CN110133909A - 3D display device and terminal device - Google Patents
3D display device and terminal device Download PDFInfo
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- CN110133909A CN110133909A CN201910327342.7A CN201910327342A CN110133909A CN 110133909 A CN110133909 A CN 110133909A CN 201910327342 A CN201910327342 A CN 201910327342A CN 110133909 A CN110133909 A CN 110133909A
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Classifications
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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
- 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
- G02F1/133528—Polarisers
-
- 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
- G02F1/133617—Illumination with ultraviolet light; Luminescent elements or materials associated to the cell
-
- 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
- G02F1/133528—Polarisers
- G02F1/133531—Polarisers characterised by the arrangement of polariser or analyser axes
-
- 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
- G02F1/133528—Polarisers
- G02F1/133548—Wire-grid polarisers
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
This application discloses a kind of 3D display device and terminal devices, belong to field of display technology.The 3D display device carries out color presentation using quantum stippling film, so that the colour gamut that 3D display device is shown is wider, the color of display is more abundant.Using the application, it is relatively narrow effectively to solve the colour gamut that 3D display device in the related technology is shown, the not abundant technical problem of the color of display.
Description
Technical field
This application involves field of display technology, in particular to a kind of 3D display device and terminal device.
Background technique
With the development of technology and application, the terminal device with 3D display function also progresses into consumption market.Currently,
The 3D display technology of mainstream includes polarization type 3D display technology.
The 3D display device that polarization type 3D display technology uses in the related technology, carrying out color using organic dyestuff coloured silk film is in
It is existing.
During realizing the application, inventor find the relevant technologies the prior art has at least the following problems:
3D display device in the related technology due to use organic dyestuff coloured silk film carry out color presentation so that display
Colour gamut is relatively narrow, and the color of display does not enrich.
Summary of the invention
In order to solve technical problem present in the relevant technologies, the embodiment of the present application provides a kind of 3D display device.
The embodiment of the present application provides a kind of 3D display device, and 3D display device includes the backlight module of sequence setting
(A1), quantum stippling film (A2), the first wire grating polarization layer (A3), pixel electrode layer (A4), liquid crystal layer (A5) and the second gold medal
Belong to wire grid polarization layer (A6).
Wherein, 3D display device is properly termed as 3 d display device again.
So-called sequence setting refers to above-mentioned each component according to the setting that puts in order in sentence, i.e. quantum stippling film (A2)
Before backlight module (A1), the first wire grating polarization layer (A3) is before quantum stippling film (A2), pixel electrode layer (A4)
Before the first wire grating polarization layer (A3), liquid crystal layer (A5) is before pixel electrode layer (A4), the second wire grating polarization
Layer (A6) is before liquid crystal layer (A5).In the case where this sequence is arranged, the light amount of sequentially passing through of backlight module (A1) sending
Sub- stippling film (A2), the first wire grating polarization layer (A3), pixel electrode layer (A4), liquid crystal layer (A5) and the second wire grating are inclined
It shakes layer (A6).
Backlight module (A1) can be by the uniform directive liquid crystal layer (A5) of light.Backlight module (A1) is to provide light in display device
The membrane material in source combines, including a variety of optical film materials such as reflector plate, light guide plate, diffusion sheet and bright enhancement film etc..Backlight module (A1) can
To be side entrance back module, i.e., the illuminating source in backlight module (A1) is arranged in the side of backlight module, what light source issued
Light injects the light guide plate in backlight module from side, reflexes to liquid crystal layer through the light guide plate.Backlight module (A1) can also be straight
Lower backlight type backlight module, i.e. illuminating source are arranged in backlight module front, and the light that light source issues is emitted directly toward liquid crystal layer.It can
Choosing, illuminating source can be blue-ray LED.
Quantum stippling film (A2) is that the color prepared by quanta point material and high molecular material converts film.Quanta point material is
Can luminescence generated by light nano-scale semiconductor material, extraneous short wavelength light irradiation under, capable of emitting visible light, sending can
Light-exposed wavelength can be regulated and controled by the size and material of quantum dot.Quantum stippling film (A2) can be by red, green, blue quantum dot
Material, photoresist and necessary additive are constituted.Quanta point material includes but is not limited to CdSe, CdTe, ZnS and InP etc..Photoetching
Glue is transparent material.Necessary additive includes but is not limited to diffusion particle and quantum dot-photoresist coupling agent, quantum dot-light
Photoresist coupling agent can link together quantum dot particle with photoetching xanthan molecule by chemical bond, to improve quantum dot in light
Stability in photoresist system.The mixed proportion of quantum dot and photoresist can optimize as needed, guarantee quantum stippling film
(A2) there are higher absorption efficiency, and color conversion efficiency with higher, i.e., outer quantum effect to backlight module (A1) light issued
Rate.Redgreenblue quantum dot in quantum stippling film (A2) is alternately arranged, the corresponding pixel of every redgreenblue quantum dot
Unit.In the cross-section structure of quantum stippling film (A2), redgreenblue quantum dot is alternately arranged, and black matrix" (A204) can prevent
The mutual colour contamination of redgreenblue quantum dot, influences the clarity of color image.
First wire grating polarization layer (A3) and the second wire grating polarization layer (A6) can respectively include a metal wire
Grid polarizer.Metallic wire grid polarizer is the wire grid construction being fabricated to by metal material, and the material of metallic wire grid polarizer includes
But it is not limited to Al, Cu, Ag, Au and Cr, the modes such as nano impression, etching and transfer can be used and process.Metallic wire grid polarizer can
Reflection direction is parallel to the polarised light in wiregrating direction, and transmission polarization direction is perpendicular to the polarised light in wiregrating direction.Metal
The thickness of wire-grid polarizer is less than 200um, and the spacing and wiregrating depth between wiregrating can be according to the wavelength of redgreenblue light
It optimizes, to guarantee that there is highest extinction ratio to redgreenblue light.First wire grating polarization layer (A3) can be made
Make on quantum stippling film (A2).Counnter attack can be set far from the side of liquid crystal layer (A5) in the second wire grating polarization layer (A6)
Layer is penetrated, to reduce reflection of the second wire grating polarization layer (A6) to external environmental light.
Pixel electrode layer (A4), for controlling the state of the liquid crystal in liquid crystal layer (A5), to control through liquid crystal layer
(A5) light.Liquid crystal is provided in liquid crystal layer (A5).
Scheme shown in the embodiment of the present application, 3D display device provided by the embodiments of the present application do not use organic dyestuff
Color film, but quantum stippling film is used to carry out color presentation.Organic coloured silk film can only do filter coating use, but quantum stippling film (A2)
Luminescence generated by light can be achieved, by the excitation of back light, the higher monochromatic light of quantum stippling film (A2) capable of emitting excitation purity can be shown
It writes and promotes the colour gamut that 3D display device is shown, keep the color of display richer.
Also, often use polaroid different as polarization element from 3D display device in the related technology, the application is real
The 3D display device for applying example offer does not use polaroid, but uses the first wire grating polarization layer (A3) and the second metal wire
Grid polarization layer (A6), as polarization element.Due to the first wire grating polarization layer (A3) and the second wire grating polarization layer (A6)
It is relatively thin, so 3D display device provided by the embodiments of the present application is applicable not only to the large-scale display equipment such as TV, apply also for hand
The mobile terminals such as machine, 3D display device provided by the embodiments of the present application will not make the thickness of mobile terminal larger, so that
The portability of these mobile terminals is preferable.
In one possible implementation, the first wire grating polarization layer (A3) includes multiple first polarized regions
(A301) staggeredly divide with multiple second polarized regions (A302), the first polarized regions (A301) and the second polarized regions (A302)
Cloth, the polarization direction of the first polarized regions (A301) and the polarization direction of the second polarized regions (A302) are orthogonal.Second gold medal
Belonging to wire grid polarization layer (A6) includes multiple third polarized regions (A601) and multiple 4th polarized regions (A602), and third polarizes area
Domain (A601) is interspersed with the 4th polarized regions (A602), the polarization direction of third polarized regions (A601) and the 4th polarization area
The polarization direction in domain (A602) is orthogonal.
Multiple first polarized regions (A301) are corresponding with the position of multiple third polarized regions (A601) respectively, Duo Ge
Two polarized regions (A302) are corresponding with the position of multiple 4th polarized regions (A602) respectively, the first polarized regions (A301)
Polarization direction and the polarization direction of third polarized regions (A601) are orthogonal, the polarization direction of the second polarized regions (A302) with
The polarization direction of 4th polarized regions (A602) is orthogonal.
Wherein, it is interspersed and refers on same wire grating polarization layer, the polarization direction of two adjacent polarized regions
Mutually perpendicular distribution mode.In the case where being interspersed, the first polarized regions of any two (A301), any two second
Polarized regions (A302), any two third polarized regions (A601) or the 4th polarized regions (A602) of any two not phase
It is adjacent.
Multiple first polarized regions (A301) respectively it is corresponding with the position of multiple third polarized regions (A601) refer to it is suitable
The direction of light that issues of backlight module (A1) look, multiple first polarized regions (A301) respectively with multiple third polarized regions
(A601) light that position is opposite namely backlight module (A1) issues sequentially passes through the first polarized regions (A301) and third polarizes
Region (A601).
Multiple second polarized regions (A302) respectively it is corresponding with the position of multiple 4th polarized regions (A602) refer to it is suitable
The direction of light that issues of backlight module (A1) look, multiple second polarized regions (A302) respectively with multiple 4th polarized regions
(A602) light that position is opposite namely backlight module (A1) issues sequentially passes through the second polarized regions (A302) and the 4th inclined
It shakes region (A602).
First wire grating polarization layer (A3) and the second wire grating polarization layer (A6) can be arranged inclined by array-like
Shake region composition, and each polarized regions can correspond to a pixel unit, on same wire grating polarization layer, adjacent two
The polarization direction of a polarized regions orthogonal (the i.e. polarization direction of the first polarized regions (A301) and the second polarized regions
(A302) polarization direction is vertical, the polarization side of the polarization direction of third polarized regions (A601) and the 4th polarized regions (A602)
To vertically).On the first wire grating polarization layer (A3) and the second wire grating polarization layer (A6), corresponding same pixel unit position
The polarization direction for the polarized regions set also orthogonal (the i.e. polarization direction of the first polarized regions (A301) and third polarized regions
(A601) polarization direction is vertical, the polarization side of the polarization direction of the second polarized regions (A302) and the 4th polarized regions (A602)
To vertically).
First wire grating polarization layer (A3) and the second wire grating polarization layer (A6) can also be by alternately arranged strips
Shape polarized regions form, and on the position corresponding to strip polarized regions, multiple pixel units are arranged in one group, in same gold
Belong on wire grid polarization layer, orthogonal (i.e. the first polarized regions (A301) in the polarization direction of two neighboring strip polarized regions
Polarization direction it is vertical with the polarization direction of the second polarized regions (A302), the polarization direction of third polarized regions (A601) and the
The polarization direction of four polarized regions (A602) is vertical).In the first wire grating polarization layer (A3) and the second wire grating polarization layer
(A6) on, the polarization direction of the polarized regions of corresponding same group of pixel unit position is also orthogonal, (i.e. the first polarized regions
(A301) polarization direction is vertical with the polarization direction of third polarized regions (A601), the polarization side of the second polarized regions (A302)
The polarization direction of tetra- polarized regions of Xiang Yu (A602) is vertical).
Scheme shown in the embodiment of the present application, the following institute of the displaying principle of 3D display device provided by the embodiments of the present application
Show, shows two groups of images (i.e. left-eye image and eye image), the first wire grating polarization layer (A3) simultaneously in 3D display device
In multiple third polarized regions (A601) in multiple first polarized regions (A301) and the second wire grating polarization layer (A6), it is right
The pixel unit answered can show first group of image, multiple second polarized regions in the first wire grating polarization layer (A3)
(A302) multiple 4th polarized regions (A602) and in the second wire grating polarization layer (A6), corresponding pixel unit can be equal
Second group of image is shown, since each polarized regions in the first wire grating polarization layer (A3) and the second metal polarization layer (A6) are inclined
Vibration direction is specifically designed, so that the polarization direction of first group of image light and the polarization direction of second group of image light are hung down mutually
Directly.Left-eye image light may be implemented only in the 3D glasses for penetrating different polarization direction light respectively with the use of two eyeglasses again
Into left eye, the light of eye image only enters right eye, so that people can experience 3D effect.
In one possible implementation, 3D display device further includes the first alignment film (A7) and the second alignment film
(A8).First alignment film (A7) is arranged between pixel electrode layer (A4) and liquid crystal layer (A5), and the second alignment film (A8) setting exists
Between liquid crystal layer (A5) and the second wire grating polarization layer (A6).
Scheme shown in the embodiment of the present application is based on the first alignment film (A7) and the second alignment film (A8), liquid crystal layer (A5)
In liquid crystal have a pre-arrangement, to avoid the mixed and disorderly unordered of liquid crystal in liquid crystal layer (A5).
In one possible implementation, 3D display device further includes the first flatness layer (A9) and the second flatness layer
(A10).First flatness layer (A9) is arranged between the first wire grating polarization layer (A3) and pixel electrode layer (A4), and second is flat
Layer (A10) is arranged between the second alignment film (A8) and the second wire grating polarization layer (A6).
Wherein, the first flatness layer (A9) and the second flatness layer (A10) can be made by insulating materials.
Scheme shown in the embodiment of the present application, the first flatness layer (A9) are arranged on the first wire grating polarization layer (A3),
Second flatness layer (A10) is arranged on the second wire grating polarization layer (A6), makes the first wire grating polarization layer (A3) respectively
With second wire grating polarization layer (A6) surfacing.To which the first alignment film (A7) and pixel electrode layer (A4) can be successively
It is produced on the first flatness layer (A9), the second alignment film (A8) can be produced on the second flatness layer (A10).
In one possible implementation, 3D display device further includes the first transparent substrate (A11) and the second transparent base
Plate (A12).First transparent substrate (A11) is arranged between backlight module (A1) and quantum stippling film (A2), the second transparent substrate
(A12) side opposite with the second flatness layer (A10) in the second wire grating polarization layer (A6) is set.
Wherein, the first transparent substrate (A11) and the second transparent substrate (A12) can be glass substrate, or high score
Sub- flexible base board.
Scheme shown in the embodiment of the present application, quantum stippling film (A2) can be set on the first transparent substrate (A11), tool
The manufacture craft of body includes but is not limited to printing, inkjet printing and photoetching etc..First transparent substrate (A11) and the second transparent substrate
(A12) by packaged types such as gluings, each hierarchical structure between the two is packaged into 3D display device, and it is anti-to provide water resistant oxygen
Shield.
In one possible implementation, 3D display device further includes quarter wave plate (A13), quarter wave plate (A13) setting
In any side of the second transparent substrate (A12).
Wherein, quarter wave plate (A13) is certain thickness birefringent monocrystalline thin slice, when linearly polarized light vertical incidence quarter wave plate
(A13) after, become elliptically polarized light after outgoing.Quarter wave plate (A13) can be made of organic material or inorganic material, quarter wave plate
(A13) thickness and material parameter can be determined according to the wavelength of selected redgreenblue light.
Scheme shown in the embodiment of the present application, quarter wave plate (A13) can be set any one in the second transparent substrate (A12)
The surface of side.Correspondingly, the second metallic wire grid polarizer can be produced on quarter wave plate (A13), second can also be produced on thoroughly
On bright substrate (A12).
The visual angle of 3D display device can be made wider by adding quarter wave plate (A13).The light that backlight module (A1) issues
After the second wire grating polarization layer (A6), it is converted into linearly polarized light, if linearly polarized light is directly emitted at this time, it will cause
The visual angle of 3D display device is relatively narrow, when people's image that 3D display device is shown from side, the display effect observed compared with
Difference, and after adding quarter wave plate (A13), linearly polarized light is converted for elliptically polarized light, so that the visual angle of 3D display device is compared
Extensively, when people's image that 3D display device is shown from side, the display effect observed is preferable.
The embodiment of the present application provides a kind of 3D display device, and 3D display device includes multiple pixel units, each pixel
Unit includes luminescent layer (B1) and wire grating polarization layer (B2), wherein wire grating polarization layer (B2) has the first polarization side
To or the second polarization direction, the first polarization direction and the second polarization direction are orthogonal, per two adjacent pixel unit packets
One of them in the wire grating polarization layer (B2) included has the first polarization direction, another has the second polarization direction.
Wherein, multiple pixel units can be disconnected from each other, also can connect into an entirety.
Each pixel unit may include a pixel, and each pixel is by three sub-pix groups of RGB at 3D is aobvious
Pixel unit in showing device can arrange in array-like.
Each pixel unit can also include multiple pixels, and each pixel is by three sub-pix groups of RGB at 3D
Pixel unit in display device elongated can be arranged alternately, for example, the pixel group of every a line in 3D display device
At a pixel unit, the pixel that do not go together belongs to different pixel units, the metal wire in two adjacent pixel units
Grid polarization layer (B2) has different polarization directions.
Luminescent layer (B1) can be quantum dot light emitting layer or organic luminous layer, can also be Micro-LED.
Wire grating polarization layer (B2) includes metallic wire grid polarizer.Metallic wire grid polarizer is to be fabricated to by metal material
Wire grid construction, the material of metallic wire grid polarizer includes but is not limited to Al, Cu, Ag, Au and Cr, and nano impression can be used, carve
The modes such as erosion and transfer are processed.Metallic wire grid polarizer can reflection direction be parallel to the polarised light in wiregrating direction, and transmit
Polarised light of the polarization direction perpendicular to wiregrating direction.The thickness of metallic wire grid polarizer is less than 200um, spacing between wiregrating and
Wiregrating depth can be optimized according to the wavelength of redgreenblue light, to guarantee to disappear to redgreenblue light with highest
Light ratio.Anti-reflection layer can be set far from the side of luminescent layer (B1) at wire grating polarization layer (B2), to reduce metal wire
Reflection of the grid polarization layer (B2) to external environmental light.
Wire grating polarization layer (B2) can be an entire metallic wire grid polarizer, be also possible to entire wire grating polarization
A part of device.
Wire grating polarization layer (B2) can be directly produced on luminescent layer (B1), can also be bonded in luminescent layer (B1)
On.
Scheme shown in the embodiment of the present application, the following institute of the displaying principle of 3D display device provided by the embodiments of the present application
It states, shows two groups of images (i.e. left-eye image and eye image) simultaneously on 3D display device, the picture with the first polarization direction
Plain unit can show first group of image, and the pixel unit with the second polarization direction can show second group of image, by
It is orthogonal in the first polarization direction and the second polarization direction, so that the polarization direction of first group of image light and second group
The polarization direction of image light is orthogonal.Penetrate the 3D eye of different polarization direction light respectively with the use of two eyeglasses again
Mirror may be implemented left-eye image light and only enter left eye, and the light of eye image only enters right eye, so that people can feel
By 3D effect.
The characteristics of due to luminescent layer (B1) itself, it is aobvious can be obviously improved 3D for 3D display device provided by the embodiments of the present application
The colour gamut that showing device is shown keeps the color of display richer.
Also, often use polaroid different as polarization element from 3D display device in the related technology, the application is real
The 3D display device for applying example offer does not use polaroid, but uses wire grating polarization layer (B2), as polarization element.By
It is relatively thin in wire grating polarization layer (B2), so 3D display device provided by the embodiments of the present application is applicable not only to the large sizes such as TV
It shows equipment, applies also for the mobile terminals such as mobile phone, 3D display device provided by the embodiments of the present application will not make mobile terminal
Thickness it is larger so that the portability of these mobile terminals is preferable.
3D display device provided by the embodiments of the present application, can also realize a degree of folding, so as to apply
Flexible 3D display field.
In one possible implementation, luminescent layer (B1) is quantum dot light emitting layer, organic luminous layer or Micro-
LED。
In one possible implementation, each pixel unit further includes quarter wave plate (B3), quarter wave plate (B3) setting
In the side of wire grating polarization layer (B2) far from luminescent layer (B1).
Wherein, quarter wave plate (B3) is certain thickness birefringent monocrystalline thin slice, when linearly polarized light vertical incidence quarter wave plate
(B3) after, become elliptically polarized light after outgoing.Quarter wave plate (B3) can be made of organic material or inorganic material, quarter wave plate
(B3) thickness and material parameter can be determined according to the wavelength of selected redgreenblue light.
Scheme shown in the embodiment of the present application can make the visual angle of 3D display device more by adding quarter wave plate (B3)
Extensively.The light that luminescent layer (B1) issues is converted into linearly polarized light, if linearly polarized light at this time after wire grating polarization layer (B2)
Directly it is emitted, it will cause the visual angle of 3D display device is relatively narrow, when people's image that 3D display device is shown from side from, sight
The display effect observed is poor, and after adding quarter wave plate (B3), linearly polarized light is converted for elliptically polarized light, so that 3D is aobvious
The visual angle of showing device is wider, and when people's image that 3D display device is shown from side, the display effect observed is preferable.
In one possible implementation, when luminescent layer (B1) is quantum dot light emitting layer or organic luminous layer, each
Pixel unit further include: substrate (B4), insulating layer (B5) and transparent substrate (B6), substrate (B4) setting are separate in luminescent layer (B1)
The side of wire grating polarization layer (B2), insulating layer (B5) are arranged between luminescent layer (B1) and wire grating polarization layer (B2),
Transparent substrate (B6) setting is in the side of wire grating polarization layer (B2) far from luminescent layer (B1).
Wherein, organic luminous layer includes but is not limited to that hole transmission layer, electron transfer layer, transparent electrode and RGB are organic
Material layer.Quantum dot light emitting layer includes but is not limited to hole transmission layer, electron transfer layer, transparent electrode and RGB quantum dot material
The bed of material.
Substrate (B4) can be transparent substrate, be also possible to opaque substrate.Substrate (B4) can be glass substrate, can also
To be polymeric substrate.Transparent substrate (B6) can be glass substrate, be also possible to polymeric substrate.
Scheme shown in the embodiment of the present application, insulating layer (B5) are arranged in luminescent layer (B1) and wire grating polarization layer (B2)
Between.By the way that insulating layer (B5) is arranged, can prevent metal in wire grating polarization layer (B2) interfere quantum dot light emitting layer or
Organic luminous layer.Substrate (B4) and transparent substrate (B6) are sealed each hierarchical structure between the two by packaged types such as gluings
Pixel unit is dressed up, and the protection of water resistant oxygen is provided.In substrate (B4) and transparent substrate (B6) encapsulation process, it is ensured that metal wire
Grid polarization layer (B2) is corresponding with the position of luminescent layer (B1).
In one possible implementation, when luminescent layer (B1) is Micro-LED, each pixel unit further includes
Bright optical cement (B7), transparent optical cement (B7) are arranged between luminescent layer (B1) and wire grating polarization layer (B2).
Wherein, luminescent layer (B1) includes at least the Micro-LED chip of redgreenblue.
Scheme shown in the embodiment of the present application, by transparent optical cement (B7) by luminescent layer (B1) and wire grating polarization layer
(B2) it bonds together.
In one possible implementation, when luminescent layer (B1) is Micro-LED, multiple pixel units divide mutually
From each pixel unit further include: flatness layer (B8), flatness layer (B8) are located at luminescent layer (B1) and wire grating polarization layer (B2)
Between.
Wherein, luminescent layer (B1) includes at least the Micro-LED chip of redgreenblue.Each wire grating polarization layer
It (B2) is a metallic wire grid polarizer.
Flatness layer (B8) can be vaporized on luminescent layer (B1), and wire grating polarization layer (B2) can be vaporized on flatness layer
(B8) on.
Flatness layer (B8), metal wire has can be set in scheme shown in the embodiment of the present application on each luminescent layer (B1)
Grid polarizer is produced on flatness layer (B8), is based on flatness layer (B8), the surface of luminescent layer (B1) is more smooth, and wire grating is inclined
Vibration device is more easier with luminescent layer (B1) production together.
The arrangement mode of metallic wire grid polarizer is that the polarization direction of two neighboring metallic wire grid polarizer is orthogonal.
In 3D display device provided by the embodiments of the present application, each independent metallic wire grid polarizer and independent luminescent layer
(B1) production is packaged together, and constitutes independent pixel unit one by one, solves the metal wire of luminescent layer (B1) and large area
The problem of grid polarization layer (B2) contraposition, thus when 3D display device provided by the embodiments of the present application is applied in field of flexible display
When, in the bent state, luminescent layer (B1) and wire grating polarization layer (B2) still have more accurate contraposition, thus in bending
Still 3D display function can be preferably realized under state.Also, because do not reapply the continuous metallic wire grid polarizer of full wafer, institute
It can accomplish bigger crimpness with this programme, Mechanical Reliability and curling service life are also more preferable.
The embodiment of the present application provides a kind of terminal device, which includes any of the above-described 3D display dress
It sets.
Wherein, which can be the fixed terminals such as desktop computer, TV, be also possible to mobile phone, tablet computer,
The mobile terminals such as notebook, the terminal device use any of the above-described 3D display device to be shown as display unit.
Technical solution provided by the embodiments of the present application has the benefit that
3D display device provided by the embodiments of the present application does not use organic dyestuff coloured silk film, but uses quantum stippling film
Carry out color presentation.Organic coloured silk film can only do filter coating use, but luminescence generated by light can be achieved in quantum stippling film (A2), passes through backlight
The excitation of light source, the higher monochromatic light of quantum stippling film (A2) capable of emitting excitation purity, can be obviously improved what 3D display device was shown
Colour gamut keeps the color of display richer.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of 3D display device provided by the embodiments of the present application；
Fig. 2 is a kind of schematic diagram of 3D display device provided by the embodiments of the present application；
Fig. 3 is a kind of schematic diagram of 3D display device provided by the embodiments of the present application；
Fig. 4 is a kind of schematic diagram of 3D display device provided by the embodiments of the present application；
Fig. 5 is a kind of schematic diagram of 3D display device provided by the embodiments of the present application；
Fig. 6 is a kind of schematic diagram of 3D display device provided by the embodiments of the present application；
Fig. 7 is the diagrammatic cross-section of quantum stippling film (A2) provided by the embodiments of the present application；
Fig. 8 is a kind of schematic diagram of 3D display device provided by the embodiments of the present application；
Fig. 9 is a kind of schematic diagram of 3D display device provided by the embodiments of the present application；
Figure 10 is a kind of schematic diagram of 3D display device provided by the embodiments of the present application；
Figure 11 is a kind of schematic diagram of 3D display device provided by the embodiments of the present application；
Figure 12 is a kind of schematic diagram of 3D display device provided by the embodiments of the present application；
Figure 13 is a kind of schematic diagram of 3D display device provided by the embodiments of the present application；
Figure 14 is a kind of schematic diagram of 3D display device provided by the embodiments of the present application；
Figure 15 is a kind of schematic diagram of 3D display device provided by the embodiments of the present application；
Figure 16 is a kind of schematic diagram of 3D display device provided by the embodiments of the present application；
Figure 17 is a kind of schematic diagram of 3D display device provided by the embodiments of the present application；
Marginal data
In Fig. 1-Fig. 7: A1, backlight module, A2, quantum stippling film, A3, the first wire grating polarization layer, A4, pixel electricity
Pole layer, A5, liquid crystal layer, A6, the second wire grating polarization layer, A7, the first alignment film, A8, the second alignment film are A9, first flat
Layer, A10, the second flatness layer, A11, the first transparent substrate, A12, the second transparent substrate, A13, quarter wave plate, A201, blue quantum
Point, A202, red quantum dot, A203, green quantum dot, A204, black shading matrix, A301, the first polarized regions, A302,
Second polarized regions, A601, third polarized regions, A602, the 4th polarized regions.
In Fig. 8-Figure 17: B1, luminescent layer, B2, wire grating polarization layer, B3, quarter wave plate, B4, substrate, B5, insulation
Layer, B6, transparent substrate, B7, transparent optical cement, B8, flatness layer.
Specific embodiment
The embodiment of the present application provides 3D display device, which can be based on liquid crystal display (Liquid
Crystal Display, LCD) 3D display device, be also possible to based on Organic Light Emitting Diode (Organic Light
Emitting Diode, OLED) or light emitting diode with quantum dots (Quantum-dot Light Emitting Diode, QLED)
3D display device, can also be based on small light emitting diode (Micro Light Emitting Diode, Micro-LED)
3D display device.The 3D display device can be applied on the fixed terminals such as TV, can also apply mobile eventually in mobile phone etc.
On end, the light of sending is divided into two kinds of differences by wire grating polarization layer by 3D display device provided by the embodiments of the present application
The beam projecting of polarization direction, while cooperating 3D display reception device (such as 3D glasses), it is different inclined to realize that right and left eyes receive respectively
The light in vibration direction, to realize 3D display function.
The embodiment of the present application provides a kind of 3D display device, and as depicted in figs. 1 and 2,3D display device includes that sequence is set
Backlight module (A1), quantum stippling film (A2), the first wire grating polarization layer (A3), pixel electrode layer (A4), liquid crystal layer set
(A5) and the second wire grating polarization layer (A6).
Wherein, 3D display device can be described as 3 d display device again.
Backlight module (A1) can be by the uniform directive liquid crystal layer (A5) of light.Backlight module (A1) is to provide light in display device
The membrane material in source combines, including a variety of optical film materials such as reflector plate, light guide plate, diffusion sheet and bright enhancement film etc..Backlight module (A1) can
To be side entrance back module, i.e., the illuminating source in backlight module (A1) is arranged in the side of backlight module, what light source issued
Light injects the light guide plate in backlight module from side, reflexes to liquid crystal layer through the light guide plate.Backlight module (A1) can also be straight
Lower backlight type backlight module, i.e. illuminating source are arranged in backlight module front, and the light that light source issues is emitted directly toward liquid crystal layer.It can
Choosing, illuminating source can be blue-ray LED.
Quantum stippling film (A2) is that the color prepared by quanta point material and high molecular material converts film.Quanta point material is
Can luminescence generated by light nano-scale semiconductor material, extraneous short wavelength light irradiation under, capable of emitting visible light, sending can
Light-exposed wavelength can be regulated and controled by the size and material of quantum dot.Quantum stippling film (A2) can be by red, green, blue quantum
Point material, photoresist and necessary additive are constituted.Quanta point material includes but is not limited to CdSe, CdTe, ZnS and InP etc..Light
Photoresist is transparent material.Necessary additive includes but is not limited to diffusion particle and quantum dot-photoresist coupling agent, quantum dot-
Photoresist coupling agent can link together quantum dot particle with photoetching xanthan molecule by chemical bond, exist to improve quantum dot
Stability in photoresist system.The mixed proportion of quantum dot and photoresist can optimize as needed, guarantee quantum stippling
The light that film (A2) issues backlight module (A1) has higher absorption efficiency, and color conversion efficiency with higher, i.e., outer quantum
Efficiency.Redgreenblue quantum dot in quantum stippling film (A2) is alternately arranged, the corresponding picture of every redgreenblue quantum dot
Plain unit.The cross-section structure of quantum stippling film (A2) is as shown in fig. 7, redgreenblue quantum dot is alternately arranged, black matrix"
(A204) the mutual colour contamination of redgreenblue quantum dot can be prevented, the clarity of color image is influenced.
First wire grating polarization layer (A3) and the second wire grating polarization layer (A6) can respectively include a metal wire
Grid polarizer.Metallic wire grid polarizer is the wire grid construction being fabricated to by metal material, and the material of metallic wire grid polarizer includes
But it is not limited to Al, Cu, Ag, Au and Cr, the modes such as nano impression, etching and transfer can be used and process.Metallic wire grid polarizer can
Reflection direction is parallel to the polarised light in wiregrating direction, and transmission polarization direction is perpendicular to the polarised light in wiregrating direction.Metal
The thickness of wire-grid polarizer is less than 200um, and the spacing and wiregrating depth between wiregrating can be according to the wavelength of redgreenblue light
It optimizes, to guarantee that there is highest extinction ratio to redgreenblue light.First wire grating polarization layer (A3) can be made
Make on quantum stippling film (A2).Counnter attack can be set far from the side of liquid crystal layer (A5) in the second wire grating polarization layer (A6)
Layer is penetrated, to reduce reflection of the second wire grating polarization layer (A6) to external environmental light.
Pixel electrode layer (A4), for controlling the state of the liquid crystal in liquid crystal layer (A5), to control through liquid crystal layer
(A5) light.Liquid crystal is provided in liquid crystal layer (A5).
Scheme shown in the embodiment of the present application, 3D display device provided by the embodiments of the present application do not use organic dyestuff
Color film, but quantum stippling film is used to carry out color presentation.Organic coloured silk film can only do filter coating use, but quantum stippling film (A2)
Luminescence generated by light can be achieved, by the excitation of back light, the higher monochromatic light of quantum stippling film (A2) capable of emitting excitation purity can be shown
It writes and promotes the colour gamut that 3D display device is shown, keep the color of display richer.In addition, the back light in backlight module (A1) can
Using blue-ray LED.
Also, often use polaroid different as polarization element from 3D display device in the related technology, the application is real
The 3D display device for applying example offer does not use polaroid, but uses the first wire grating polarization layer (A3) and the second metal wire
Grid polarization layer (A6), as polarization element.Due to the first wire grating polarization layer (A3) and the second wire grating polarization layer (A6)
It is relatively thin, so 3D display device provided by the embodiments of the present application is applicable not only to the large-scale display equipment such as TV, apply also for hand
The mobile terminals such as machine, 3D display device provided by the embodiments of the present application will not make the thickness of mobile terminal larger, so that
The portability of these mobile terminals is preferable.
In one possible implementation, as depicted in figs. 1 and 2, the first wire grating polarization layer (A3) includes multiple
First polarized regions (A301) and multiple second polarized regions (A302), the first polarized regions (A301) and the second polarized regions
(A302) it is interspersed, the polarization direction of the first polarized regions (A301) and the polarization direction of the second polarized regions (A302) are mutual
Vertically.Second wire grating polarization layer (A6) includes multiple third polarized regions (A601) and multiple 4th polarized regions
(A602), third polarized regions (A601) are interspersed with the 4th polarized regions (A602), third polarized regions (A601) it is inclined
Vibration direction and the polarization direction of the 4th polarized regions (A602) are orthogonal.
Multiple first polarized regions (A301) are corresponding with the position of multiple third polarized regions (A601) respectively, Duo Ge
Two polarized regions (A302) are corresponding with the position of multiple 4th polarized regions (A602) respectively, the first polarized regions (A301)
Polarization direction and the polarization direction of third polarized regions (A601) are orthogonal, the polarization direction of the second polarized regions (A302) with
The polarization direction of 4th polarized regions (A602) is orthogonal.
Wherein, it is interspersed and refers on same wire grating polarization layer, the polarization direction of two adjacent polarized regions
Mutually perpendicular distribution mode.In the case where being interspersed, the first polarized regions of any two (A301), any two second
Polarized regions (A302), any two third polarized regions (A601) or the 4th polarized regions (A602) of any two not phase
It is adjacent.
Multiple first polarized regions (A301) respectively it is corresponding with the position of multiple third polarized regions (A601) refer to it is suitable
The direction of light that issues of backlight module (A1) look, multiple first polarized regions (A301) respectively with multiple third polarized regions
(A601) light that position is opposite namely backlight module (A1) issues sequentially passes through the first polarized regions (A301) and third polarizes
Region (A601).
Multiple second polarized regions (A302) respectively it is corresponding with the position of multiple 4th polarized regions (A602) refer to it is suitable
The direction of light that issues of backlight module (A1) look, multiple second polarized regions (A302) respectively with multiple 4th polarized regions
(A602) light that position is opposite namely backlight module (A1) issues sequentially passes through the second polarized regions (A302) and the 4th inclined
It shakes region (A602).
First wire grating polarization layer (A3) and the second wire grating polarization layer (A6) can be arranged inclined by array-like
Shake region composition, as shown in Figure 1, each polarized regions can correspond to a pixel unit, in same wire grating polarization layer
On, orthogonal (the i.e. polarization direction and second of the first polarized regions (A301) in the polarization direction of two adjacent polarized regions
The polarization direction of polarized regions (A302) is vertical, the polarization direction of third polarized regions (A601) and the 4th polarized regions (A602)
Polarization direction it is vertical).On the first wire grating polarization layer (A3) and the second wire grating polarization layer (A6), corresponding same picture
The polarization direction of the polarized regions of plain cell position also orthogonal (the i.e. polarization direction of the first polarized regions (A301) and third
The polarization direction of polarized regions (A601) is vertical, the polarization direction of the second polarized regions (A302) and the 4th polarized regions (A602)
Polarization direction it is vertical).First wire grating polarization layer (A3) and the second wire grating polarization layer (A6) can also be by alternately arranging
The strip polarized regions of column form, as shown in Fig. 2, on the position corresponding to strip polarized regions, multiple pixel units
It is arranged in one group, on same wire grating polarization layer, the polarization direction of two neighboring strip polarized regions is orthogonal (i.e.
The polarization direction of first polarized regions (A301) is vertical with the polarization direction of the second polarized regions (A302), third polarized regions
(A601) polarization direction is vertical with the polarization direction of the 4th polarized regions (A602)).In the first wire grating polarization layer (A3)
On the second wire grating polarization layer (A6), the polarization direction of the polarized regions of corresponding same group of pixel unit position is also hung down mutually
Directly, (i.e. the polarization direction of the first polarized regions (A301) is vertical with the polarization direction of third polarized regions (A601), the second polarization
The polarization direction in region (A302) is vertical with the polarization direction of the 4th polarized regions (A602)).
Scheme shown in the embodiment of the present application, the following institute of the displaying principle of 3D display device provided by the embodiments of the present application
Show, shows two groups of images (i.e. left-eye image and eye image), the first wire grating polarization layer (A3) simultaneously in 3D display device
In multiple third polarized regions (A601) in multiple first polarized regions (A301) and the second wire grating polarization layer (A6), it is right
The pixel unit answered can show first group of image, multiple second polarized regions in the first wire grating polarization layer (A3)
(A302) multiple 4th polarized regions (A602) and in the second wire grating polarization layer (A6), corresponding pixel unit can be equal
Second group of image is shown, since each polarized regions in the first wire grating polarization layer (A3) and the second metal polarization layer (A6) are inclined
Vibration direction is specifically designed, so that the polarization direction of first group of image light and the polarization direction of second group of image light are hung down mutually
Directly.Left-eye image light may be implemented only in the 3D glasses for penetrating different polarization direction light respectively with the use of two eyeglasses again
Into left eye, the light of eye image only enters right eye, so that people can experience 3D effect.
In one possible implementation, as shown in figure 3,3D display device further includes the first alignment film (A7) and second
Alignment film (A8).First alignment film (A7) is arranged between pixel electrode layer (A4) and liquid crystal layer (A5), the second alignment film (A8)
It is arranged between liquid crystal layer (A5) and the second wire grating polarization layer (A6).
Scheme shown in the embodiment of the present application is based on the first alignment film (A7) and the second alignment film (A8), liquid crystal layer (A5)
In liquid crystal have a pre-arrangement, to avoid the mixed and disorderly unordered of liquid crystal in liquid crystal layer (A5).
In one possible implementation, as shown in figure 4,3D display device further includes the first flatness layer (A9) and second
Flatness layer (A10).First flatness layer (A9) is arranged between the first wire grating polarization layer (A3) and pixel electrode layer (A4), the
Two flatness layers (A10) are arranged between the second alignment film (A8) and the second wire grating polarization layer (A6).
Wherein, the first flatness layer (A9) and the second flatness layer (A10) can be made by insulating materials.
Scheme shown in the embodiment of the present application, the first flatness layer (A9) are arranged on the first wire grating polarization layer (A3),
Second flatness layer (A10) is arranged on the second wire grating polarization layer (A6), makes the first wire grating polarization layer (A3) respectively
With second wire grating polarization layer (A6) surfacing.To which the first alignment film (A7) and pixel electrode layer (A4) can be successively
It is produced on the first flatness layer (A9), the second alignment film (A8) can be produced on the second flatness layer (A10).
In one possible implementation, as shown in figure 5,3D display device further include the first transparent substrate (A11) and
Second transparent substrate (A12).First transparent substrate (A11) is arranged between backlight module (A1) and quantum stippling film (A2), the
The side opposite with the second flatness layer (A10) in the second wire grating polarization layer (A6) is arranged in two transparent substrates (A12).
Wherein, the first transparent substrate (A11) and the second transparent substrate (A12) can be glass substrate, or high score
Sub- flexible base board.
Scheme shown in the embodiment of the present application, quantum stippling film (A2) can be set on the first transparent substrate (A11), tool
The manufacture craft of body includes but is not limited to printing, inkjet printing and photoetching etc..First transparent substrate (A11) and the second transparent substrate
(A12) by packaged types such as gluings, each hierarchical structure between the two is packaged into 3D display device, and it is anti-to provide water resistant oxygen
Shield.In the first transparent substrate (A11) and the second transparent substrate (A12) encapsulation process, it is ensured that the first wire grating polarization layer
(A3) polarized regions in are corresponding with each corresponding position of polarized regions in the second wire grating polarization layer (A6).
In one possible implementation, as shown in fig. 6,3D display device further includes quarter wave plate (A13), quarter wave plate
(A13) it is arranged in any side of the second transparent substrate (A12).
Wherein, quarter wave plate (A13) is certain thickness birefringent monocrystalline thin slice, when linearly polarized light vertical incidence quarter wave plate
(A13) after, become elliptically polarized light after outgoing.Quarter wave plate (A13) can be made of organic material or inorganic material, quarter wave plate
(A13) thickness and material parameter can be determined according to the wavelength of selected redgreenblue light.
Scheme shown in the embodiment of the present application, quarter wave plate (A13) can be set any one in the second transparent substrate (A12)
The surface of side.Correspondingly, the second metallic wire grid polarizer can be produced on quarter wave plate (A13), second can also be produced on thoroughly
On bright substrate (A12).
The visual angle of 3D display device can be made wider by adding quarter wave plate (A13).The light that backlight module (A1) issues
After the outgoing of the second wire grating polarization layer (A6), it is converted into linearly polarized light, it, can if linearly polarized light is directly emitted at this time
Cause the visual angle of 3D display device relatively narrow, when people's image that 3D display device is shown from side, the display effect observed
Fruit is poor, and after adding quarter wave plate (A13), linearly polarized light is converted for elliptically polarized light, so that the visual angle of 3D display device
Compare wide, when people's image that 3D display device is shown from side, the display effect observed is preferable.
The embodiment of the present application provides a kind of 3D display device, and as shown in Figure 8 and Figure 9,3D display device includes multiple pictures
Plain unit, each pixel unit include luminescent layer (B1) and wire grating polarization layer (B2), wherein wire grating polarization layer (B2)
With the first polarization direction or the second polarization direction, the first polarization direction and the second polarization direction are orthogonal, per adjacent
One of them in the wire grating polarization layer (B2) that two pixel units include has the first polarization direction, another has second
Polarization direction.
Wherein, multiple pixel units can be disconnected from each other, also can connect into an entirety.
Each pixel unit may include a pixel, and each pixel is by three sub-pix groups of RGB at 3D is aobvious
Pixel unit in showing device can arrange in array-like.
Each pixel unit can also include multiple pixels, and each pixel is by three sub-pix groups of RGB at 3D
Pixel unit in display device elongated can be arranged alternately, for example, the pixel group of every a line in 3D display device
At a pixel unit, the pixel that do not go together belongs to different pixel units, the metal wire in two adjacent pixel units
Grid polarization layer (B2) has different polarization directions.
Luminescent layer (B1) can be quantum dot light emitting layer or organic luminous layer, can also be Micro-LED array.
Wire grating polarization layer (B2) includes metallic wire grid polarizer.Metallic wire grid polarizer is to be fabricated to by metal material
Wire grid construction, the material of metallic wire grid polarizer includes but is not limited to Al, Cu, Ag, Au and Cr, and nano impression can be used, carve
The modes such as erosion and transfer are processed.Metallic wire grid polarizer can reflection direction be parallel to the polarised light in wiregrating direction, and transmit
Polarised light of the polarization direction perpendicular to wiregrating direction.The thickness of metallic wire grid polarizer is less than 200um, spacing between wiregrating and
Wiregrating depth can be optimized according to the wavelength of redgreenblue light, to guarantee to disappear to redgreenblue light with highest
Light ratio.Anti-reflection layer can be set far from the side of luminescent layer (B1) at wire grating polarization layer (B2), to reduce metal wire
Reflection of the grid polarization layer (B2) to external environmental light.
Wire grating polarization layer (B2) can be an entire metallic wire grid polarizer, be also possible to entire wire grating polarization
A part of device.
Wire grating polarization layer (B2) can also include multiple metallic wire grid polarizers, at this time each first polarized regions
(B201) or the second polarized regions (B202) can be a metallic wire grid polarizer respectively.
Wire grating polarization layer (B2) can be directly produced on luminescent layer (B1), can also be bonded in luminescent layer (B1)
On.
Scheme shown in the embodiment of the present application, the following institute of the displaying principle of 3D display device provided by the embodiments of the present application
It states, shows two groups of images (i.e. left-eye image and eye image) simultaneously on 3D display device, the picture with the first polarization direction
Plain unit can show first group of image, and the pixel unit with the second polarization direction can show second group of image, by
It is orthogonal in the first polarization direction and the second polarization direction, so that the polarization direction of first group of image light and second group
The polarization direction of image light is orthogonal.Penetrate the 3D eye of different polarization direction light respectively with the use of two eyeglasses again
Mirror may be implemented left-eye image light and only enter left eye, and the light of eye image only enters right eye, so that people can feel
By 3D effect.
The characteristics of due to luminescent layer (B1) itself, it is aobvious can be obviously improved 3D for 3D display device provided by the embodiments of the present application
The colour gamut that showing device is shown keeps the color of display richer.
Also, often use polaroid different as polarization element from 3D display device in the related technology, the application is real
The 3D display device for applying example offer does not use polaroid, but uses wire grating polarization layer (B2), as polarization element.By
It is relatively thin in wire grating polarization layer (B2), so 3D display device provided by the embodiments of the present application is applicable not only to the large sizes such as TV
It shows equipment, applies also for the mobile terminals such as mobile phone, 3D display device provided by the embodiments of the present application will not make mobile terminal
Thickness it is larger so that the portability of these mobile terminals is preferable.
Also, 3D display device provided by the embodiments of the present application, can also realize a degree of folding, so as to answer
Used in flexible 3D display field.
In one possible implementation, luminescent layer (B1) is quantum dot light emitting layer, organic luminous layer or Micro-
LED。
In one possible implementation, as shown in Figure 10, each pixel unit further includes quarter wave plate (B3), 1/4 wave
Piece (B3) setting is in the side of wire grating polarization layer (B2) far from luminescent layer (B1).
Wherein, quarter wave plate (B3) is certain thickness birefringent monocrystalline thin slice, when linearly polarized light vertical incidence quarter wave plate
(B3) after, become elliptically polarized light after outgoing.Quarter wave plate (B3) can be made of organic material or inorganic material, quarter wave plate
(B3) thickness and material parameter can be determined according to the wavelength of selected redgreenblue light.
Scheme shown in the embodiment of the present application can make 3D display fill by adding quarter wave plate (B3) as shown in Figure 10
The visual angle set is wider.The light that luminescent layer (B1) issues is converted into linearly polarized light after wire grating polarization layer (B2), if this
When linearly polarized light be directly emitted, it will cause the visual angle of 3D display device is relatively narrow, people's 3D display device from side is shown
Image when, the display effect observed is poor, and after adding quarter wave plate (B3), and linearly polarized light is converted for elliptical polarization
Light, so that the visual angle of 3D display device is wider, when people's image that 3D display device is shown from side, that observes is aobvious
Show that effect is preferable.
It in one possible implementation, as shown in figure 11, is quantum dot light emitting layer or organic hair at luminescent layer (B1)
When photosphere, each pixel unit further include: substrate (B4), insulating layer (B5) and transparent substrate (B6), substrate (B4) setting are being sent out
Side of the photosphere (B1) far from wire grating polarization layer (B2), insulating layer (B5) setting are polarized in luminescent layer (B1) and wire grating
Between layer (B2), transparent substrate (B6) setting is in the side of wire grating polarization layer (B2) far from luminescent layer (B1).
Wherein, organic luminous layer includes but is not limited to that hole transmission layer, electron transfer layer, transparent electrode and RGB are organic
Material layer.Quantum dot light emitting layer includes but is not limited to hole transmission layer, electron transfer layer, transparent electrode and RGB quantum dot material
The bed of material.
Substrate (B4) can be transparent substrate, be also possible to opaque substrate.Substrate (B4) can be glass substrate, can also
To be polymeric substrate.Transparent substrate (B6) can be glass substrate, be also possible to polymeric substrate.
Scheme shown in the embodiment of the present application, as shown in figure 11, insulating layer (B5) are arranged in luminescent layer (B1) and metal wire
Between grid polarization layer (B2).By the way that insulating layer (B5) is arranged, the metal interference volume in wire grating polarization layer (B2) can be prevented
Son point luminescent layer or organic luminous layer.Substrate (B4) and transparent substrate (B6), will between the two by packaged types such as gluings
Each hierarchical structure encapsulates pixel unit, and provides the protection of water resistant oxygen.In substrate (B4) and transparent substrate (B6) encapsulation process,
Guarantee that metal wire grid polarization layer (B2) is corresponding with the position of luminescent layer (B1).
As shown in figure 12,3D display device provided by the embodiments of the present application further includes quarter wave plate (B3).Quarter wave plate (B3)
The either side in transparent substrate (B6) can be set, correspondingly, wire grating polarization layer (B2) can be set in transparent substrate
(B6) it on, also can be set on quarter wave plate (B3).
In one possible implementation, as shown in figure 13, when luminescent layer (B1) is Micro-LED, each pixel
Unit further includes transparent optical cement (B7), transparent optical cement (B7) setting luminescent layer (B1) and wire grating polarization layer (B2) it
Between.
Wherein, luminescent layer (B1) includes at least the Micro-LED chip of redgreenblue.
Scheme shown in the embodiment of the present application, as shown in figure 13, by transparent optical cement (B7) by luminescent layer (B1) and gold
Belong to wire grid polarization layer (B2) to bond together.During the bonding process, it is ensured that the polarized regions in wire grating polarization layer (B2)
It is corresponding with the position of Micro-LED pixel unit.
As shown in figure 14,3D display device provided by the embodiments of the present application can also include quarter wave plate (B3) and substrate
(B4), luminescent layer (B1) can be set on substrate (B4), i.e., Micro-LED array is arranged on substrate (B4), quarter wave plate
(B3) it can be pasted by transparent optical cement (B7) in Micro-LED array surface.
In one possible implementation, as shown in figure 15, when luminescent layer (B1) is Micro-LED, multiple pixels
Unit is disconnected from each other, each pixel unit further include: flatness layer (B8), flatness layer (B8) are located at luminescent layer (B1) and wire grating
Between polarization layer (B2).
Wherein, luminescent layer (B1) includes at least the Micro-LED chip of redgreenblue.Each wire grating polarization layer
It (B2) is a metallic wire grid polarizer.
Flatness layer (B8) can be vaporized on luminescent layer (B1), and wire grating polarization layer (B2) can be vaporized on flatness layer
(B8) on.
Scheme shown in the embodiment of the present application, as shown in figure 15, production has a wire grating inclined on each Micro-LED
Shake device, and specific structure can be found in the microstructure in left side in Figure 15, and redgreenblue Micro-LED arrangements of chips is at one
Flatness layer (B8) has can be set in Micro-LED on each Micro-LED, and metallic wire grid polarizer is produced on flatness layer
(B8) it on, is based on flatness layer (B8), the surface of Micro-LED is more smooth, and metallic wire grid polarizer can be with Micro-LED more
Add readily production together.
The main view of 3D display device is as shown in figure 16, it can be seen that the polarization direction of two neighboring metallic wire grid polarizer
It is orthogonal.
As shown in figure 17,3D display device provided by the embodiments of the present application can also include substrate (B4) and quarter wave plate
(B3), luminescent layer (B1) can be set on substrate (B4), i.e. Micro-LED is arranged on substrate (B4), and quarter wave plate (B3) can
To be pasted by transparent optical cement on the surface Micro-LED.
In 3D display device provided by the embodiments of the present application, each independent metallic wire grid polarizer and independent luminescent layer
(B1) production is packaged together, and constitutes independent pixel unit one by one, solves the metal wire of luminescent layer (B1) and large area
The problem of grid polarization layer (B2) contraposition, thus when 3D display device provided by the embodiments of the present application is applied in field of flexible display
When, in the bent state, luminescent layer (B1) and wire grating polarization layer (B2) still have more accurate contraposition, thus in bending
Still 3D display function can be preferably realized under state.Also, because do not reapply the continuous metallic wire grid polarizer of full wafer, institute
It can accomplish bigger crimpness with this programme, Mechanical Reliability and curling service life are also more preferable.
The embodiment of the present application provides a kind of terminal device, which includes mentioned-above any 3D display dress
It sets.
Wherein, which can be the fixed terminals such as desktop computer, TV, be also possible to mobile phone, tablet computer,
The mobile terminals such as notebook, the terminal device use any of the above-described 3D display device to be shown as display unit.
The foregoing is merely the application one embodiment, all within the principle of the application not to limit the application,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this application.
Claims (13)
1. a kind of 3D display device, which is characterized in that the 3D display device includes the backlight module (A1) of sequence setting, quantum
Stippling film (A2), the first wire grating polarization layer (A3), pixel electrode layer (A4), liquid crystal layer (A5) and the second wire grating polarization
Layer (A6).
2. 3D display device according to claim 1, which is characterized in that the first wire grating polarization layer (A3) includes
Multiple first polarized regions (A301) and multiple second polarized regions (A302), first polarized regions (A301) and described the
Two polarized regions (A302) are interspersed, the polarization direction of first polarized regions (A301) and second polarized regions
(A302) polarization direction is orthogonal；
The second wire grating polarization layer (A6) includes multiple third polarized regions (A601) and multiple 4th polarized regions
(A602), the third polarized regions (A601) are interspersed with the 4th polarized regions (A602), and the third polarizes area
The polarization direction in domain (A601) and the polarization direction of the 4th polarized regions (A602) are orthogonal；
Multiple first polarized regions (A301) are corresponding with the position of multiple third polarized regions (A601) respectively, more
A second polarized regions (A302) are corresponding with the position of multiple 4th polarized regions (A602) respectively, and described first
The polarization direction of polarized regions (A301) and the polarization direction of the third polarized regions (A601) are orthogonal, and described second partially
The polarization direction of vibration region (A302) and the polarization direction of the 4th polarized regions (A602) are orthogonal.
3. 3D display device according to claim 1, which is characterized in that the 3D display device further includes the first alignment film
(A7) and the second alignment film (A8)；
First alignment film (A7) is arranged between the pixel electrode layer (A4) and the liquid crystal layer (A5), and described second matches
It is arranged between the liquid crystal layer (A5) and the second wire grating polarization layer (A6) to film (A8).
4. 3D display device according to claim 3, which is characterized in that the 3D display device further includes the first flatness layer
(A9) and the second flatness layer (A10)；
First flatness layer (A9) setting the first wire grating polarization layer (A3) and the pixel electrode layer (A4) it
Between, second flatness layer (A10) setting second alignment film (A8) and the second wire grating polarization layer (A6) it
Between.
5. 3D display device according to claim 4, which is characterized in that the 3D display device further includes the first transparent base
Plate (A11) and the second transparent substrate (A12)；
First transparent substrate (A11) is arranged between the backlight module (A1) and the quantum stippling film (A2), described
One far from second flatness layer (A10) in the second wire grating polarization layer (A6) is arranged in second transparent substrate (A12)
Side.
6. 3D display device according to claim 5, which is characterized in that the 3D display device further includes quarter wave plate
(A13), the quarter wave plate (A13) is arranged in any side of second transparent substrate (A12).
7. a kind of 3D display device, which is characterized in that the 3D display device includes multiple pixel units, each pixel unit packet
Include luminescent layer (B1) and wire grating polarization layer (B2), in which:
The wire grating polarization layer (B2) have the first polarization direction or the second polarization direction, first polarization direction with
Second polarization direction is orthogonal, wherein one in the wire grating polarization layer (B2) for including per two adjacent pixel units
A to have the first polarization direction, another has the second polarization direction.
8. 3D display device according to claim 1, which is characterized in that the luminescent layer (B1) be quantum dot light emitting layer,
Organic luminous layer or Micro-LED.
9. 3D display device according to claim 1, which is characterized in that each pixel unit further include:
Quarter wave plate (B3), quarter wave plate (B3) setting is in the wire grating polarization layer (B2) far from the luminescent layer (B1)
Side.
10. 3D display device according to claim 1, which is characterized in that the luminescent layer (B1) be quantum dot light emitting
When layer or organic luminous layer, each pixel unit further include:
Substrate (B4), insulating layer (B5) and transparent substrate (B6), substrate (B4) setting is at the luminescent layer (B1) far from institute
The side of wire grating polarization layer (B2) is stated, insulating layer (B5) setting is inclined in the luminescent layer (B1) and the wire grating
It shakes between layer (B2), transparent substrate (B6) setting is in the wire grating polarization layer (B2) far from the luminescent layer (B1)
Side.
11. 3D display device according to claim 1, which is characterized in that the luminescent layer (B1) be Micro-LED
When, the pixel unit further include:
Transparent optical cement (B7), the transparent optical cement (B7) are arranged in the luminescent layer (B1) and the wire grating polarization layer
(B2) between.
12. 3D display device according to claim 1, which is characterized in that the luminescent layer (B1) be Micro-LED
When, the multiple pixel unit is disconnected from each other, each pixel unit further include:
Flatness layer (B8), the flatness layer (B8) is between the luminescent layer (B1) and the wire grating polarization layer (B2).
13. a kind of terminal device, which is characterized in that the terminal device includes the described in any item 3D of claim 1 to 12 aobvious
Showing device.
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Application publication date: 20190816 |