel promotes the resolution ratio of display panel；Moving unit by picture will be in the second pixel unit row
The exit path of sub-pixel emergent ray moves pre-determined distance along line direction, and the first pixel unit row sub-pixel emergent ray
Exit path do not move, so as to so that in adjacent rows at least three issue different colours light sub-pixels constitute the first picture
Plain unit, the light that the first pixel unit can issue white can further promote display resolution in conjunction with SPR algorithm.This
Outside, it does not need for a picture to be divided into multiframe when display device is shown and be synthesized to improve display resolution, is not necessarily to
Increase the refresh rate of display panel.
Optionally, pre-determined distance is the half of a pixel unit width along line direction；Wherein, a pixel unit is wide
Degree is the distance for issuing the center of two sub-pixels of same color light in two neighboring pixel unit along line direction.
With continued reference to Fig. 4, it is same in two neighboring pixel unit on line direction x for defining the width w an of pixel unit
A kind of the distance between sub-pixel center of color, such as the distance between two R sub-pixels are w in Fig. 4, by the second pixel column
The light path that goes out of 120 sub-pixels deviates 1/2w along line direction x, to form the pixel different along column direction adjacent subpixels color
Arrangement, in addition, as in the picture of display panel presentation, the position of three different sub-pixels of adjacent color can be corresponded to after moving
In the position on three vertex of triangle, in favor of the color displays of display device；Further, in favor of utilization SPR algorithm
Improve display resolution.
Optionally, each pixel unit includes the sub-pixel or four kinds of sending different colours light of three kinds of sending different colours light
Sub-pixel.
It is understood that Fig. 3 is the pixel row that each pixel unit includes three kinds of sub-pixels for issuing different colours light
Column mode, illustratively, Fig. 5 show the pixel arrangement schematic diagram of another display panel provided in an embodiment of the present invention, Fig. 6
Pixel arrangement schematic diagram after being moved for pixel arrangement picture shown in fig. 5.With reference to Fig. 5, unlike Fig. 3, each pixel in Fig. 5
In unit include two green (G) sub-pixels, as move after the first pixel unit 100 as shown in Fig. 6 intermediate cam dotted line frame.With reference to
Fig. 5, due to pixel arrangement designed on column direction y it is adjacent with sub-pixel, reduce the sub-pixel on column direction y contraposition essence
Degree, therefore more sub-pixels can be designed on the display panel of same dimension, to improve the PPI of display panel；With reference to
Fig. 6 forms column direction y adjacent subpixels color different pixels arrangement mode as moving after unit picture moves, is conducive to display device
Color displays；Further R, G, B sub-pixel of adjacent rows can be made to share and form virtual representation in conjunction with the algorithm of pixel rendering
Element effectively promotes the resolution ratio of display.
Illustratively, Fig. 7 show the pixel arrangement schematic diagram of another display panel provided in an embodiment of the present invention, figure
8 be the pixel arrangement schematic diagram after pixel arrangement picture shown in Fig. 7 shifting.With reference to Fig. 7 and Fig. 8, a pixel unit may include
Four sub-pixels, for example including red (R), green (G), blue (B), white (W) four sub-pixel or red (R), green (G), blue (B), Huang
(Y) four sub-pixel, as pixel arrangement is as shown in Figure 8 after moving.Fig. 7 and Fig. 8 is only with red (R), green (G), blue (B), four kinds of white (W)
Schematically illustrate in case where sub-pixel.
Along line direction x, rows include red (R), green (G), indigo plant (B), white (W) four sub-pixel, and adjacent sub- picture
Plain color is different；Along column direction y, adjacent sub-pixel colors are identical.After pixel arrangement occurs as moving, referring to FIG. 8, adjacent two
Capable red (R), green (G), blue (B), white (W) four sub-pixel one the first pixel unit 100 of composition, and the first pixel unit
100 can issue the light of white.
It is understood that can effectively improve display panel by increasing white (W) color or yellow (Y) sub-pixel
Display brightness forms the pixel arrangements different along column direction y adjacent subpixels color as moving after unit picture moves, compared to picture
The pixel unit that is made of four different sub-pixels of color being arranged successively in the same direction before moving, can make four it is adjacent and
The different sub-pixel of color constitutes pixel unit, is conducive to show color displays；It further, can be in conjunction with the calculation of pixel rendering
Method shares R, G, B, W (or Y) sub-pixel of adjacent rows and forms virtual pixel, effectively promotes the resolution ratio of display.
Fig. 9 show the structural schematic diagram of another display device provided in an embodiment of the present invention.With reference to Fig. 9, optionally,
Display panel 10 is liquid crystal display panel, and the emergent ray of liquid crystal display panel is the first polarised light of the first polarization direction；Picture
Moving unit 20 includes birefringent structure 21, positioned at the light emission side of liquid crystal display panel；It is corresponding two-fold with the first pixel unit row
The optical axis direction for penetrating structure 21 is first direction a；The optical axis direction of birefringent structure 21 corresponding with the second pixel unit row is
Second direction b；First direction a is vertical with the first polarization direction, and second direction b and the first polarization direction have the first angle
Wherein,
It is understood that birefringent refer to a phenomenon that incident ray generates two refracted lights.Light is incident on
Anisotropic crystal (such as quartz, calcite etc.), two kinds for being decomposed into that direction of vibration is orthogonal, spread speed is different are partially
Shake light, wherein the light beam for meeting the law of refraction is known as ordinary light, and the light beam for being unsatisfactory for the law of refraction is known as non-ordinary light.It is exemplary
, since the light of liquid crystal display panel outgoing is polarised light, 10 emergent ray of display panel shown in Fig. 9 can be set
Polarization direction is the first polarization direction, and the first polarization direction is parallel to the plane at 10 place of display panel and propagates perpendicular to light
Direction, display panel emergent ray impinge perpendicularly on birefringent structure 21, then display panel emergent ray is in birefringent structure 21
When middle transmission, the optical axis direction of the corresponding birefringent structure of the first pixel unit row 110 is first direction a, due to first direction a
Perpendicular to the first polarization direction, therefore when light is emitted from birefringent structure 21, does not change exit path, i.e. the first pixel column 100
Sub-pixel display position do not change.The optical axis direction of the corresponding birefringent structure of second pixel unit row 120 is second direction
B, since second direction b and the first polarization direction have the first angleAndThen the second pixel unit row
120 light issued are after birefringent structure, it may occur that offset, when it is implemented, direction by rationally designing optical axis and double
The thickness of refraction structure, so that emergent ray be made to translate pre-determined distance along line direction.
It should be noted that light shown in Fig. 9 is intended merely to illustrate the second pixel list to the lower section deviation of diagram
The exit path of first row emergent ray can shift, and practical offset direction can be done pair according to the offset direction of rows
The setting answered, such as 120 sub-pixel emergent ray of the second pixel column offset direction is after picture shifting unit 20 in the present embodiment
Line direction.
Figure 10 show the structural schematic diagram of another display device provided in an embodiment of the present invention.It is optional with reference to Figure 10
, it include light valve 22 as moving unit 20, light valve 22 only allows the first polarised light of the first polarization direction to penetrate；Birefringent structure
21, positioned at the light emission side of light valve 22；The optical axis direction of birefringent structure 21 corresponding with the first pixel unit row 110 is first party
To a；The optical axis direction of birefringent structure 21 corresponding with the second pixel unit row 120 is second direction b；First direction a and
One polarization direction is vertical, and second direction and the first polarization direction have the second angleWherein,
It is understood that display device shown in Fig. 10, the light being emitted in display panel can be random polarization side
To may include one or more polarization directions.Figure 10 schematically show display panel emergent ray have be mutually perpendicular to
Two polarization directions；Light valve 22 only allows the first polarised light of the first polarization direction to penetrate, the polarised light of other polarization directions
It cannot penetrate.Illustratively, it is to be parallel to display panel and perpendicular to the light direction of propagation that the first polarization direction, which can be set,；Light
The line direction of propagation is perpendicular to as moving unit 20.
Optionally, light valve 22 can be twisted nematic liquid crystals box and polarizer constructions, and polarizing film is located at display panel 10
Between twisted nematic liquid crystals box, polarizing film is set as that the polarised light perpendicular to the first polarization direction is only allowed to pass through, distortion
The polarization direction for the light being incident on birefringent structure 21 is rotated to be the first polarization direction by nematic crystal box.Due to first
The optical axis direction of the corresponding birefringent structure of pixel unit row 110 is with perpendicular to the first polarization direction, therefore light is from birefringent
Structure 21 does not change exit path when being emitted；And corresponding 21 optical axis direction of birefringent structure of the second pixel unit row 120 i.e.
Two direction b and the first polarization direction have the second angleThen light in birefringent structure 21 at this time
Exit path shifts, when it is implemented, by the thickness in the direction and birefringent structure that rationally design optical axis, to use
It penetrates light and translates pre-determined distance along line direction.It is understood that showing the light that panel 10 issues herein can only include one kind
Polarization direction please refers to the structural schematic diagram that Figure 11 is another display device provided in an embodiment of the present invention, i.e. display panel
10 be liquid crystal display panel.At this point, being modulated into the first polarization from the line polarisation being emitted in display panel 10 after light valve 22
The light in direction is again incident in birefringent structure 21.
Optionally, with continued reference to FIG. 10, when display panel emergent ray includes a variety of polarization directions, such as display panel
For OLED display panel, light valve 22 can be linear polarizer.Light valve 22 only allows the polarised light of the first polarization direction to pass through at this time,
Light impinges perpendicularly on birefringent structure 21, due to the optical axis direction of the corresponding birefringent structure of the first pixel unit row 110
Perpendicular to the first polarization direction, therefore when light is emitted from birefringent structure 21, does not change exit path；And the second pixel unit
Corresponding 21 optical axis directions of birefringent structure of row 120, that is, second direction b and the first polarization direction have the second angleThen beam projecting path shifts in birefringent structure 21 at this time, when it is implemented, passing through
The direction of optical axis and the thickness of birefringent structure are rationally designed, so that emergent ray be made to translate pre-determined distance along line direction.
Optionally, birefringent structure includes electrically conerolled birefringence material or magnetic control birefringent material.
It is understood that electrically conerolled birefringence material or magnetic control birefringent material such as liquid crystal, it can be by changing electric field
Or magnetic field changes its molecular arrangement direction, to realize the purpose of subregion control optical axis direction.
Figure 12 show the structural schematic diagram of another display device provided in an embodiment of the present invention.It is optional with reference to Figure 12
, it include light valve 22 and birefringent structure 21 as moving unit 20, light valve 22 includes the first light valve 22a and the second light valve 22b；Its
In, the emergent ray of the first pixel unit row is modulated to the second polarised light of the second polarization direction, the second light by the first light valve 22a
The emergent ray of second pixel unit row is modulated to the first polarised light of the first polarization direction by valve 22b；Birefringent structure 21, position
In side of the light valve far from display panel 10, the optical axis of birefringent structure 21 it is vertical with the second polarization direction and with the first polarization side
To with third angleWherein,
Illustratively, in Figure 12 in birefringent structure 21, optical axis direction having the same.Birefringent structure 21 can be primary
Property completes, and simplifies manufacture craft.At this point, the light of the first pixel unit row 110 outgoing obtains after the second light valve 22a
To the second polarised light of the second polarization direction, since the second polarization direction is vertical with the direction of optical axis, the incidence of the second polarised light
The vertical birefringent structure in direction will not shift when then the second polarised light passes through birefringent structure 21；Second pixel unit row
120 light obtains the first polarised light of the first polarization direction, due to the first polarization direction and optical axis after the second light valve 22b
With angleAndThe vertical birefringent structure of the incident direction of first polarised light, after birefringent structure,
Exit path can shift, by rationally designing the direction of optical axis and the thickness of birefringent structure, to make emergent ray edge
Line direction translates pre-determined distance.
Figure 13 show a kind of structural schematic diagram of light valve provided in an embodiment of the present invention.With reference to Figure 13, optionally, light valve
Including twisted nematic liquid crystals box 221 and polarizing film 222；Twisted nematic liquid crystals box includes: first substrate 2211, the second substrate
2212, the twisted nematic liquid crystal layer 2213 between first substrate 2211 and the second substrate 2212；First electrode 2214, position
In 2211 side of first substrate；Second electrode 2215 is located at 2214 side of the second substrate；Polarizing film 222 is located at twisted nematic
Side of the liquid crystal cell 221 far from birefringent structure.
It is understood that twisted nematic liquid crystals both ends are when making alive is with voltage is not added, liquid crystal molecule can occur
Torsion, to modulate the polarization direction of light.In the specific implementation, such as in embodiment corresponding for Figure 11, can pass through
First electrode 2214 and second electrode 2215 make 10 emergent ray of display panel in the identical voltage of entire display area application
Polarization state is deflected to the first polarization direction；In embodiment corresponding for Figure 12, first electrode 2214 and the second electricity can be passed through
Pole 2215 applies different electric fields in the first pixel unit row and the corresponding region of the second pixel unit row respectively and forms the first light
Valve and the second light valve, to penetrate the first polarised light and the second polarised light respectively.It is understood that when display panel is liquid crystal
When display panel, light valve can not include polarizing film.
Optionally, 2 are continued to refer to figure 1, display panel 10 can be organic light emitting display panel, and light valve 22 includes polarized line
Grid, polarization wiregrating include along the alternately arranged first structure of column direction and the second structure, and first structure forms the first light valve 22a,
Second structure forms the second light valve 22b；First structure transmits the second polarised light, and the second structure transmits the first polarised light.
Figure 14 show the structural schematic diagram of another display device provided in an embodiment of the present invention.It is optional with reference to Figure 14
, display device further includes brightness enhancement film 30, and brightness enhancement film 30 is between display panel 10 and light valve 22.
It is understood that will lead to display brightness since light valve has filtered out half light and halve, therefore can be aobvious
Show and brightness enhancement film is set between panel and light valve, to improve display brightness.
Figure 15 show light in a kind of birefringent structure and propagates schematic diagram.With reference to Figure 15, optionally, as moving unit for the
The exit path of two pixel unit row sub-pixel emergent rays meets along the pre-determined distance L that line direction moves:
L=dtan θ；
Wherein d indicates birefringent structure perpendicular to display panel institute thickness in the in-plane direction, the birefringent knot of θ expression
The angle of non-ordinary light and ordinary light when structure occurs birefringent,Indicate optical axis and the angle perpendicular to display panel direction, noIt indicates
The refractive index of ordinary light, n in birefringent structureeIndicate the refractive index of non-ordinary light in birefringent structure.
By rationally designing the direction of birefringent structure optical axis and the thickness of birefringent structure, to make emergent ray along row
Direction translates pre-determined distance.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts, be combined with each other and substitutes without departing from protection scope of the present invention.Therefore, although by above embodiments to this
Invention is described in further detail, but the present invention is not limited to the above embodiments only, is not departing from present inventive concept
In the case of, it can also include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of display device, which is characterized in that the picture of the light emission side including display panel and positioned at the display panel moves
Unit；
The display panel includes the pixel unit array that multiple pixel units are formed, and each pixel unit includes a variety of hairs
The sub-pixel of different colours light out；
Along line direction, the luminescent color of the adjacent sub-pixel is different；Along column direction, the luminous face of the adjacent sub-pixel
Color is identical；
The exit path for not moving the light of the first pixel unit row outgoing as moving unit, it is described to be used for as moving unit by the
The exit path of sub-pixel emergent ray described in two pixel unit rows moves pre-determined distance along line direction, makes adjacent at least three
The sub-pixels of a different colours constitutes the first pixel unit, in first pixel unit at least one described sub-pixel and other
Sub-pixel, which is located at, does not go together, and first pixel unit can issue the light of white；
The first pixel unit row and the second pixel unit row are alternately arranged along column direction；
The first pixel unit line position is in odd-numbered line, and the second pixel unit line position is in even number line, alternatively, second picture
Plain cell row is located at odd-numbered line, and the first pixel unit line position is in even number line.
2. display device according to claim 1, which is characterized in that the pre-determined distance is a pixel along line direction
The half of cell width；
Wherein, one pixel unit width is to issue same color in the two neighboring pixel unit along line direction
The distance at the center of two sub-pixels of light.
3. display device according to claim 1, which is characterized in that each pixel unit includes that three kinds of sendings are different
The sub-pixel of the sub-pixel of color of light or four kinds of sending different colours light.
4. display device according to claim 1, which is characterized in that the display panel is liquid crystal display panel, described
The emergent ray of liquid crystal display panel is the first polarised light of the first polarization direction；
It includes: birefringent structure that the picture, which moves unit, positioned at the light emission side of the liquid crystal display panel；
The optical axis direction of the birefringent structure corresponding with the first pixel unit row is first direction；With second picture
The optical axis direction of the corresponding birefringent structure of plain cell row is second direction；The first direction and the first polarization side
To vertical, the second direction and first polarization direction have the first angleWherein,
5. display device according to claim 1, which is characterized in that it includes: light valve that the picture, which moves unit, and the light valve is only
The first polarised light of the first polarization direction is allowed to penetrate；
Birefringent structure, positioned at the light emission side of the light valve；
The optical axis direction of the birefringent structure corresponding with the first pixel unit row is first direction；With second picture
The optical axis direction of the corresponding birefringent structure of plain cell row is second direction；The first direction and the first polarization side
To vertical, the second direction and first polarization direction have the second angleWherein,
6. display device according to claim 4 or 5, which is characterized in that the birefringent structure includes electrically conerolled birefringence
Material or magnetic control birefringent material.
7. display device according to claim 1, which is characterized in that described as shifting unit includes light valve and birefringent knot
Structure, the light valve include the first light valve and the second light valve；
Wherein, first light valve by the emergent ray of the first pixel unit row be modulated to the second polarization direction second partially
Shake light, and the emergent ray of the second pixel unit row is modulated to the first polarization of the first polarization direction by second light valve
Light；
The birefringent structure, the side positioned at the light valve far from the display panel, the optical axis of the birefringent structure with
Second polarization direction is vertical and has third angle with first polarization directionWherein,
8. the display device according to claim 5 or 7, which is characterized in that the light valve includes twisted nematic liquid crystals box
And polarizing film；
The twisted nematic liquid crystals box includes:
First substrate, the second substrate, the twisted nematic liquid crystal layer between the first substrate and the second substrate；
First electrode is located at the first substrate side；
Second electrode is located at the second substrate side；
The polarizing film is located at the side of the twisted nematic liquid crystals box far from the birefringent structure.
9. display device according to claim 7, which is characterized in that the display panel is organic light emitting display panel,
The light valve includes polarization wiregrating, and the polarization wiregrating includes along the alternately arranged first structure of column direction and the second structure, institute
It states first structure and forms first light valve, second structure forms second light valve；
The first structure transmits second polarised light, and second structure transmits the first polarised light.
10. the display device according to claim 7 or 9, which is characterized in that the display device further includes brightness enhancement film, institute
Brightness enhancement film is stated between the display panel and the light valve.
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