CN108363212B - 3D display device, display method and 3D display system - Google Patents
3D display device, display method and 3D display system Download PDFInfo
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- G—PHYSICS
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- 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
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- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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Abstract
The embodiment of the invention provides a 3D display device, a display method and a 3D display system, which are used for achieving the effect that when a viewer moves back and forth in a large range, the best viewing effect can be always obtained. The 3D display device includes: the display device comprises a display panel, a phase delay unit, a sensing unit and an adjusting unit; the phase delay unit is positioned on the display side of the display panel and comprises a plurality of light polarization units, and the polarization directions of the light emitted by the two adjacent light polarization units are vertical; the sensing unit is used for acquiring the sight distance of a viewer in real time; the adjusting unit is electrically connected with the sensing unit and the phase delay unit and used for determining the width of the light polarization unit corresponding to the sight distance fed back in real time according to the sight distance fed back in real time by the sensing unit; and adjusting the width of the light polarization unit to the determined width corresponding to the real-time feedback sight distance.
Description
Technical Field
The invention relates to the technical field of 3D display, in particular to a 3D display device, a display method and a 3D display system.
Background
As a mature 3D technology, the polarization 3D display technology still has special applications in some places and fields at present, especially in the current medical 3D display industry.
For the conventional design scheme of the polarized light 3D display technology in the prior art, a viewer can obtain a better display effect only at the optimal viewing distance, and when the viewer moves back and forth, crosstalk is increased, the viewing angle is reduced, and the viewing effect is reduced.
An optical path diagram of a viewing region of a related art polarized 3D display technology varying with a viewing distance is shown in fig. 1, and it can be seen from fig. 1 that an optimal viewing distance of a viewer is 1200 millimeters (mm), and a minimum viewing distance is 800 mm. When the viewer moves back and forth, the viewing angle changes, and even when the viewer moves to a distance within 800mm, normal 3D display cannot be seen.
In summary, in the prior art polarized 3D display technology, the viewer can only see a better display effect within a specific viewing distance and range.
Disclosure of Invention
In view of the above, the present invention provides a 3D display device, a display method and a 3D display system, so as to achieve the effect that when a viewer moves back and forth in a large range, the viewer can always obtain the best viewing effect.
In order to achieve the purpose, the invention provides the following technical scheme:
a 3D display device comprising: the display device comprises a display panel, a phase delay unit, a sensing unit and an adjusting unit;
the phase delay unit is positioned on the display side of the display panel and comprises a plurality of light polarization units, and the polarization directions of light emitted by two adjacent light polarization units are vertical;
the sensing unit is used for acquiring the sight distance of a viewer in real time, wherein the sight distance is the distance from the viewer to a screen;
the adjusting unit is electrically connected with the sensing unit and the phase delay unit and used for determining the width of the light polarization unit corresponding to the sight distance fed back in real time according to the sight distance fed back in real time by the sensing unit; and adjusting the width of the light polarization unit to be the determined width of the light polarization unit corresponding to the real-time feedback sight distance.
Preferably, each light polarization unit includes an upper substrate, a lower substrate, a liquid crystal layer between the upper substrate and the lower substrate, a first electrode facing one side of the lower substrate and a second electrode facing one side of the upper substrate.
Preferably, the first electrode is a planar electrode and the second electrode is a strip electrode;
or, the first electrode is a strip electrode and the second electrode is a planar electrode;
or, the first electrode is a strip electrode and the second electrode is a strip electrode;
or, the first electrode is a planar electrode and the second electrode is a planar electrode.
Preferably, each of the light polarizing units further includes a first alignment layer on the first electrode and a second alignment layer on the second electrode.
Preferably, the 3D display device further includes a quarter-wave plate located on a side of the phase delay unit away from the display panel.
Preferably, the adjusting unit is specifically configured to adjust the width of the light polarizing unit by adjusting the voltage values of the first electrode and the second electrode.
Preferably, a central axis of the light polarizing unit located at a middle position of the phase delaying unit coincides with a central axis of the display panel.
Preferably, the display panel includes a plurality of rows of left-eye pixels and a plurality of rows of right-eye pixels alternately arranged;
one of the light polarization units corresponds to a row of left-eye pixels and is used for converting light emitted from the left-eye pixels into first polarized light; the light polarization unit adjacent to the light polarization unit corresponds to a row of right-eye pixels and is used for converting light emitted from the right-eye pixels into second polarized light;
the polarization directions of the first polarized light and the second polarized light are vertical.
A3D display system comprises the 3D display device and polarized 3D glasses; wherein:
the left eyeglass of the polarized 3D glasses can penetrate one of left-handed polarized light and right-handed polarized light emitted by the 3D display device, and the right eyeglass of the polarized 3D glasses can penetrate the other of the left-handed polarized light and the right-handed polarized light emitted by the 3D display device.
A3D display system comprises the 3D display device and polarized 3D glasses; wherein:
the left eyeglass of the polarized type 3D glasses can penetrate through a first linearly polarized light emitted by the 3D display device, and the right eyeglass of the polarized type 3D glasses can penetrate through a second linearly polarized light emitted by the 3D display device and perpendicular to the polarization direction of the first linearly polarized light.
A display method of the 3D display device comprises the following steps:
the method comprises the steps of acquiring the sight distance of a viewer in real time;
determining the width of the light polarization unit corresponding to the sight distance acquired in real time according to the sight distance acquired in real time;
and adjusting the width of the light polarization unit to ensure that the width of the light polarization unit is the determined width corresponding to the sight distance acquired in real time.
Compared with the prior art, the scheme of the invention has the following beneficial effects:
the 3D display device provided by the embodiment of the invention comprises: the display device comprises a display panel, a phase delay unit, a sensing unit and an adjusting unit; the sensing unit can acquire the sight distance of a viewer in real time; because the display side of the display panel is provided with the phase delay unit, the phase delay unit comprises a plurality of light polarization units, the polarization directions of the light emitted by two adjacent light polarization units are vertical, the visual distance of a viewer watching the 3D display device is changed after the width of each light polarization unit is changed, and the width of each light polarization unit can be adjusted to be the width corresponding to the real-time feedback visual distance (namely the visual distance of the viewer watching the 3D display device in real time).
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is an optical diagram of a prior art polarized 3D display technology viewing area as a function of viewing distance;
fig. 2 is a block diagram of a 3D display device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a light polarizing unit included in a 3D display device according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another light polarizing unit included in a 3D display device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of polarization directions of emergent light of a 3D display device after the 3D display device is adjusted by an adjusting unit according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of polarization directions of emergent light of a 3D display device after the other 3D display device provided by the embodiment of the invention is adjusted by an adjusting unit;
fig. 7 is a flowchart of a display method of the 3D display device according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a relationship between components when the 3D display device displays according to an embodiment of the present invention.
The meaning of the various reference symbols of the embodiments of the invention is explained below:
31-a display panel; 32-phase delay unit; 33-a sensing unit; 34-a regulating unit; 321-a light polarizing unit; 3211-an upper substrate; 3212-lower substrate; 3213-a liquid crystal layer; 3214-a first electrode; 3215-a second electrode; 3216-a first alignment layer; 3217-a second alignment layer;
311-left eye pixels; 312-right eye pixels; 61-quarter wave plate; 70-viewer.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The technical scheme of the embodiment of the invention is described below by combining the accompanying drawings.
In view of the shortcomings of the prior art, the present inventors provide a 3D display device.
As shown in fig. 2, fig. 2 is a block diagram of a 3D display device according to an embodiment of the present invention, where the 3D display device includes: a display panel 31, a phase delay unit 32, a sensing unit 33, and an adjusting unit 34;
the phase delay unit 32 is located on the display side of the display panel 31, and includes a plurality of light polarization units 321, and the polarization directions of the light emitted by two adjacent light polarization units 321 are perpendicular;
the sensing unit 33 is used for acquiring the sight distance of a viewer in real time, wherein the sight distance is the distance from the viewer to a screen;
the adjusting unit 34 is electrically connected with the sensing unit 33 and the phase delay unit 32, and is used for determining the width of the light polarization unit 321 corresponding to the real-time feedback sight distance according to the real-time feedback sight distance of the sensing unit 33; and, the width of the light polarization unit 321 is adjusted to the determined width of the light polarization unit 321 corresponding to the viewing distance of the real-time feedback.
The 3D display device provided by the embodiment of the invention comprises: a display panel 31, a phase delay unit 32, a sensing unit 33, and an adjusting unit 34; the sensing unit 33 can acquire the sight distance of the viewer in real time; since the phase delay unit 32 is disposed on the display side of the display panel 31 in the embodiment of the present invention, the phase delay unit 32 includes a plurality of light polarization units 321, the polarization direction of light emitted from two adjacent light polarization units 321 is vertical, the viewing distance when the viewer views the 3D display device changes after the width of the light polarization units 321 changes, and the adjusting unit 34 can adjust the width of the light polarization units 321 to a width corresponding to the viewing distance fed back in real time (i.e., the viewing distance when the viewer views the 3D display device in real time).
In a preferred embodiment, as shown in fig. 3, each light polarizing unit 321 includes an upper substrate 3211, a lower substrate 3212, a liquid crystal layer 3213 located between the upper substrate 3211 and the lower substrate 3212, a first electrode 3214 located on a side of the upper substrate 3211 facing the lower substrate 3212, and a second electrode 3215 located on a side of the lower substrate 3212 facing the upper substrate 3211; the light polarization unit 321 with such a structure can better adjust the polarization direction of light.
Specifically, the upper substrate 3211 and the lower substrate 3212 are transparent substrates, such as: the upper substrate 3211 and the lower substrate 3212 are glass substrates; the thickness of the liquid crystal layer 3213 is set according to the actual production requirements, such as: the thickness of the liquid crystal layer 3213 may be set to 3 micrometers (μm) to 5 μm; the first electrode 3214 and the second electrode 3215 are made of transparent conductive materials, such as: indium Tin Oxide (ITO) and/or Indium Zinc Oxide (IZO) are selected, and it is preferable that the material of the first electrode 3214 is the same as that of the second electrode 3215.
Preferably, the first electrode 3214 is a planar electrode, and the second electrode 3215 is a strip electrode, as shown in fig. 3; of course, in the embodiment of the present invention, the first electrode 3214 may also be a strip electrode, and the second electrode 3215 may also be a planar electrode; alternatively, the first electrode 3214 may be a stripe electrode, and the second electrode 3215 may be a stripe electrode.
Specifically, if the first electrode 3214 is a strip-shaped electrode and the second electrode 3215 is a strip-shaped electrode, the number of the strip-shaped electrodes may be set according to the width of the light polarizing unit 321 and the minimum manufacturing line width, for example: the number of the strip-shaped electrodes is set to be 3 to 5.
In another preferred embodiment, as shown in fig. 4, each light polarization unit 321 further includes a first alignment layer 3216 on the first electrode 3214 and a second alignment layer 3217 on the second electrode 3215; the arrangement of the first alignment layer 3216 and the second alignment layer 3217 can well perform set-direction alignment on liquid crystal molecules of the liquid crystal layer 3213, and the specific alignment manner of the first alignment layer 3216 and the second alignment layer 3217 on liquid crystal is similar to that in the prior art, and is not described herein again.
Preferably, as shown in fig. 5, the display panel 31 includes a plurality of rows of left-eye pixels 311 and a plurality of rows of right-eye pixels 312 alternately arranged; one of the light polarization units 321 corresponds to a row of left-eye pixels 311, and is configured to convert light emitted from the left-eye pixels 311 into first polarized light; the light polarization unit 321 adjacent to the light polarization unit 321 corresponds to a row of right-eye pixels 312, and is configured to convert light emitted from the right-eye pixels 312 into second polarized light; the polarization directions of the first polarized light and the second polarized light are vertical.
Specifically, in the embodiment of the present invention, each of the light polarization units 321 has a bar shape, one light polarization unit 321 covers one row of the left-eye pixels 311, and the light polarization unit 321 adjacent to the light polarization unit 321 covers one row of the right-eye pixels 312.
Specifically, the display panel 31 in the embodiment of the present invention may be an LCD display panel (Liquid crystal display panel), or an OLED display panel (Organic Light Emitting Diode); the first polarized light and the second polarized light are both linearly polarized light.
In a specific implementation, the distance between each row of light polarization units 321 and the adjacent row of light polarization units 321 in the embodiment of the present invention may be set to be a fixed value, and the specific setting of the fixed value is set according to the actual production process requirement, which is not limited herein.
Preferably, as shown in fig. 5, the adjusting unit 34 in the embodiment of the present invention is specifically configured to adjust the width of the light polarizing unit 321 by adjusting the voltage values of the first electrode 3214 and the second electrode 3215; the width of the light polarizing unit 321 in the embodiment of the present invention refers to the width of the light polarizing unit 321 in the row direction of the pixels.
Specifically, as shown in fig. 5, in the embodiment of the present invention, the first electrode 3214 is a planar electrode, and the second electrode 3215 is a strip electrode, in order to make the actual production process simpler and the cost lower, all the light polarizing units 321 in the embodiment of the present invention share the upper substrate 3211 and the lower substrate 3212, and the first electrode 3214 is formed on the upper substrate 3211 in its entire surface.
In specific implementation, as shown in fig. 5, the adjusting unit 34 adjusts the second electrode 3215 in the left dashed line frame not to be powered, the liquid crystal at the position corresponding to the second electrode 3215 maintains a twisted state, and the polarization direction of the emergent light is perpendicular to the paper surface (as shown by the oval marks in the figure); the adjusting unit 34 adjusts the second electrode 3215 in the middle dashed box to be powered up, the liquid crystal at the position corresponding to the second electrode 3215 is vertical, and the polarization direction of the emergent light is horizontal (as shown by the double-headed arrow in the figure); the adjusting unit 34 adjusts the second electrode 3215 in the right dashed line frame not to be energized, the liquid crystal at the position corresponding to the second electrode 3215 maintains a twisted state, and the polarization direction of the outgoing light is perpendicular to the paper surface (as indicated by the oval marks in the figure).
In the embodiment of the invention, when the second electrode 3215 is not energized, the liquid crystal at the position corresponding to the second electrode 3215 can better maintain a twisted state through the first alignment layer 3216 and the second alignment layer 3217.
Preferably, the distances between all two adjacent rows of the light polarization units 321 are equal, and the widths of all the light polarization units 321 are equal.
Preferably, the central axis of the light polarization unit 321 located at the middle position of the phase retardation unit 32 in the embodiment of the present invention coincides with the central axis of the display panel 31; thus, after the adjusting unit 34 adjusts the width of the light polarizing unit 321, the light polarizing units 321 at other positions are close to the central axis of the display panel 31, and thus, the phase delay unit 32 can better realize the function of adjusting the viewing distance during 3D display.
Further, as shown in fig. 6, the 3D display device according to the embodiment of the present invention further includes a quarter-wave plate 61 located on a side of the phase delay unit 32 away from the display panel 31; the quarter-wave plate 61 is arranged, linearly polarized light can be changed into circularly polarized light, when emergent light is circularly polarized light, a viewer can move randomly when watching, and the watching experience of the user is improved.
Based on the same inventive concept, the specific embodiment of the present invention further provides a 3D display system, where the 3D display system includes the 3D display device and the polarization type 3D glasses provided by the embodiment of the present invention; wherein: the left eyeglass of the polarized 3D glasses can transmit one of left-handed polarized light and right-handed polarized light emitted by the 3D display device, and the right eyeglass of the polarized 3D glasses can transmit the other of the left-handed polarized light and the right-handed polarized light emitted by the 3D display device.
Based on the same inventive concept, the specific embodiment of the present invention further provides a 3D display system, where the 3D display system includes the 3D display device and the polarization type 3D glasses provided by the embodiment of the present invention; wherein: the left eyeglass of the polarized 3D glasses can transmit first linearly polarized light emitted by the 3D display device, and the right eyeglass of the polarized 3D glasses can transmit second linearly polarized light emitted by the 3D display device and perpendicular to the polarization direction of the first linearly polarized light.
Based on the same inventive concept, an embodiment of the present invention further provides a display method of the 3D display device, as shown in fig. 7, the method includes:
s701, acquiring the sight distance of a viewer in real time;
s702, determining the width of a light polarization unit corresponding to the sight distance acquired in real time according to the sight distance acquired in real time;
and S703, adjusting the width of the light polarization unit to ensure that the width of the light polarization unit is the determined width corresponding to the real-time acquired visual range.
For the step S702, determining the width of the light polarization unit corresponding to the real-time acquired viewing distance according to the real-time acquired viewing distance; the width of the light polarization unit corresponding to the sight distance acquired in real time is determined by the following formula:
M＝tan[arcsin[1.5sin[arctan[nnumber of pixel lines(pPixel-ppitch+BM)]]]]/2(hGlass+hUp pol)
N＝tan[arcsin[1.5sin[arctan(pPixel-ppitch+BM)]]]/2(hGlass+hUp pol)
The above formula is obtained according to the light path diagram and the refraction principle of light, and in the formula:
the D sight distance refers to the sight distance obtained in real time when a viewer watches the D sight distance; n isNumber of pixel linesA value indicating a number of pixel rows; ppitchRefers to the width of the light polarizing unit 321; pPixelRefers to the width of the pixels included in the display panel 31; BM denotes the width of the black matrix in the display panel 31; h isGlassThe upper substrate thickness included in the display panel 31; h isUp polRefers to the thickness of the upper polarizer included in the display panel 31.
Specifically, as shown in fig. 8, the sensing unit 33 acquires the visual range (D visual range) when the viewer 70 views in real time; the adjusting unit 34 determines the width of the light polarization unit corresponding to the real-time acquired visual distance (D visual distance) according to the real-time acquired visual distance (D visual distance); then, the adjusting unit 34 adjusts the width of the light polarizing unit so that the width of the light polarizing unit is the determined width corresponding to the viewing distance acquired in real time.
To further illustrate that the embodiment of the present invention can achieve the effect of adjusting the viewing distance during 3D display, so that the viewer can always obtain the best viewing effect when moving back and forth in a larger range, the embodiment of the present invention takes a 27 inch (inch)4K (resolution 3840 × 2160) panel as an example, and if the width of the light polarizing unit 321 is known at the viewing angle of 12 ° in the vertical viewing angle, the best viewing distance can be calculated according to the above formula, and the specific calculation results are shown in table 1:
TABLE 1
As can be seen from table 1, when the width of the light polarizing unit 321 is adjusted, the visual distance during 3D display can be adjusted, so that the viewer can always obtain the best viewing effect when moving back and forth over a wide range.
In summary, the 3D display device provided in the embodiments of the present invention includes: the display device comprises a display panel, a phase delay unit, a sensing unit and an adjusting unit; the phase delay unit is positioned on the display side of the display panel and comprises a plurality of light polarization units, and the polarization directions of the light emitted by the two adjacent light polarization units are vertical; the sensing unit is used for acquiring the sight distance of a viewer in real time; the adjusting unit is electrically connected with the sensing unit and the phase delay unit and used for determining the width of the light polarization unit corresponding to the sight distance fed back in real time according to the sight distance fed back in real time by the sensing unit; and adjusting the width of the light polarization unit to the determined width of the light polarization unit corresponding to the real-time feedback viewing distance. Because the display side of the display panel is provided with the phase delay unit, the phase delay unit comprises a plurality of light polarization units, the polarization directions of the light emitted by two adjacent light polarization units are vertical, the visual distance of a viewer watching the 3D display device is changed after the width of each light polarization unit is changed, and the width of each light polarization unit can be adjusted to be the width corresponding to the real-time feedback visual distance (namely the visual distance of the viewer watching the 3D display device in real time).
The foregoing is only a partial embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (11)
1. A3D display device, comprising: the display device comprises a display panel, a phase delay unit, a sensing unit and an adjusting unit;
the phase delay unit is positioned on the display side of the display panel and comprises a plurality of light polarization units, and the polarization directions of light emitted by two adjacent light polarization units are vertical;
the sensing unit is used for acquiring the sight distance of a viewer in real time, wherein the sight distance is the distance from the viewer to a screen;
the adjusting unit is electrically connected with the sensing unit and the phase delay unit and used for determining the width of the light polarization unit corresponding to the sight distance fed back in real time according to the sight distance fed back in real time by the sensing unit; and adjusting the width of the light polarization unit to be the determined width of the light polarization unit corresponding to the real-time feedback sight distance.
2. The 3D display device according to claim 1, wherein each of the light polarizing units comprises an upper substrate, a lower substrate, a liquid crystal layer between the upper substrate and the lower substrate, a first electrode on a side of the upper substrate facing the lower substrate, and a second electrode on a side of the lower substrate facing the upper substrate.
3. The 3D display device according to claim 2, wherein the first electrode is a planar electrode and the second electrode is a stripe electrode;
or, the first electrode is a strip electrode and the second electrode is a planar electrode;
or, the first electrode is a strip electrode and the second electrode is a strip electrode.
4. The 3D display device according to claim 3, wherein each light polarization unit further comprises a first alignment layer on the first electrode and a second alignment layer on the second electrode.
5. A3D display device according to any of claims 1-4, further comprising a quarter-wave plate on a side of the phase delay unit facing away from the display panel.
6. The 3D display device according to any of claims 2 to 4, wherein the adjusting unit is specifically configured to adjust the width of the light polarizing unit by adjusting the voltage values of the first electrode and the second electrode.
7. The 3D display device according to claim 6, wherein a central axis of the light polarizing unit located at a middle position of the phase retardation unit coincides with a central axis of the display panel.
8. The 3D display device according to claim 1, wherein the display panel includes a plurality of rows of left-eye pixels and a plurality of rows of right-eye pixels alternately arranged;
one of the light polarization units corresponds to a row of left-eye pixels and is used for converting light emitted from the left-eye pixels into first polarized light; the light polarization unit adjacent to the light polarization unit corresponds to a row of right-eye pixels and is used for converting light emitted from the right-eye pixels into second polarized light;
the polarization directions of the first polarized light and the second polarized light are vertical.
9. A 3D display system comprising the 3D display device of any one of claims 1-7 and polarized 3D glasses; wherein:
the left eyeglass of the polarized 3D glasses can penetrate one of left-handed polarized light and right-handed polarized light emitted by the 3D display device, and the right eyeglass of the polarized 3D glasses can penetrate the other of the left-handed polarized light and the right-handed polarized light emitted by the 3D display device.
10. A 3D display system comprising the 3D display device of any one of claims 1-8 and polarized 3D glasses; wherein:
the left eyeglass of the polarized type 3D glasses can penetrate through a first linearly polarized light emitted by the 3D display device, and the right eyeglass of the polarized type 3D glasses can penetrate through a second linearly polarized light emitted by the 3D display device and perpendicular to the polarization direction of the first linearly polarized light.
11. A display method of a 3D display device according to any one of claims 1 to 8, comprising:
the method comprises the steps of acquiring the sight distance of a viewer in real time;
determining the width of the light polarization unit corresponding to the sight distance acquired in real time according to the sight distance acquired in real time;
and adjusting the width of the light polarization unit to ensure that the width of the light polarization unit is the determined width corresponding to the sight distance acquired in real time.
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| KR101868145B1 (en) * | 2011-10-06 | 2018-06-18 | 엘지디스플레이 주식회사 | Stereoscopic image display |
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| CN102681193A (en) * | 2011-03-09 | 2012-09-19 | 富士胶片株式会社 | 3d display system |
| CN102591069A (en) * | 2012-03-27 | 2012-07-18 | 深圳市华星光电技术有限公司 | Three-dimensional image display device |
| CN103686120A (en) * | 2012-09-12 | 2014-03-26 | 乐金显示有限公司 | Stereoscopic image display device |
| CN103118267A (en) * | 2013-01-25 | 2013-05-22 | 明基材料有限公司 | Display system capable of automatically adjusting display visual angles of three-dimensional images |
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