CN110166763B - Polarizing structure, 3D display device and 3D display system - Google Patents
Polarizing structure, 3D display device and 3D display system Download PDFInfo
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- CN110166763B CN110166763B CN201910554337.XA CN201910554337A CN110166763B CN 110166763 B CN110166763 B CN 110166763B CN 201910554337 A CN201910554337 A CN 201910554337A CN 110166763 B CN110166763 B CN 110166763B
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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
- G02F1/1343—Electrodes
- G02F1/134309—Electrodes characterised by their geometrical arrangement
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/332—Displays for viewing with the aid of special glasses or head-mounted displays [HMD]
- H04N13/337—Displays for viewing with the aid of special glasses or head-mounted displays [HMD] using polarisation multiplexing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N13/00—Stereoscopic video systems; Multi-view video systems; Details thereof
- H04N13/30—Image reproducers
- H04N13/398—Synchronisation thereof; Control thereof
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Abstract
The invention relates to a polarizing structure, which comprises a crystal substrate, a first electrode and a second electrode, wherein the first electrode and the second electrode are arranged on two opposite surfaces of the crystal substrate; the liquid crystal display device further comprises a control unit having a first state and a second state, wherein in the first state, a first voltage is applied to the first electrode and the first sub-electrode, so that the refractive index of the crystal substrate is changed to deflect incident light into first polarized light; in the second state, a second voltage is applied to the first electrode and the second sub-electrode, so that the refractive index of the crystal substrate is changed to deflect incident light into second polarized light. The invention also relates to a 3D display device and a 3D display system.
Description
Technical Field
The invention relates to the technical field of display product manufacturing, in particular to a polarized light structure, a 3D display device and a 3D display system.
Background
In the field of 3D display, the FPR (film Patterned recorder) technology of LG corporation occupies a wide market share, and the display principle is that a layer of FPR is attached between the existing display device and the viewer, the FPR periodically converts the polarized light passing through the column direction of the display device into left-handed polarized light and right-handed polarized light, and the viewer wears glasses allowing the left-handed polarized light and the right-handed polarized light to pass through, so that the left eye and the right eye respectively receive different display effects, and a 3D display is formed in the brain.
In the existing FPR display technology, the FPR effect of deflecting incident light in different directions is mainly realized by the liquid crystal + alignment film, and the process mainly includes the following steps: alignment film Coating → alignment film drying → Pattern ultraviolet exposure → liquid crystal Coating → drying → ultraviolet polarization, the process is complicated. Meanwhile, the phase difference of the liquid crystal is limited by the characteristics and the temperature working range of the liquid crystal, and the phase difference can be changed when the temperature is changed, particularly under the low-temperature and high-temperature environments, so that the formed left-handed polarized light and the right-handed polarized light are not pure, and crosstalk of signals received by two eyes is easily caused.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a polarization structure, a 3D display device and a 3D display system, which solve the problems that the polarization process for obtaining different required deflection directions using FPR is complicated and is easily limited by the characteristics of liquid crystal.
In order to achieve the purpose, the invention adopts the technical scheme that: a polarized light structure comprises a crystal substrate, a first electrode and a second electrode, wherein the first electrode and the second electrode are arranged on two opposite surfaces of the crystal substrate;
the control unit controls the polarization structure to be switched between a first state and a second state by controlling voltages applied to the first electrode and the second electrode;
wherein in the first state, the control unit applies a first voltage to the first electrode and the first sub-electrode, so that the refractive index of the crystal substrate is changed to deflect incident light into first polarized light;
in the second state, a second voltage is applied to the first electrode and the second sub-electrode, so that the refractive index of the crystal substrate is changed to deflect incident light into second polarized light with a polarization direction different from that of the first polarized light.
Optionally, the first polarized light is left-handed polarized light, and the second polarized light is right-handed polarized light.
Optionally, the crystal substrate is made of a ferroelectric crystal material.
Optionally, the ferroelectric crystal comprises a lithium niobate crystal.
Optionally, the incident light is decomposed into ordinary light and extraordinary light after passing through the crystal substrate, and the phase difference between the ordinary light and the extraordinary light
Obtained from the following equation:
wherein Δ n ═ 1/2d) r13n0 3V is the refractive index of the corresponding region of the crystal substrate when a voltage V is applied to the crystal substrate, r13Is the linear electro-optic coefficient of the crystal substrate, λ is the wavelength of the incident light, n0Is the refractive index of the corresponding region of the crystal substrate when no voltage is applied to the crystal substrate, d33D is the thickness of the crystal substrate, and V is the voltage.
Optionally, the control unit applies a first voltage to the first sub-electrode and the first electrode, and separates the phase difference between the ordinary light and the extraordinary light formed by the region of the crystal substrate corresponding to the first sub-electrode
The first polarized light is left-handed polarized light;
the control unit applies a second voltage to the second sub-electrode and the first electrode, and phase difference between the ordinary light and the extraordinary light is formed by decomposing the crystal substrate in a region corresponding to the second sub-electrode
The second polarized light is right-handed polarized light.
Optionally, the crystal substrate further comprises a regulating unit, configured to regulate the first voltage and the second voltage according to the change of the ambient temperature of the crystal substrate, so that the phase difference between the ordinary light and the extraordinary light decomposed and formed through the region of the crystal substrate corresponding to the first sub-electrode
And the phase difference between the ordinary ray and the extraordinary ray formed by the decomposition of the region of the crystal substrate corresponding to the second sub-electrode
The invention further provides a 3D display device which comprises a display panel and the polarizing structure, wherein the polarizing structure is positioned on the light emergent side of the display panel.
Optionally, the display panel includes a plurality of pixel regions, and the plurality of pixel regions include a plurality of first pixel regions corresponding to the plurality of first sub-electrodes and a plurality of second pixel regions corresponding to the plurality of second sub-electrodes;
the control unit applies a first voltage to the first sub-electrode and the first electrode, and light emitted by the first pixel region forms first polarized light after passing through a region of the crystal substrate corresponding to the first sub-electrode;
and the control unit applies a second voltage to the second sub-electrode and the first electrode, and light emitted by the second pixel region forms second polarized light after passing through the region, corresponding to the first sub-electrode, of the crystal substrate.
Optionally, the first pixel region is an odd-numbered pixel region arranged on the display panel, and the second pixel region is an even-numbered pixel region arranged on the display panel; or
The first pixel regions are even-numbered pixel regions arranged on the display panel, and the second pixel regions are odd-numbered pixel regions arranged on the display panel.
The invention also provides a 3D display system which comprises the 3D display device and glasses matched with the 3D display device.
The invention has the beneficial effects that: the polarized light structure comprises the first electrode, the second electrode and the crystal substrate arranged between the first electrode and the second electrode, different voltages are applied to different areas of the crystal substrate, and therefore the refractive index of the crystal substrate is changed to obtain polarized light in different polarization directions.
Drawings
FIG. 1 shows a schematic representation of the FPR;
FIG. 2 is a schematic diagram of a polarization structure in an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
At present, FPR is adopted to convert light emitted from different positions of a display device into polarized light with different deflection directions to adapt to a 3D display technology, the FPR display principle is as shown in fig. 1, FPR 2 is disposed between the display device 1 and an observer 3, FPR 2 is divided into 3/2 wave plates and 1/2 wave plates periodically in a column direction (the period is consistent with the period of a pixel region arranged in the column direction of the display device 1), the polarized light transmitted in the column direction of the display device 1 is periodically converted into left-handed polarized light 10 and right-handed polarized light 20, the observer 3 can wear glasses with left and right lenses respectively allowing the left-handed polarized light 10 and the right-handed polarized light 20 to pass through, so that the left eye and the right eye of the observer 3 respectively receive different display effects, and 3D display is formed in the brain. However, the FPR 2 has a complicated process and is limited by the liquid crystal characteristics and the environmental temperature variation, and the phase difference changes when the temperature varies, especially under low temperature and high temperature environments, so that the left-handed polarized light 10 and the right-handed polarized light 20 are not pure, which is easy to cause crosstalk between signals received by two eyes.
To solve the above problem, the present embodiment provides a polarization structure, which applies different voltages to different positions of the crystal substrate 100 to change the refractive index of the crystal substrate 100, so that the incident light forms polarized light with different deflection directions, and an observer can make one lens only transmit the first polarized light and the other lens only transmit the second polarized light by wearing adaptive glasses, thereby realizing 3D display.
Specifically, as shown in fig. 2, the present embodiment provides a polarization structure, including a crystal substrate 100, and a first electrode 200 and a second electrode 300 disposed on two opposite surfaces of the crystal substrate 100, where the first electrode 200 is a planar electrode, and the second electrode 300 includes a first sub-electrode 301 and a second sub-electrode 302 arranged at intervals;
further comprising a control unit for controlling the polarization structure to switch between a first state and a second state by controlling the voltages applied to the first electrode 200 and the second electrode;
wherein, in the first state, the control unit applies a first voltage to the first electrode 200 and the first sub-electrode 301, so that the refractive index of the crystal substrate 100 is changed to deflect the incident light into a first polarized light;
in the second state, the control unit applies a second voltage to the first electrode 200 and the second sub-electrode 302, so that the refractive index of the crystal substrate 100 is changed to deflect incident light into second polarized light having a polarization direction different from that of the first polarized light.
By adopting the above technical scheme, the polarization structure comprises the first electrode 200, the second electrode 300 and the crystal substrate 100 arranged between the first electrode 200 and the second electrode 300, different voltages are applied to different areas of the crystal substrate 100, so that the refractive index of the crystal substrate 100 is changed to obtain polarized light with different polarization directions, the structure is simple, the manufacturing process is simplified, and the manufacturing process is as follows:
manufacturing transparent electrodes on two opposite sides (the first surface and the second surface) of the crystal substrate 100 by a Sputter (sputtering process), wherein the lens electrode of the first surface forms the first electrode 200;
exposing and etching the transparent electrode on the second surface to form a periodic pattern to form the second electrode 300;
the first electrode 200 and the second electrode 300 are connected to a display device circuit board (i.e., the control unit, so that the respective voltages are applied to the first electrode 200 and the second electrode 300).
The incident light is linearly polarized light.
In this embodiment, the first electrode 200 and the second electrode 300 are both transparent electrodes, such as ITO (indium tin oxide), but not limited thereto.
In this embodiment, the first electrode 200 is a planar electrode covering the entire crystal substrate 100, the second electrode 300 is divided into a plurality of first sub-electrodes 301 and a plurality of second sub-electrodes 302, the plurality of first sub-electrodes 301 and the plurality of second sub-electrodes 302 are periodically and alternately arranged on the crystal substrate 100, in a specific application, the distribution manner of the plurality of first sub-electrodes 301 and the plurality of second sub-electrodes 302 can be set according to actual needs, for example, in a 3D display application, the plurality of first sub-electrodes 301 and the plurality of second sub-electrodes 302 respectively correspond to corresponding pixel regions, in a specific embodiment, the plurality of first sub-electrodes 301 can correspond to odd-row pixel regions (or even-row pixel regions), the plurality of second sub-electrodes 302 correspond to even-row pixel regions (or odd-row pixel regions), thus, light emitted by the pixel regions in the odd rows is first polarized light after being deflected by a first region, corresponding to the first sub-electrode 301, on the crystal substrate 100, light emitted by the pixel regions in the even rows is second polarized light after being deflected by a second region, corresponding to the second sub-electrode 302, on the crystal substrate 100, an observer obtains the first polarized light through one lens of the adaptive eye, and obtains the second polarized light through the other lens, so that 3D display is formed in the brain of the observer; of course, the plurality of first sub-electrodes 301 may correspond to odd-numbered columns of pixel regions (or even-numbered columns of pixel regions), the plurality of second sub-electrodes 302 may correspond to even-numbered columns of pixel regions (or odd-numbered columns of pixel regions), or the arrangement of the plurality of first sub-electrodes 301 and the plurality of second sub-electrodes 302 may be other, and may be specifically set according to actual needs, which is not limited herein.
In this embodiment, the first polarized light is left-handed polarized light, and the second polarized light is right-handed polarized light. The cooperation of levogyration polarized light and dextrorotation polarized light forms 3D and shows, compares linearly polarized light, and observation range is big, can bring better 3D experience for the observer.
In this embodiment, the crystal substrate 100 is made of a ferroelectric crystal material.
The ferroelectric crystal is a piezoelectric crystal having spontaneous polarization, and the direction of the spontaneous polarization can be changed along with the change of the direction of an external electric field. Ferroelectric crystals as a class of transduction materials can be electrostrictive, i.e. under the action of an external electric field, a dielectric medium generates deformation proportional to the square of the electric field strength. The material mainly comprises barium titanate ceramics, ferromagnetic crystals, polycrystal and ferrite sintered materials, the length of the materials can change along with the square of field intensity, so that polarization is needed to obtain linearity, and the material can have the stress, strain, electric field and magnetic field, current and magnetic flux relationships similar to those of piezoelectric materials after polarization. In this embodiment, the piezoelectric effect, the ferroelectricity and the nonlinear optical characteristics of the ferroelectric crystal are utilized, the first electrode 200 and the second electrode 300 are respectively fabricated on two opposite sides of the crystal substrate 100, wherein the first electrode 200 is a planar electrode, the second electrode 300 is a plurality of first sub-electrodes 301 and a plurality of second sub-electrodes 302 distributed in a periodic and array manner, a first voltage is applied to the first electrode 200 and the first sub-electrodes 301, and a second voltage is applied to the first electrode 200 and the second sub-electrodes 302, so that the crystal substrate 100 generates different changes (the refractive index of the first region is different from the refractive index of the second region) corresponding to the first sub-electrodes 301 and the second region of the crystal substrate 100 corresponding to the second sub-electrodes 302, under different electric fields, incident light is decomposed into ordinary light and extraordinary light by the crystal substrate 100, and the phase difference between the decomposed ordinary light and extraordinary light is different for the first region and the second region, so that right-handed polarized light is applied to 3D display.
In this embodiment, the ferroelectric crystal includes a lithium niobate crystal, but is not limited thereto.
In the present embodiment, the incident light is decomposed into ordinary light and extraordinary light after passing through the crystal substrate 100, and the phase difference between the ordinary light and the extraordinary light
Obtained from the following equation:
wherein Δ n ═ 1/2d) r13n0 3V is a refractive index r of a region corresponding to the crystal substrate 100 when a voltage V is applied to the crystal substrate 10013Is the linear electro-optic coefficient of the crystal substrate 100, λ is the wavelength of the incident light, n0Is the refractive index of the corresponding region of the crystal substrate 100 when no voltage is applied to the crystal substrate 100, d33D is the thickness of the crystal substrate 100 (assuming that the phase difference corresponding to the initial d is 2n pi, n is a natural number), and V is the voltage.
In this embodiment, the control unit applies a first voltage to the first sub-electrode 301 and the first electrode 200, and decomposes the phase difference between the ordinary ray and the extraordinary ray formed by the region of the crystal substrate 100 corresponding to the first sub-electrode 301
That is, the region of the crystal substrate 100 corresponding to the first sub-electrode 301 has an effect equivalent to that of 3/2 wave plate, and the first polarized light is left-handed polarized light;
the control unit applies a second voltage to the second sub-electrode 302 and the first electrode 200, and separates the phase difference between the ordinary light and the extraordinary light formed by the corresponding region of the crystal substrate 100 and the second sub-electrode 302
That is, the region of the crystal substrate 100 corresponding to the second sub-electrode 302 has an effect equivalent to that of 1/2 wave plate, and the second polarized light is right-handed polarized light.
By adopting the technical scheme, the incident light passing through the crystal substrate 100 can be deflected to form left-handed polarized light and right-handed polarized light, and when the left-handed polarized light is received by the left-handed polarizing plate of the glasses of an observer and the right-handed polarized light is received by the right-handed polarizing plate of the glasses of the observer, a 3D display effect is formed in the brain of the observer.
In this embodiment, the polarization structure further includes an adjusting unit for adjusting the first voltage and the second voltage according to the change of the ambient temperature of the crystal substrate 100, so that the phase difference between the ordinary ray and the extraordinary ray formed by the decomposition of the region of the crystal substrate 100 corresponding to the first sub-electrode 301 is reduced
And the phase difference between the ordinary ray and the extraordinary ray formed by the decomposition of the corresponding region of the crystal substrate 100 and the second sub-electrode 302
While the present FPR is easily affected by the ambient temperature, in the present embodiment, by adopting the above technical solution, even if the ambient temperature changes, the voltages applied to the first electrode 200 and the second electrode 300 can be adjusted by the adjusting unit, so that the refractive indexes of the region of the crystal substrate 100 corresponding to the first sub-electrode 301 and/or the region corresponding to the second sub-electrode 302 can be adjusted, that is, the phase difference between the ordinary light and the extraordinary light decomposed by different regions of the crystal substrate 100 can be adjusted, and the required phase difference is ensured, for example, Δ Φ 1 ═ pi 3/2+2n pi and/or Δ Φ 2 ═ pi/2 +2n pi is ensured, so that the polarization structure accurately outputs the left-handed polarized light and the right-handed polarized light, and the display crosstalk is reduced.
The embodiment also provides a 3D display device, which includes a display panel and the above-mentioned polarization structure, the polarization structure is located on the light-emitting side of the display panel.
Adopt above-mentioned polarisation structure, exert different voltage through the different positions to crystal substrate 100 in order to change crystal substrate 100's refracting index to make the incident light form the polarized light of different deflection directions, the observer can make a lens only pass through first polarized light through wearing the glasses of adaptation, and another lens only passes through second polarized light, thereby realizes 3D and shows, simple structure simplifies the processing procedure, and has avoided the restriction of liquid crystal.
In this embodiment, the display panel includes a plurality of pixel regions, and the plurality of pixel regions includes a plurality of first pixel regions corresponding to the plurality of first sub-electrodes 301 and a plurality of second pixel regions corresponding to the plurality of second sub-electrodes 302;
the control unit applies a first voltage to the first sub-electrode 301 and the first electrode 200, and light emitted by the first pixel region forms first polarized light after passing through a region corresponding to the first sub-electrode 301 of the crystal substrate 100;
the control unit applies a second voltage to the second sub-electrode 302 and the first electrode 200, and light emitted from the second pixel region passes through a region corresponding to the first sub-electrode 301 of the crystal substrate 100 to form second polarized light.
In this embodiment, the first polarized light is left-handed polarized light, the second polarized light is right-handed polarized light, and is a plurality of first pixel region and a plurality of first sub-electrode 301 can be one-to-one, and is a plurality of second pixel region and a plurality of second sub-electrode 302 can be one-to-one, under the control of control unit, the light that first pixel region sent forms left-handed polarized light behind crystal substrate 100 with the region that first sub-electrode 301 corresponds, the light that second pixel region sent forms right-handed polarized light behind crystal substrate 100 with the region that first sub-electrode 301 corresponds, after the glasses of the adaptation that the observer wore are received, forms 3D in the brain of observation sum and shows.
The specific distribution positions of the first pixel region and the second pixel region may be set according to actual needs, in a specific implementation manner of this embodiment, the first pixel region is an odd-numbered pixel region arranged on the display panel, and the second pixel region is an even-numbered pixel region arranged on the display panel; or
The first pixel regions are even-numbered pixel regions arranged on the display panel, and the second pixel regions are odd-numbered pixel regions arranged on the display panel.
Of course, the plurality of first sub-electrodes 301 may correspond to odd-numbered columns of pixel regions (or even-numbered columns of pixel regions), the plurality of second sub-electrodes 302 may correspond to even-numbered columns of pixel regions (or odd-numbered columns of pixel regions), or the arrangement of the plurality of first sub-electrodes 301 and the plurality of second sub-electrodes 302 may be other, and may be specifically set according to actual needs, which is not limited herein. The specific distribution of the first pixel region and the second pixel region on the display panel can be set according to actual needs,
it should be noted that the display panel may be an LCD (liquid crystal display), an OLED, or a Micro LED, but is not limited to these display technologies.
The embodiment also provides a 3D display system, which includes the 3D display device and glasses adapted to the 3D display device.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. A polarization structure is characterized by comprising a crystal substrate, a first electrode and a second electrode, wherein the first electrode and the second electrode are arranged on two opposite surfaces of the crystal substrate;
the control unit controls the polarization structure to be switched between a first state and a second state by controlling voltages applied to the first electrode and the second electrode;
wherein in the first state, the control unit applies a first voltage to the first electrode and the first sub-electrode, so that the refractive index of the crystal substrate is changed to deflect incident light into first polarized light;
in the second state, applying a second voltage to the first electrode and the second sub-electrode, so that the refractive index of the crystal substrate is changed to convert the incident light into a second polarized light different from the polarization direction of the first polarized light;
the control unit applies a first voltage to the first sub-electrode and the first electrode, and phase difference between the ordinary light and the extraordinary light is formed by decomposing the crystal substrate in the region corresponding to the first sub-electrode
The first polarized light is left-handed polarized light;
the control unit applies a second voltage to the second sub-electrode and the first electrode, and phase difference between the ordinary light and the extraordinary light is formed by decomposing the crystal substrate in a region corresponding to the second sub-electrode
The second polarized light is right-handed polarized light;
the adjusting unit is used for adjusting the first voltage and the second voltage according to the change of the ambient temperature of the crystal substrate so as to enable the phase difference of the ordinary light and the extraordinary light formed by the decomposition of the area of the crystal substrate corresponding to the first sub-electrode
And passing through the crystalThe phase difference between the ordinary light and the extraordinary light formed by decomposing the corresponding area of the bulk substrate and the second sub-electrode
2. A light polarizing structure according to claim 1, wherein the first polarized light is left-handed polarized light and the second polarized light is right-handed polarized light.
3. A light polarizing structure according to claim 1, wherein the crystal substrate is made of a ferroelectric crystal material.
4. A light deflecting structure according to claim 3, wherein the ferroelectric crystal comprises a lithium niobate crystal.
5. A light polarizing structure according to claim 3, wherein incident light is decomposed into ordinary light and extraordinary light by the crystal substrate, and the phase difference between the ordinary light and the extraordinary light
Obtained from the following equation:
wherein Δ n ═ 1/2d) r13n0 3V is the refractive index of the corresponding region of the crystal substrate when a voltage V is applied to the crystal substrate, r13Is the linear electro-optic coefficient of the crystal substrate, λ is the wavelength of the incident light, n0Is the refractive index of the corresponding region of the crystal substrate when no voltage is applied to the crystal substrate, d33D is the thickness of the crystal substrate, and V is the voltage.
6. A3D display device, comprising a display panel and the polarizing structure according to any one of claims 1 to 5, the polarizing structure being located on a light exit side of the display panel.
7. The 3D display device according to claim 6, wherein the display panel includes a plurality of pixel regions including a plurality of first pixel regions corresponding to the plurality of first sub-electrodes and a plurality of second pixel regions corresponding to the plurality of second sub-electrodes;
the control unit applies a first voltage to the first sub-electrode and the first electrode, and light emitted by the first pixel region forms first polarized light after passing through a region of the crystal substrate corresponding to the first sub-electrode;
and the control unit applies a second voltage to the second sub-electrode and the first electrode, and light emitted by the second pixel region forms second polarized light after passing through the region, corresponding to the first sub-electrode, of the crystal substrate.
8. The 3D display device according to claim 7, wherein the first pixel region is an odd-numbered row of pixel regions arranged on the display panel, and the second pixel region is an even-numbered row of pixel regions arranged on the display panel; or
The first pixel regions are even-numbered pixel regions arranged on the display panel, and the second pixel regions are odd-numbered pixel regions arranged on the display panel.
9. A 3D display system comprising a 3D display device according to any of claims 6-8 and glasses adapted to the 3D display device.
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| CN108594538A (en) * | 2018-06-07 | 2018-09-28 | 上海交通大学 | Single exposure realizes the light orientation device of Arbitrary distribution and a kind of preparation method of optical element |
| CN108614369A (en) * | 2018-07-13 | 2018-10-02 | 京东方科技集团股份有限公司 | Display device |
| CN109343241A (en) * | 2018-10-26 | 2019-02-15 | 张家港康得新光电材料有限公司 | A kind of display device and its driving method |
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