CN105842925A - Display panel, display method and display device - Google Patents
Display panel, display method and display device Download PDFInfo
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- CN105842925A CN105842925A CN201610420740.XA CN201610420740A CN105842925A CN 105842925 A CN105842925 A CN 105842925A CN 201610420740 A CN201610420740 A CN 201610420740A CN 105842925 A CN105842925 A CN 105842925A
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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
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/22—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type
- G02B30/25—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the stereoscopic type using polarisation techniques
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
-
- 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
- G02F1/13362—Illuminating devices providing polarized light, e.g. by converting a polarisation component into another one
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Liquid Crystal (AREA)
Abstract
The embodiment of the invention provides a display panel, a display method and a display device. The display panel comprises a backlight source, a diffraction grating, a light scattering film, an array base plate, a liquid crystal layer and a Polaroid, wherein the diffraction grating, the light scattering film, the array base plate, the liquid crystal layer and the Polaroid are sequentially arranged at the light outlet side of the backlight source; white light sent by the backlight source is subjected to light splitting by the diffraction grating to form base color light in various colors; the base color light in various colors is scattered by the light scattering film and is then emitted to an opening region of a plurality of pixel units after passing through the array base plate, the liquid crystal layer and the Polaroid, so that the base color light in various colors can be respectively provided for the plurality of pixel units. The display panel can be lighter and thinner; the light efficiency can be improved through the color-film-free design; the power consumption is reduced. In addition, the naked eye 3D (three-dimensional) display and 2D (two-dimensional) display switching can be realized through controlling the on-off state of an illumination element in the backlight source.
Description
Technical field
The present invention relates to Display Technique field, particularly relate to a kind of display floater and display packing,
Display device.
Background technology
Along with developing rapidly of display art, people are more and more higher to the requirement of display device.
Frivolous, convenient, energy-conservation, picture is fine and smooth, reduce cost, functional diversities be display all the time
The developing goal of part.And backlight module in existing display device, lower polaroid, array base palte,
The stepped construction of liquid crystal layer, color membrane substrates and upper polaroid limits conventional liquid crystal part
Thickness, is difficult to accomplish more frivolous.Additionally, the use in colored substrate has at least been lost 60%
Luminous energy, can only rely on and improve backlight illumination and meet the brightness requirement of real device, this is undoubtedly
Add power consumption.
It addition, three-dimensional (three-dimensional, 3D) display, with the representability that it is the most lively,
Graceful graceful environmental infection power, the visual impact of strong shock, deeply by consumers in general's
Favor.3D display device in early days needs beholder to wear corresponding 3D eyes so that it is extensively
Application limited by place and equipment.The bore hole 3D display device of development in recent years overcomes
The defect of 3D display device in early days, and make bore hole 3D display device the most concerned.
Existing bore hole 3D display device is as it is shown in figure 1, include: display floater 10 and position
Grating 11 in display floater 10 light emission side.Display floater 10 includes multiple first display unit
110 and multiple second display unit 120, and the first display unit 110 show left-eye image L,
Second display unit 120 shows eye image R.Grating 11 includes transparent area 111 and shading region
112, grating 11 has a point picture effect, as it is shown in figure 1, the left eye of people can be made to only see left eye
Image L, right eye only sees eye image R, thus produces stereoperception.
Due to the use of fixed grating, when display device is switched to 2D display, can lose at least
The resolution of half；And although liquid crystal grating can improve the resolution that 2D shows, but four layers
The structure of glass can make the thickness of whole device and weight be greatly increased.
Summary of the invention
For the defect of prior art, the present invention provides a kind of display floater and display packing, shows
Showing device, it is possible to solving the use thicker, colored filter of display device in prior art increases
The loss of luminous energy and the problem of increase power consumption.
First aspect, the invention provides a kind of display floater, including: include array arrangement
The backlight of multiple light-emitting components and be set in turn in the diffraction light of described backlight light emission side
Grid, light-diffusing films, array base palte, liquid crystal layer and polaroid；Wherein,
The white light that described backlight sends, through described diffraction grating light splitting, forms the base of multiple color
Coloured light；
The primary lights of described multiple color after described light-diffusing films dissipates, through described array base palte,
Liquid crystal layer and polaroid, the open area of outgoing to multiple pixel cells, think multiple pixel list
Unit provides the primary lights of described multiple color respectively.
Preferably, described display floater also includes the first controller；
Described first controller is used for controlling multiple light-emitting component and is turned on or off, bright to be formed
Striped between dark phase；
The light that the plurality of light-emitting component sends is through described diffraction grating so that described diffraction
In grating, multiple the first diffraction element separately are light transmission state, the first diffraction list separately
The second diffraction element between unit is light tight state, to form light and dark diffraction fringe figure
Case；
Through described first diffraction element light splitting light through in described liquid crystal layer separately the
One regulation unit is received by left eye, through the second regulation between the first regulation unit separately
Unit is received by right eye, shows realizing 3D；
Wherein, described first regulation unit output left-eye image GTG, described second regulation unit
Output eye image GTG.
Preferably, described display floater also includes second controller；
Described second controller is used for controlling the plurality of light-emitting component and is all turned on；
The light that each light-emitting component sends is corresponding with described light-emitting component in described diffraction grating
First diffraction element or the second diffraction element light splitting, form the primary lights of multiple color；
The primary lights of described multiple color the first regulation unit or second in described liquid crystal layer is adjusted
Joint unit is received by left eye and right eye, shows realizing 2D.
Preferably, described backlight is direct-light-type backlight.
Preferably, described diffraction grating is sine phase grating.
Preferably, described diffraction grating includes the diffraction element of multiple array arrangement；Each diffraction
Unit includes at least one grating pattern；
Wherein, the corresponding described diffraction element of each light-emitting component on described backlight；Institute
State the corresponding pixel cell of each grating pattern in diffraction element.
Preferably, each diffraction element includes multiple grating pattern；
In certain angle between the plurality of grating pattern so that through the light of each grating pattern light splitting
Line outgoing is to the pixel cell corresponding with described grating pattern.
Second aspect, the invention provides a kind of display based on any one display floater above-mentioned
Method, including:
The white light that backlight sends, through diffraction grating light splitting, forms the primary lights of multiple color；
The primary lights of described multiple color are after light-diffusing films dissipates, through array base palte, liquid crystal layer
And polaroid, the open area of outgoing to multiple pixel cells, think that multiple pixel cell is respectively
The primary lights of described multiple color are provided.
Preferably, described method also includes:
Control multiple light-emitting components in described backlight to be turned on or off, to be formed between bright dark phase
Striped；
The light that the plurality of light-emitting component sends is through described diffraction grating so that described diffraction
In grating, multiple the first diffraction element separately are light transmission state, the first diffraction list separately
The second diffraction element between unit is light tight state, to form light and dark diffraction fringe figure
Case；
Through described first diffraction element light splitting light through in described liquid crystal layer multiple separately
First regulation unit received by left eye, through separately first regulation unit between second
Regulation unit is received by right eye, shows realizing 3D；
Wherein, described first regulation unit output left-eye image GTG, described second regulation unit
Output eye image GTG.
Preferably, described method also includes:
Control multiple light-emitting components in described backlight to be all turned on；
The light that each light-emitting component sends is corresponding with described light-emitting component in described diffraction grating
First diffraction element or the second diffraction element light splitting, form the primary lights of multiple color；
The primary lights of described multiple color the first regulation unit or second in described liquid crystal layer is adjusted
Joint unit is received by left eye and right eye, shows realizing 2D.
Preferably, described method also includes:
When 3D shows, obtain the position of human eye of beholder；
The opening and closing of the plurality of light-emitting component are controlled, to control according to described position of human eye
Multiple diffraction element in described diffraction grating switch between light transmission state and light tight state, make
Must be received by left eye through the light of described first regulation unit, and through described second regulation
The light of unit is received by right eye.
The third aspect, the invention provides a kind of display device, including: above-mentioned any one shows
Show panel.
As shown from the above technical solution, the present invention provides a kind of display floater and display packing, shows
Showing device so that the white light that backlight sends, through diffraction grating light splitting, forms the base of multiple color
Coloured light, the primary lights of described multiple color after light-diffusing films dissipates, through be incident upon array base palte,
Liquid crystal layer and polaroid outgoing, to the open area of multiple pixel cells, think multiple pixel cell
The primary lights of described multiple color are provided respectively, it can be seen that, the present invention is by going out at backlight
Light side arranges diffraction grating and light scattering mould so that display floater need not lower polaroid and colour
Optical filter, so that display floater is more frivolous, and the light transmittance of colored filter only has
About 30%, therefore in the present invention without color film be designed to improve light efficiency, reduce power consumption.It addition,
By controlling being turned on and off of light-emitting component in backlight, it is possible to realize bore hole 3D show and
The switching that 2D shows.
Certainly, arbitrary product or the method for implementing the present invention it is not absolutely required to reach above simultaneously
Described all advantages.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below
The accompanying drawing used required in embodiment or description of the prior art will be briefly described, aobvious and
Easily insight, the accompanying drawing in describing below is only some embodiments of the present invention, for this area
From the point of view of those of ordinary skill, on the premise of not paying creative work, it is also possible to according to these
Figure obtains other accompanying drawing.
Fig. 1 is bore hole 3D display device of the prior art；
Fig. 2 is the structural representation of a kind of display floater that one embodiment of the invention provides；
Fig. 3 is the signal of a diffraction element in the diffraction grating that another embodiment of the present invention provides
Figure；
Fig. 4 is the light splitting schematic diagram of the diffraction element that another embodiment of the present invention provides；
Fig. 5 is the structural representation of a kind of diffraction grating that another embodiment of the present invention provides；
Fig. 6 is the diffusion schematic diagram of the light diffusing sheet that another embodiment of the present invention provides；
Fig. 7 is the schematic side view of a kind of display floater that another embodiment of the present invention provides；
Fig. 8 is the schematic top plan view of a kind of display floater that another embodiment of the present invention provides；
Fig. 9 is the schematic side view of a kind of display floater that another embodiment of the present invention provides；
Figure 10 is the schematic top plan view of the display floater shown in Fig. 9；
Figure 11 is the schematic top plan view of a kind of display floater that another embodiment of the present invention provides；
Figure 12 is the schematic flow sheet of a kind of display packing that one embodiment of the invention provides；
Description of symbols in Fig. 2-Figure 11: 1-backlight；2-diffraction grating；3-light diffusing sheet；4-
Array base palte；5-liquid crystal layer；6-polaroid；200-diffraction element.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical side in the embodiment of the present invention
Case is clearly and completely described, it is clear that described embodiment is only the present invention one
Divide embodiment rather than whole embodiments.Based on the embodiment in the present invention, this area is general
The every other embodiment that logical technical staff is obtained under not making creative work premise,
Broadly fall into the scope of protection of the invention.
Fig. 2 is the structural representation of a kind of display floater that one embodiment of the invention provides, such as Fig. 2
Shown in, this display floater includes: include multiple light-emitting components of array arrangement backlight 1, with
And it is set in turn in the diffraction grating 2 of described backlight 1 light emission side, light-diffusing films 3, array base
Plate 4, liquid crystal layer 5 and polaroid 6.
Wherein, the white light that described backlight 1 sends is through the light splitting of described diffraction grating 2, and formation is many
Plant the primary lights of color；The primary lights of described multiple color after described light-diffusing films 3 dissipates,
Through described array base palte 4, liquid crystal layer 5 and polaroid 6, the opening of outgoing to multiple pixel cells
Region, thinks that multiple pixel cells of this display floater provide the primary colours of described multiple color respectively
Light.
Specifically, backlight 1 sends white collimated light to diffraction grating 2, and diffraction grating 2
White collimated light can be carried out light splitting, obtain the primary lights of multiple color, such as, can get red
Coloured light, green light and blue light, i.e. RGB tri-coloured light.So, the present embodiment arranges diffraction light
Grid 2 can reduce the density of light-emitting component in backlight 1, and eliminates the use of colored filter,
Improve light extraction efficiency and reduce power consumption；Further, light-diffusing films 3 is to diffraction grating 2
The light of light emission side dissipates further so that light uniform in all directions, obtains
Wider visible angle；Battle array is sequentially passed through from the primary lights of the multiple color of scattering film 3 outgoing
The open area of row substrate 4, liquid crystal layer 5 and upper polarizing layer 6 outgoing extremely multiple pixel cells, from
And be display floater each pixel cell provide multiple color primary lights, thus save lower partially
Mating plate and colored filter, the thickness of display floater is substantially reduced.
It should be noted that the array base palte in the present embodiment includes the thin film being arranged on substrate
Transistor arrangement, pixel electrode, public electrode etc., then the electricity of the array base palte in the present embodiment
Electrode structure does not limits, and can be the electrode structure of the display patterns such as TN, IPS, VA, the present embodiment pair
This is not any limitation as.
As can be seen here, the present embodiment makes white light that backlight sends through diffraction grating light splitting, shape
Become multiple color primary lights, the primary lights of described multiple color after light-diffusing films dissipates, warp
Outgoing to array base palte, liquid crystal layer and polaroid outgoing to the open area of multiple pixel cells,
Think that multiple pixel cell provides the primary lights of described multiple color respectively, it can be seen that, this
Bright by arranging diffraction grating and light scattering mould in backlight light emission side so that display floater is not required to
Polaroid to be descended and colored filter, so that display floater is more frivolous, and colored filter
The light transmittance of mating plate only has about 30%, therefore in the present invention without color film be designed to improve light
Effect, reduces power consumption.
In an alternate embodiment of the present invention where, above-mentioned diffraction grating is sine phase grating.
Specifically, described sine phase grating can etch formation on back light source structure, it is possible to individually sets
Being placed between backlight and light-diffusing films, this is not any limitation as by the present embodiment.
In an alternate embodiment of the present invention where, described diffraction grating includes multiple array arrangement
Diffraction element；Each diffraction element includes at least one grating pattern.Wherein, described backlight
The corresponding described diffraction element of each light-emitting component on source；Each in described diffraction element
The corresponding pixel cell of grating pattern.
So, in the present embodiment, each diffraction element can include multiple grating pattern, sends out for i.e. one
The corresponding multiple grating patterns of optical element, the most each light-emitting component, after diffraction grating effect, can be
Multiple different pixel cells provide the primary lights of multiple different colours, such as RGB tri-coloured light, with
Realize colour display.The resolution of the design display device of this device architecture does not relies on backlight battle array
The density of row, thus reduce the cost of down straight aphototropism mode set.
Further, each diffraction element includes multiple grating pattern, the most the plurality of raster pattern
In certain angle between case so that through each grating pattern light splitting beam projecting to described grating
The pixel cell that pattern is corresponding.Thus, the grating pattern that each luminescence unit is corresponding is arranged not
Limit, makes emergent light be multiple angles outgoing and expire as long as multiple grating pattern shape is at a certain angle
Foot pixel composition structure.
Specifically, a diffraction in each light-emitting component correspondence diffraction grating in backlight module
Unit, each diffraction element includes N kind grating pattern, and wherein, N is oneself more than or equal to 1
So number.The most described diffraction grating is used for light splitting and adjusts the light direction of light, thus reduces backlight
The density of source array, with cost-effective.
For example, as a example by N=4, a diffraction element 200 as shown in Figure 3, this spreads out
Penetrate unit 200 and include 4 grating patterns, in certain folder between grating in 4 grating patterns
Angle, i.e. angle are different.The incident ray that light-emitting component sends is through described diffraction grating
After this diffraction element 200, in four angle outgoing, and by RGB tri-coloured light separately, such as Fig. 4
Shown in.The grating of whole diffraction grating 2 is arranged as shown in Figure 5, and (Fig. 5 is only schematic diagram, different
In the diffraction element that pixel cell is corresponding, grating angle also likely to be present difference, with specific reference to going out light
Direction is adjusted).Below the action principle of grating is illustrated.
If grating slope angle is θ in diffraction gratingG, grating constant is Λ, and grating length is L,
Thickness is d, then its complex amplitude projection coefficient t (rq) it is:
Wherein, JqRepresent q rank Bessel function of the first kind, i.e. q represents Bessel function of the first kind
Exponent number；U=1/ Λ, represents the spatial frequency of grating；rq=(αq,βq,γq) describe emergent light direction
Cosine；The intensity of emergent light is modulated by v=2 π Δ nd/ λ, and Δ n is grating refractive index, and λ is wavelength.
As can be seen here, sine phase grating can modulate the phase place of incident illumination, and direction cosines are
The incident illumination of (α, beta, gamma) is after sine phase grating, and its exit direction becomes (αq,βq,γq), it
There is between following relation:
From formula (2), the shooting angle of light and incident angle of light, grating constant and wavelength
λ is correlated with.Grating slope angle, θGDifference, the direction of light outgoing is the most different；When grating parameter determines
Time, wavelength X is different, and the exit positions of different colours light is different, therefore there will be as shown in Figure 4
Phenomenon.Because the light through grating outgoing is propagated only along a certain special angle, can for expanding
Depending on scope, add one layer of light-diffusing films in the device structure, make the light through grating outgoing exist
Each position is the most uniformly propagated, as shown in Figure 6.Reasonably adjust grating parameter,
(as a example by equally when N=4, light-diffusing films does not has can to form it into effect as shown in Figure 7
Represent in the drawings), it may be assumed that single luminescence unit, after diffraction grating effect, is four different pictures
Element unit provides the trichroism backlight of RGB, to realize colour display.The design of this device architecture makes to show
The resolution of showing device does not relies on the density of backlight array, thus reduces down straight aphototropism mode set
Cost.
Further, in an alternate embodiment of the present invention where, above-mentioned display floater also includes
First controller.
Specifically, described backlight includes multiple light-emitting components of array arrangement.Described first control
Device processed is for controlling being turned on or off of multiple light-emitting component, to form the striped between bright dark phase；
The light that the plurality of light-emitting component sends is through described diffraction grating so that described diffraction grating
In multiple the first diffraction element separately be light transmission state, the first diffraction element separately it
Between the second diffraction element be light tight state, to form light and dark diffraction fringe pattern；
Through the light of described first diffraction element light splitting through the first tune separately in described liquid crystal layer
Joint unit is received by left eye, through the second regulation unit between the first regulation unit separately
Received by right eye, show realizing 3D.Wherein, described first regulation unit output left-eye image
GTG, described second regulation unit output eye image GTG.
Specifically, backlight includes multiple light-emitting components of array arrangement, the plurality of luminous unit
Part is formed multiple rows of in the first direction, forms first direction and right and left eyes described in multiple row in a second direction
Line parallel；Diffraction grating includes multiple diffraction element of array arrangement, the plurality of diffraction
Unit formed in the first direction multiple rows of, in a second direction formed multiple rows of, an and diffraction element bag
Including N number of grating pattern, N is the natural number more than or equal to 1；Liquid crystal layer includes that multiple regulation is single
Unit, the plurality of regulation unit formed in the first direction multiple rows of, in a second direction formed multiple rows of,
Each package in a second direction includes multiple continuous print regulation unit group, each regulation unit group bag
Including two regulation unit, one is the first regulation unit, and another is the second regulation unit, often
The corresponding pixel cell of individual regulation unit.Wherein, corresponding one of each described light-emitting component spreads out
Penetrate unit, and in diffraction element, corresponding one of each grating pattern regulates unit, and then each light
The corresponding pixel cell of gate pattern.Then in the first controller controlling back light source multiple separately
The first light-emitting component open (closedown), and control between the first light-emitting component separately simultaneously
Second light-emitting component close (unlatching), to form the striped between bright dark phase.
For example, as shown in Figure 8, as N=1, the corresponding light of the most each luminescence unit
Gate pattern, corresponding 1 pixel cell of grating pattern.When 3D display need to be carried out, such as figure
Shown in 8, only open the light-emitting component of even column, and close the luminous source of odd column so that even number
Multiple first diffraction element in the diffraction grating 2 that row light-emitting component is corresponding are light transmission state, with
Carry out light splitting and obtain RGB tri-coloured light so that multiple second diffraction that odd column light-emitting component is corresponding
Unit is light tight state, as shown in Figure 8, thus forms light and dark diffraction pattern.This
Time, diffraction grating is equivalent to fixed grating so that through the RGB that the first diffraction element light splitting obtains
In liquid crystal layer described in trichroism light transmission separately first regulation unit M1 received by left eye, and
In liquid crystal layer described in the trichroism light transmission of RGB that first diffraction element light splitting obtains separately second
Regulation unit M2 is received by right eye.Wherein, described first regulation unit output left-eye image ash
Rank, described second regulation unit output eye image GTG.So so that adjacent two pixels
(Fig. 8 illustrate only the situation of the corresponding pixel cell of light-emitting component, and in backlight
One light-emitting component may corresponding N number of pixel) display content respectively by the left eye of beholder
Accepting with right eye, so that left eye only sees left view, right eye only sees right view；Work as left and right
When the picture that view shows exists minor differences, i.e. left-eye image GTG right eye and image gray-scale level is deposited
When minor differences, beholder just can experience the 3D effect that there is the depth of field.
For example, as N=4, Fig. 9 shows the display state side-looking signal of display floater
Figure, Figure 10 shows the display state schematic top plan view of display floater shown in Fig. 9.Such as Fig. 9 institute
Show, in each light-emitting component correspondence diffraction grating 2 on backlight 1 the 4 of a diffraction element
Individual grating pattern, a regulation unit in each grating pattern then corresponding liquid crystal layer 5, i.e.
One corresponding 4 pixel cell of light-emitting component.As upper left light-emitting component correspondence grating pattern a1,
A2, a3 and a4；And a1 correspondence regulation unit L1, a2 correspondence regulation unit L2, a3 is corresponding
Regulation unit L3, a4 correspondence regulation unit L4.
As shown in Figure 10, when 3D display need to be carried out, only open even column in backlight 1
Light-emitting component, and close the luminous source of odd column so that the diffraction that even column light-emitting component is corresponding
Multiple first diffraction element in grating 2 are light transmission state, and to carry out light splitting, to obtain RGB trichroism
Light so that multiple second diffraction element that odd column light-emitting component is corresponding are light tight state, from
And form light and dark diffraction pattern.As made the first diffraction that secondary series light-emitting component is corresponding
Grating a1, a2, a3 and a4 in unit is that (a3 and a4 shows light transmission state the most in Fig. 10
Go out), and light makes RGB tri-coloured light with four different angles through a1, a2, a3 and a4 light splitting
Degree outgoing to the first of liquid crystal layer 5 regulates unit L1, L2, L3 and L4, and (L3 and L4 does not exists
Shown in Figure 10), specifically, a1 light splitting makes RGB tri-coloured light by regulation unit L1 quilt
Left eye receives, and a2 light splitting makes RGB tri-coloured light be received by left eye by regulation unit L2, a3
Light splitting makes RGB tri-coloured light be received by left eye by regulation unit L3, and a4 light splitting makes RGB
Three coloured light are received by left eye by regulation unit L4.Correspondingly, a1, a2, a3 and a4 light splitting
RGB tri-coloured light is connect by right eye by the second regulation unit R 1, R2, R3 and R4 respectively
Receive.Wherein, described first regulation unit L1, L2, L3 and L4 exports left-eye image GTG,
Described second regulation unit R 1, R2, R3 and R4 export eye image GTG.So so that
The display content of adjacent eight pixels is only accepted by left eye and the right eye of beholder respectively, so that
Left eye only sees left view, and right eye only sees right view；The picture shown when left and right view exists
During minor differences, when i.e. there is minor differences in left-eye image GTG right eye and image gray-scale level, viewing
Person just can experience the 3D effect that there is the depth of field.
Further, in an alternate embodiment of the present invention where, described display floater also includes
Second controller.
Specifically, described backlight includes multiple light-emitting components of array arrangement；Described second control
Device processed is used for controlling the plurality of light-emitting component and is all turned on；The light warp that each light-emitting component sends
The first diffraction element corresponding with described light-emitting component in described diffraction grating or the second diffraction element
Light splitting, forms the primary lights of multiple color；The primary lights of described multiple color are through described liquid crystal layer
In first regulation unit or second regulation unit received by left eye and right eye, with realize 2D show
Show.
For example, as shown in figure 11, as N=1, the corresponding light of the most each luminescence unit
Gate pattern, corresponding 1 pixel cell of grating pattern.When 2D display need to be carried out, control
All light-emitting components on backlight 1 are opened, and the light that each light-emitting component sends is through described diffraction
The first diffraction element corresponding with described light-emitting component in grating or the second diffraction element light splitting, point
Xing Cheng RGB tri-coloured light.RGB tri-coloured light the first regulation unit in described liquid crystal layer is left
Eye and right eye receive, or the second regulation unit that RGB tri-coloured light is in described liquid crystal layer is left
Eye and right eye receive.So, when this display floater carries out 2D display, open all light-emitting components,
For the offer backlight of liquid crystal display device, thus realize colour picture and show, as shown in figure 11.
Therefore, not losing resolution when 2D shows, resolution is 2 times during 3D display, sees
See better.
Further, described display floater only needs when switching between 3D/2D display pattern
The backlight luminescence unit of off/on half.When carrying out 3D display, by detection people
Eye position, and it is automatically adjusted the open and-shut mode of different lines luminescence unit, can be achieved with people's ocular pursuit,
Need not artificially adjust viewing angle and distance.Owing to there is no colored filter and lower polaroid, device
The backlight utilization ratio of part is greatly promoted, and module thickness is reduced.
Preferably, described backlight can be direct-light-type backlight.Use direct-light-type backlight, 3D
It is easily achieved people's ocular pursuit during display, during 2D display, does not the most lose resolution.
Figure 12 is a kind of based on any one display floater above-mentioned of one embodiment of the invention offer
The schematic flow sheet of display packing, as shown in figure 12, the method comprises the steps:
The white light that S1: backlight sends, through diffraction grating light splitting, forms the primary lights of multiple color.
S2: the primary lights of described multiple color are after light-diffusing films dissipates, through array base palte, liquid
Crystal layer and polaroid, the open area of outgoing to multiple pixel cells, think the plurality of pixel
Unit provides the primary lights of described multiple color respectively.
The present embodiment makes white light that backlight sends through diffraction grating light splitting, forms multiple color
Primary lights, the primary lights of described multiple color are after light-diffusing films dissipates, and outgoing is to battle array successively
Row substrate, liquid crystal layer and polaroid, think that multiple pixel cell provides described multiple color respectively
Primary lights, it can be seen that, the present invention is by arranging diffraction grating and light in backlight light emission side
Scattering mould so that display floater need not lower polaroid and colored filter, so that display
Panel is more frivolous, and the light transmittance of colored filter only has about 30%, the therefore present invention
Middle without color film be designed to improve light efficiency, reduce power consumption.
Further, in an alternate embodiment of the present invention where, described method also includes as follows
Step:
A01, control multiple light-emitting components in described backlight and be turned on or off, with formed bright secretly
Alternate striped；
The light that A02, the plurality of light-emitting component send is through described diffraction grating so that described
In diffraction grating, multiple the first diffraction element separately are light transmission state, and first separately spreads out
Penetrating the second diffraction element between unit is light tight state, to form light and dark diffraction bar
Stricture of vagina pattern；
A03, through the light of described first diffraction element light splitting through multiple phases in described liquid crystal layer
The first regulation unit at interval is received by left eye, between the first regulation unit separately
Second regulation unit is received by right eye, shows realizing 3D.
Wherein, described first regulation unit output left-eye image GTG, described second regulation unit
Output eye image GTG.
Further, in an alternate embodiment of the present invention where, described method also includes as follows
Step:
B01, control multiple light-emitting components in described backlight and be all turned on；
The light that B02, each light-emitting component send in described diffraction grating with described light-emitting component pair
The first diffraction element answered or the second diffraction element light splitting, form the primary lights of multiple color；
B03, the primary lights first regulation unit or the in described liquid crystal layer of described multiple color
Two regulation unit are received by left eye and right eye, show realizing 2D.
Preferably, except each step in above-described embodiment, described method may also include following step
Rapid:
C01, when 3D shows, obtain beholder position of human eye；
C02, according to described position of human eye control the plurality of light-emitting component opening and closing, with
The multiple diffraction element controlled in described diffraction grating are cut between light transmission state and light tight state
Change so that the light through described first regulation unit is received by left eye, and through described the
The light of two regulation unit is received by right eye.
So, when carrying out 3D display, by detection position of human eye, and it is automatically adjusted different lines
The open and-shut mode of luminescence unit, can be achieved with people's ocular pursuit, it is not necessary to artificial adjust viewing angle and
Distance.Owing to not having colored filter and lower polaroid, the backlight utilization ratio of device is greatly promoted,
And module thickness is reduced.
Based on same inventive concept, one embodiment of the invention provides a kind of display device, bag
Include: any one display floater above-mentioned.This display device can be: display panels, hands
Machine, panel computer, television set, notebook computer, DPF, navigator etc. are any to be had
The product of display function or parts.This display device is owing to including any one display device above-mentioned
Display device, thus same technical problem can be solved, and obtain identical technique effect.
In describing the invention, it should be noted that term " on ", the instruction such as D score
Orientation or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of and retouch
State the present invention and simplify description rather than instruction or imply that the device of indication or element must have
Specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the present invention's
Limit.Unless otherwise clearly defined and limited, term " install ", " being connected ", " connection "
Should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or one
Body ground connects；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, also
Can be indirectly connected to by intermediary, can be the connection of two element internals.For ability
For the those of ordinary skill in territory, above-mentioned term can be understood as the case may be in the present invention
Concrete meaning.
Also, it should be noted in this article, the relational terms of such as first and second or the like
It is used merely to separate an entity or operation with another entity or operating space, and differs
Provisioning request or imply and there is the relation of any this reality or suitable between these entities or operation
Sequence.And, term " includes ", " comprising " or its any other variant are intended to non-exclusive
Comprising, so that include the process of a series of key element, method, article or equipment not of property
Only include those key elements, but also include other key elements being not expressly set out, or also wrap
Include the key element intrinsic for this process, method, article or equipment.There is no more restriction
In the case of, statement " including ... " key element limited, it is not excluded that described in including
The process of key element, method, article or equipment there is also other identical element.
Above example only in order to technical scheme to be described, is not intended to limit；Although
With reference to previous embodiment, the present invention is described in detail, those of ordinary skill in the art
It is understood that the technical scheme described in foregoing embodiments still can be modified by it,
Or wherein portion of techniques feature is carried out equivalent；And these amendments or replacement, not
The essence making appropriate technical solution departs from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (12)
1. a display floater, it is characterised in that including: include multiple luminescences of array arrangement
The backlight of element and be set in turn in the diffraction grating of described backlight light emission side, light dissipates
Penetrate film, array base palte, liquid crystal layer and polaroid；Wherein,
The white light that described backlight sends, through described diffraction grating light splitting, forms the base of multiple color
Coloured light；
The primary lights of described multiple color after described light-diffusing films dissipates, through described array base palte,
Liquid crystal layer and polaroid, the open area of outgoing to multiple pixel cells, think the plurality of picture
Element unit provides the primary lights of described multiple color respectively.
Display floater the most according to claim 1, it is characterised in that described display floater
Also include the first controller；
Described first controller is used for controlling multiple light-emitting component and is turned on or off, bright to be formed
Striped between dark phase；
The light that the plurality of light-emitting component sends is through described diffraction grating so that described diffraction
In grating, multiple the first diffraction element separately are light transmission state, the first diffraction list separately
The second diffraction element between unit is light tight state, to form light and dark diffraction fringe figure
Case；
Through described first diffraction element light splitting light through in described liquid crystal layer separately the
One regulation unit is received by left eye, through the second regulation between the first regulation unit separately
Unit is received by right eye, shows realizing 3D；
Wherein, described first regulation unit output left-eye image GTG, described second regulation unit
Output eye image GTG.
Display floater the most according to claim 1, it is characterised in that described display floater
Also include second controller；
Described second controller is used for controlling the plurality of light-emitting component and is all turned on；
The light that each light-emitting component sends is corresponding with described light-emitting component in described diffraction grating
First diffraction element or the second diffraction element light splitting, form the primary lights of multiple color；
The primary lights of described multiple color the first regulation unit or second in described liquid crystal layer is adjusted
Joint unit is received by left eye and right eye, shows realizing 2D.
Display floater the most according to claim 1, it is characterised in that described backlight is
Direct-light-type backlight.
Display floater the most according to claim 1, it is characterised in that described diffraction grating
For sine phase grating.
Display floater the most according to claim 1, it is characterised in that described diffraction grating
Diffraction element including multiple array arrangements；Each diffraction element includes at least one grating pattern；
Wherein, the corresponding described diffraction element of each light-emitting component on described backlight；Institute
State the corresponding pixel cell of each grating pattern in diffraction element.
Display floater the most according to claim 6, it is characterised in that each diffraction element
Including multiple grating patterns；
In certain angle between the plurality of grating pattern so that through the light of each grating pattern light splitting
Line outgoing is to the pixel cell corresponding with described grating pattern.
8. a display packing based on the display floater according to any one of claim 1～7,
It is characterized in that, including:
The white light that backlight sends, through diffraction grating light splitting, forms the primary lights of multiple color；
The primary lights of described multiple color are after light-diffusing films dissipates, through array base palte, liquid crystal layer
And polaroid, the open area of outgoing to multiple pixel cells, think the plurality of pixel cell
The primary lights of described multiple color are provided respectively.
Display packing the most according to claim 8, it is characterised in that described method is also wrapped
Include:
Control multiple light-emitting components in described backlight to be turned on or off, to be formed between bright dark phase
Striped；
The light that the plurality of light-emitting component sends is through described diffraction grating so that described diffraction
In grating, multiple the first diffraction element separately are light transmission state, the first diffraction list separately
The second diffraction element between unit is light tight state, to form light and dark diffraction fringe figure
Case；
Through described first diffraction element light splitting light through in described liquid crystal layer multiple separately
First regulation unit received by left eye, through separately first regulation unit between second
Regulation unit is received by right eye, shows realizing 3D；
Wherein, described first regulation unit output left-eye image GTG, described second regulation unit
Output eye image GTG.
Display packing the most according to claim 8, it is characterised in that described method is also
Including:
Control multiple light-emitting components in described backlight to be all turned on；
The light that each light-emitting component sends is corresponding with described light-emitting component in described diffraction grating
First diffraction element or the second diffraction element light splitting, form the primary lights of multiple color；
The primary lights of described multiple color the first regulation unit or second in described liquid crystal layer is adjusted
Joint unit is received by left eye and right eye, shows realizing 2D.
11. display packings according to claim 9, it is characterised in that described method is also
Including:
When 3D shows, obtain the position of human eye of beholder；
The opening and closing of the plurality of light-emitting component are controlled, to control according to described position of human eye
Multiple diffraction element in described diffraction grating switch between light transmission state and light tight state, make
Must be received by left eye through the light of described first regulation unit, and through described second regulation
The light of unit is received by right eye.
12. 1 kinds of display devices, it is characterised in that including: as arbitrary in claim 1～7
Display floater described in Xiang.
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| CN201610420740.XA CN105842925A (en) | 2016-06-13 | 2016-06-13 | Display panel, display method and display device |
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Application publication date: 20160810 |