CN114660825A - Naked eye 3D local holographic display device and method - Google Patents
Naked eye 3D local holographic display device and method Download PDFInfo
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- CN114660825A CN114660825A CN202210415542.XA CN202210415542A CN114660825A CN 114660825 A CN114660825 A CN 114660825A CN 202210415542 A CN202210415542 A CN 202210415542A CN 114660825 A CN114660825 A CN 114660825A
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 16
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 238000007790 scraping Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 description 2
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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
- G02B30/26—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
- G02B30/30—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 parallax barriers
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
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Abstract
The invention relates to a naked eye 3D local holographic display device and a method; a naked eye 3D local holographic display device includes: panel display module, control device, viewpoint tracking device and grating panel mechanism. The panel display component is used for displaying a 3D picture. The control device determines ideal position information of the raster panel mechanism according to the position information of the current viewpoint of the viewer in front of the panel display assembly. And adjusting the position of the raster panel mechanism relative to the panel display assembly according to the determined ideal position information of the raster panel mechanism. The panel display assembly includes: the display panel mounting bin and the panel display screen. The panel display screen is arranged on the display panel mounting bin. The invention has the beneficial effects that the corresponding closing and opening of the viewpoint pixels on the display screen can be realized. The user can only see the display picture corresponding to the view point needing to be seen. Therefore, the crosstalk phenomenon in the watching process is avoided, and the watching experience effect is improved.
Description
Technical Field
The invention relates to the technical field of naked eye 3D, in particular to a naked eye 3D local holographic display device and a method.
Background
The naked eye 3D display device is a display device which can see a 3D display picture without wearing auxiliary tools. The display principle of the naked eye 3D display device is as follows: a lenticular lens or a parallax barrier is placed in front of a display panel of the display device. The display picture seen by the left eye is different from the display picture seen by the right eye, so that the display picture has a 3D visual effect.
In general, a plurality of viewpoints may be set so that a user can see a 3D display screen at a plurality of positions. Generally, a user only needs to watch the viewpoints required by two eyes of a display screen to clearly watch a corresponding display picture. However, the conventional naked-eye 3D display device still sees corresponding pictures from adjacent viewpoints when viewed by a user. Therefore, the crosstalk phenomenon is generated, the display effect is influenced, and the watching experience of a user is greatly influenced.
Disclosure of Invention
The present invention is directed to a naked eye 3D local area holographic display device and method, which solve the problems set forth in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a naked eye 3D local area holographic display device, comprising: panel display module, control device, viewpoint tracking device and grating panel mechanism. The panel display component is used for displaying a 3D picture. The control device determines ideal position information of the raster panel mechanism according to the position information of the current viewpoint of the viewer in front of the panel display assembly. And adjusting the position of the raster panel mechanism relative to the panel display assembly according to the determined ideal position information of the raster panel mechanism. The panel display assembly includes: the display panel mounting bin and the panel display screen. The panel display screen is arranged on the display panel mounting bin. The control device is arranged at the bottom end of the panel display screen. The viewpoint tracking device is disposed at a side of the control device. The viewpoint tracking device is used for acquiring the position information of the current viewpoint of the user in front of the panel display screen in real time in a 3D display mode and determining whether the position of the viewpoint of the user in front of the panel display screen changes or not. The grating panel mechanism comprises: grating installing frame, grating display panel, installation slide, top end fixed subassembly and side stable assembly. The grating mounting frame is arranged on the light emitting side of the panel display screen. The grating display panel is arranged on the grating mounting frame in a sliding mode. The raster display panel is controlled by a control device. The installation slideways are symmetrically arranged on the inner side of the display panel installation bin. The grating display panel is arranged in the installation slideway in a sliding manner. The top end fixing component is arranged at the top end of the grating mounting frame and used for fixing the grating mounting frame and the display panel mounting bin. The side stabilizing component is arranged on the side of the display panel mounting bin and used for fixing the side of the grating mounting frame.
As a further scheme of the invention: the top end fixing component comprises: fixed briquetting, fixed connection board and fixing bolt. The fixed pressing block is arranged at the top end of the installation slideway in a sliding manner. The fixed connecting plate is vertically arranged at the top end of the fixed pressing block. The fixing bolt is used for fixedly connecting the fixing connecting plate with the display panel mounting bin.
As a further scheme of the invention: the fixed connecting plate is L-shaped and convenient to fix.
As a further scheme of the invention: the top end of the fixing bolt is provided with friction grains which facilitate the rotation of the fixing bolt.
As a further scheme of the invention: the side stabilizing assembly includes: the sliding inner cavity, the abutting plate, the rotating screw hole and the rotating screw rod. The sliding inner cavity is arranged on the inner wall of the mounting slideway. The abutting plate is arranged in the sliding inner cavity in a sliding mode. And the contact plate is contacted with the side edge of the grating mounting frame. The rotating screw hole is arranged on the inner wall of the sliding inner cavity. The rotating screw is rotatably inserted in the rotating screw hole. And the end part of the rotating screw rod is rotationally connected with the abutting plate.
As a further scheme of the invention: the end of the rotating screw rod is provided with anti-skid grains for increasing friction force.
As a further scheme of the invention: the inner side surface of the touch plate is provided with a protective soft cushion used for preventing the side edge of the grating mounting frame from being scratched.
As a further scheme of the invention: the naked eye 3D local area holographic display device and method further comprise: the system comprises a pixel control unit, a position detection unit, a viewpoint determination unit and an intelligent database unit. The pixel control unit, the position detection unit, the viewpoint determination unit and the intelligent database unit are all arranged in the display panel installation bin. The pixel control unit is used for opening the sub-pixels corresponding to the viewpoints and closing other sub-pixels, so that a user only sees the display picture corresponding to the viewpoint needing to be seen. The position detection unit is used for detecting the position of a user. The viewpoint determining unit is used for determining the viewpoints of the left eye and the right eye of the user according to the position of the user detected by the position detecting unit. The intelligent database unit is used for establishing and collecting user viewpoint data, and comprises corresponding relation analysis of the position of the user and viewpoints of the left eye and the right eye of the user.
As a further scheme of the invention: the position detection unit includes: a face recognition module and a sound capture module. The face recognition module and the sound capture module are both arranged on the panel display screen.
A naked eye 3D local area holographic display method comprises the following steps:
and S1, detecting the position of the user through a face recognition module and a sound capture module which are arranged in the position detection unit.
And S2, determining the viewpoints of the left eye and the right eye of the user according to the position of the user detected by the position detection unit.
And S3, adjusting the pixels corresponding to the viewpoints of the left eye and the right eye of the user through the database established by the intelligent database unit.
And S4, opening the sub-pixel corresponding to the viewpoint and closing other sub-pixels through the pixel control unit, so that the user only sees the display picture corresponding to the viewpoint needing to be seen.
Compared with the prior art, the invention has the beneficial effects that: the corresponding closing and opening of the viewpoint pixels on the display screen can be carried out. The user can only see the display picture corresponding to the view point needing to be seen. Therefore, the crosstalk phenomenon in the watching process is avoided, and the watching experience effect is improved.
And determining the ideal position information of the grating panel according to the position information of the current viewpoint of the user in front of the display screen through the control device. And adjusting the position of the grating panel relative to the display screen according to the determined ideal position information of the grating panel. And opening the sub-pixels corresponding to the eye viewpoints of the user on the display screen through the pixel control unit, and closing other sub-pixels. The user only sees the display picture corresponding to the viewpoint to be seen, and the viewing effect is improved.
Other features and advantages of the present invention will be disclosed in more detail in the following detailed description of the invention and the accompanying drawings.
Drawings
FIG. 1 is a schematic structural diagram of a naked eye 3D local area holographic display device according to the present invention;
FIG. 2 is a schematic cross-sectional view of the structure of the present invention.
FIG. 3 is an enlarged view of the top end fixing assembly shown in FIG. 2 according to the present invention.
FIG. 4 is an enlarged view of the side stabilizing assembly of FIG. 2 according to the present invention.
Fig. 5 is a schematic structural diagram of a pixel control unit according to the present invention.
List of reference numerals: a naked eye 3D local area holographic display device 100; a panel display assembly 10; a display panel mounting compartment 11; a panel display 12; a control device 20; a viewpoint tracking device 30; a grating panel mechanism 40; a grating mounting frame 41; a raster display panel 42; a mounting chute 43; a tip anchor assembly 44; a fixed pressing block 440; a fixed connection plate 441; a fixing bolt 442; a side stabilizing assembly 45; a sliding inner cavity 450; the contact plate 451; a rotation screw hole 452; rotating the screw 453; a pixel control unit 50; a position detection unit 60; a face recognition module 61; a sound capture module 62; a viewpoint determining unit 70; intelligent database unit 80.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to fig. 5, in an embodiment of the present invention, a naked-eye 3D local area holographic display device 100 includes: a panel display assembly 10, a control device 20, a viewpoint tracking device 30, and a raster panel mechanism 40. The panel display unit 10 is used to display a 3D screen. The control device 20 determines the ideal position information of the raster panel mechanism 40 according to the position information of the viewer's current viewpoint in front of the panel display assembly 10. The position of the raster panel mechanism 40 relative to the panel display assembly 10 is adjusted based on the determined desired position information of the raster panel mechanism 40. The panel display assembly 10 includes: a display panel installation compartment 11 and a panel display screen 12. The panel display 12 is provided on the display panel installation chamber 11. The control device 20 is disposed at the bottom end of the panel display 12. The viewpoint tracking device 30 is provided on the side of the control device 20. The viewpoint tracking device 30 is used for acquiring the position information of the current viewpoint of the user in front of the panel display 12 in real time in the 3D display mode, and determining whether the position of the viewpoint of the user in front of the panel display 12 changes. The grating panel mechanism 40 includes: a raster mounting frame 41, a raster display panel 42, a mounting slide 43, a top end fixing component 44 and a side stabilizing component 45. The grating mounting frame 41 is disposed on the light exit side of the panel display 12. The raster display panel 42 is slidably disposed on the raster mounting frame 41. The lenticular display panel 42 is controlled by the control means 20. The mounting slide rails 43 are symmetrically provided on the inner side of the display panel mounting compartment 11. The raster display panel 42 is slidably disposed in the mounting chute 43. The top end fixing member 44 is disposed at the top end of the grating mounting frame 41 for fixing the grating mounting frame 41 and the display panel mounting chamber 11. The side stabilizing member 45 is disposed at a side of the display panel installation chamber 11 for fixing a side of the grating installation frame 41.
In the embodiment of the invention, the existing naked eye 3D display device can also see the corresponding pictures on the adjacent viewpoints when a user watches the pictures. Therefore, the crosstalk phenomenon is generated, the display effect is influenced, and the watching experience of a user is greatly influenced.
The grating panel mechanism 40 is disposed on the light-emitting side of the panel display module 10. A control device 20 is provided below the panel display 12 when a user views a screen on the panel display 12. The control device 20 can determine the ideal position information of the raster panel mechanism 40 according to the position information of the viewer's current viewpoint in front of the panel display assembly 10. The position of the raster panel mechanism 40 relative to the panel display assembly 10 is adjusted based on the determined desired position information of the raster panel mechanism 40. Therefore, a more accurate viewpoint angle is provided for the user, and the watching effect of the user is better.
As shown in fig. 1 to 5, in the embodiment of the present invention, the tip fixing member 44 includes: fixing pressing block 440, fixing connecting plate 441 and fixing bolt 442. The fixed pressing block 440 is slidably disposed at the top end of the mounting chute 43. The fixed connecting plate 441 is vertically arranged at the top end of the fixed pressing block 440. The fixing bolt 442 is used to fixedly connect the fixing connection plate 441 and the display panel installation chamber 11.
The fixing connection plate 441 has an L-shape for easy fixing.
The top end of the fixing bolt 442 is provided with friction lines for facilitating rotation of the fixing bolt 442.
The lateral stabilizing assembly 45 includes: a slide cavity 450, an interference plate 451, a rotation screw hole 452, and a rotation screw 453. The slide cavity 450 opens on the inner wall of the mounting chute 43. The contact plate 451 is slidably disposed within the slide cavity 450. And the abutting plate 451 abuts against the side of the grating mounting frame 41. A rotation screw hole 452 is opened on the inner wall of the sliding chamber 450. The rotating screw 453 is rotatably inserted into the rotating screw hole 452. And the end of the rotating screw 453 is rotatably coupled to the interference plate 451.
The end of the rotating screw 453 is provided with an anti-slip thread for increasing the frictional force.
The inner side surface of the abutting plate 451 is provided with a protective soft cushion used for preventing the side edge of the grating mounting frame 41 from being scratched.
In the embodiment of the present invention, in order to facilitate the disassembly of the grating panel mechanism 40 during the installation process. The raster display panel 42 is mounted inside the raster mounting frame 41, and the raster display panel 42 can be adjusted under the control of the control device 20. And by a tip fixing member 44 provided at the tip of the grating mounting frame 41. The fixing pressing piece 440 inside the top end fixing member 44 can abut against the top end of the grating mounting frame 41. So that the barrier mounting frame 41 is stably mounted inside the display panel mounting compartment 11. The side stabilizing assembly 45 can abut against the side of the grating mounting frame 41 through the inner abutting plate 451, so that the grating mounting frame 41 is slidably mounted inside the mounting chute 43 more stably. The problem of inclination caused by shaking can not occur. The user can adjust the contact force between the contact plate 451 and the edge of the grating mounting frame 41 by rotating the rotating screw 453. The side portion of the grating mounting frame 41 is more stable.
As shown in fig. 1 to 5, in the embodiment of the present invention, the naked-eye 3D local area holographic display apparatus and method 100 further includes: a pixel control unit 50, a position detection unit 60, a viewpoint determination unit 70, and an intelligent database unit 80. The pixel control unit 50, the position detection unit 60, the viewpoint determination unit 70, and the intelligent database unit 80 are all disposed in the display panel installation chamber 11. The pixel control unit 50 is configured to turn on the sub-pixel corresponding to the viewpoint and turn off other sub-pixels, so that the user only sees the display screen corresponding to the viewpoint that needs to be seen. The position detection unit 60 is used to detect the position of the user. The viewpoint determining unit 70 is configured to determine the viewpoints at which the left and right eyes of the user are positioned, based on the position of the user detected by the position detecting unit 60. The intelligent database unit 80 is used for establishing and collecting viewpoint data of the user, and the intelligent database unit 80 includes corresponding relation analysis between the position of the user and the viewpoints of the left eye and the right eye of the user.
The position detection unit 60 includes: a face recognition module 61 and a sound capture module 62. The face recognition module 61 and the sound capture module 62 are both disposed on the front panel display 12.
In the embodiment of the present invention, the pixel control unit 50 provided inside the display panel mounting compartment 11 is used. The pixel control unit 50 can turn on the sub-pixels corresponding to the view points required by the user on the panel display 12, and turn off the sub-pixels at other positions. So that the user can only see the display screen corresponding to the viewpoint. And the position detection unit 60 can identify the face of the user according to the face recognition module 61, so as to find the specific position of the user. To determine the viewpoint at which the left and right eyes of the user are located. The face recognition module 61 can lock the position of the user again according to the voice made by the user, so as to ensure the accuracy of the viewpoint position. The intelligent database unit 80 is used for comprehensively collecting various data and rapidly processing the collected information. Thereby, it is possible to give an accurate control instruction to the viewpoint determining unit 70 and the control device 20, and to improve the viewing visual effect of the user.
A naked eye 3D local area holographic display method comprises the following steps:
and S1, detecting the position of the user through a face recognition module and a sound capture module which are arranged in the position detection unit.
And S2, determining the viewpoints of the left eye and the right eye of the user according to the position of the user detected by the position detection unit.
And S3, adjusting the pixels corresponding to the viewpoints of the left eye and the right eye of the user through the database established by the intelligent database unit 80.
And S4, opening the sub-pixel corresponding to the viewpoint and closing other sub-pixels through the pixel control unit, so that the user only sees the display picture corresponding to the viewpoint needing to be seen.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A naked eye 3D local holographic display device, comprising: the device comprises a panel display component, a control device, a viewpoint tracking device and a grating panel mechanism; the panel display component is used for displaying a 3D picture; the control device determines ideal position information of the raster panel mechanism according to the position information of the current viewpoint of the viewer in front of the panel display assembly; adjusting the position of the grating panel mechanism relative to the panel display assembly according to the determined ideal position information of the grating panel mechanism; the panel display assembly includes: the display panel mounting bin and the panel display screen are arranged on the display panel; the panel display screen is arranged on the display panel mounting bin; the control device is arranged at the bottom end of the panel display screen; the viewpoint tracking device is arranged at the side of the control device; the viewpoint tracking device is used for acquiring the position information of the current viewpoint of the user in front of the panel display screen in real time in a 3D display mode and determining whether the position of the viewpoint of the user in front of the panel display screen changes or not; the grating panel mechanism comprises: the grating display device comprises a grating mounting frame, a grating display panel, a mounting slideway, a top end fixing component and a side edge stabilizing component; the grating mounting frame is arranged on the light emergent side of the panel display screen; the grating display panel is arranged on the grating mounting frame in a sliding manner; the grating display panel is controlled by the control device; the installation slideways are symmetrically arranged on the inner side of the display panel installation bin; the grating display panel is arranged in the mounting slideway in a sliding manner; the top end fixing assembly is arranged at the top end of the grating mounting frame and is used for fixing the grating mounting frame and the display panel mounting bin; the side stabilizing assembly is arranged on the side of the display panel mounting bin and used for fixing the side of the grating mounting frame.
2. The naked eye 3D local area holographic display of claim 1,
the top end fixing assembly comprises: the fixing pressing block, the fixing connecting plate and the fixing bolt are arranged on the fixing base; the fixed pressing block is arranged at the top end of the installation slideway in a sliding manner; the fixed connecting plate is vertically arranged at the top end of the fixed pressing block; the fixing bolt is used for fixedly connecting the fixing connecting plate with the display panel mounting bin.
3. The naked eye 3D local area holographic display of claim 2,
the fixed connecting plate is L-shaped and convenient to fix.
4. The naked eye 3D local holographic display of claim 3,
and friction grains which are convenient to rotate the fixing bolt are arranged at the top end of the fixing bolt.
5. The naked eye 3D local holographic display of claim 4,
the side stabilizing assembly comprises: the sliding inner cavity, the abutting plate, the rotating screw hole and the rotating screw rod are arranged in the sliding inner cavity; the sliding inner cavity is formed in the inner wall of the mounting slideway; the abutting plate is arranged in the sliding inner cavity in a sliding mode; the contact plate is contacted with the side edge of the grating mounting frame; the rotating screw hole is formed in the inner wall of the sliding inner cavity; the rotating screw rod is rotatably inserted in the rotating screw hole; and the end part of the rotating screw rod is rotationally connected with the abutting plate.
6. The naked eye 3D local holographic display of claim 5,
the end of the rotating screw rod is provided with anti-slip threads for increasing friction force.
7. The naked eye 3D local holographic display of claim 6,
the medial surface that supports the touch panel is provided with and is used for the protection cushion that grating installing frame side was prevented scraping.
8. The naked eye 3D local holographic display of claim 7,
the naked eye 3D local area holographic display device and method further comprise: the system comprises a pixel control unit, a position detection unit, a viewpoint determination unit and an intelligent database unit; the pixel control unit, the position detection unit, the viewpoint determination unit and the intelligent database unit are all arranged in the display panel installation bin; the pixel control unit is used for opening the sub-pixels corresponding to the viewpoints and closing other sub-pixels, so that a user only sees a display picture corresponding to the viewpoint to be seen; the position detection unit is used for detecting the position of a user; the viewpoint determining unit is used for determining the viewpoints of the left eye and the right eye of the user according to the position of the user detected by the position detecting unit; the intelligent database unit is used for establishing and collecting user viewpoint data, and comprises corresponding relation analysis of the position of a user and viewpoints of left eyes and right eyes of the user.
9. The naked eye 3D local area holographic display of claim 8,
the position detection unit includes: the system comprises a face recognition module and a sound capture module; the face recognition module and the sound capture module are both arranged on the panel display screen.
10. A naked eye 3D local area holographic display method of the naked eye 3D local area holographic display device of claim 9, comprising the steps of:
s1, detecting the position of the user through the face recognition module and the sound capture module which are arranged in the position detection unit;
s2, determining the viewpoints of the left eye and the right eye of the user according to the position of the user detected by the position detection unit;
s3, adjusting pixels corresponding to the viewpoints of the left eye and the right eye of the user through the database established by the intelligent database unit;
and S4, opening the sub-pixel corresponding to the viewpoint and closing other sub-pixels through the pixel control unit, so that the user only sees the display picture corresponding to the viewpoint needing to see.
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| CN202210415542.XA CN114660825B (en) | 2022-04-18 | 2022-04-18 | Naked eye 3D local area holographic display device and method |
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| CN202210415542.XA CN114660825B (en) | 2022-04-18 | 2022-04-18 | Naked eye 3D local area holographic display device and method |
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| CN104345467A (en) * | 2014-11-27 | 2015-02-11 | 武汉褔图科技有限公司 | Adjustable and controllable type general naked-eye 3D (Three Dimensional) optical grating panel |
| CN104536578A (en) * | 2015-01-13 | 2015-04-22 | 京东方科技集团股份有限公司 | Control method and device for naked eye 3D display device and naked eye 3D display device |
| CN105445948A (en) * | 2016-01-04 | 2016-03-30 | 京东方科技集团股份有限公司 | Naked eye 3D display apparatus and display method |
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| CN214068196U (en) * | 2020-12-29 | 2021-08-27 | 河北中显智能科技有限公司 | Naked eye 3D optical building kit |
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2022
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| CN104345467A (en) * | 2014-11-27 | 2015-02-11 | 武汉褔图科技有限公司 | Adjustable and controllable type general naked-eye 3D (Three Dimensional) optical grating panel |
| CN104536578A (en) * | 2015-01-13 | 2015-04-22 | 京东方科技集团股份有限公司 | Control method and device for naked eye 3D display device and naked eye 3D display device |
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