CN114660825B - Naked eye 3D local area holographic display device and method - Google Patents
Naked eye 3D local area holographic display device and method Download PDFInfo
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- CN114660825B CN114660825B CN202210415542.XA CN202210415542A CN114660825B CN 114660825 B CN114660825 B CN 114660825B CN 202210415542 A CN202210415542 A CN 202210415542A CN 114660825 B CN114660825 B CN 114660825B
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001514 detection method Methods 0.000 claims description 19
- 230000000087 stabilizing effect Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 230000004888 barrier function Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—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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- Optics & Photonics (AREA)
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Abstract
The invention relates to a naked eye 3D local area holographic display device and a method; a naked eye 3D localized holographic display device comprising: the device comprises a panel display assembly, a control device, a viewpoint tracking device and a grating panel mechanism. The panel display assembly is used for displaying the 3D picture. The control means determines ideal positional information of the lenticular panel mechanism based on positional information of the current viewpoint of the viewer in front of the panel display assembly. And 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: display panel installs storehouse and panel display screen. The panel display screen is arranged on the display panel mounting bin. The invention has the advantage that the view point pixels on the display screen can be correspondingly turned off and on. The user can only see the display picture corresponding to the viewpoint to be seen. And further, 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 area holographic display device and a naked eye 3D local area holographic display method.
Background
The naked eye 3D display device is a display device capable of seeing 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 parallax barrier is placed in front of a display panel of a 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 generates 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. The general user can clearly watch the corresponding display picture only by watching the view points required by the two eyes of the display screen. However, the existing naked eye 3D display device can see the corresponding picture on the adjacent view point when the user views the device. Thereby generating crosstalk phenomenon, which not only affects the display effect, but also greatly affects the viewing experience of the user.
Disclosure of Invention
The invention aims to provide a naked eye 3D local area holographic display device and a method, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a naked eye 3D localized holographic display device, comprising: the device comprises a panel display assembly, a control device, a viewpoint tracking device and a grating panel mechanism. The panel display assembly is used for displaying the 3D picture. The control means determines ideal positional information of the lenticular panel mechanism based on positional information of the current viewpoint of the viewer in front of the panel display assembly. And 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: display panel installs storehouse and 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 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 the 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 includes: the device comprises a grating mounting frame, a grating display panel, a mounting slideway, a top end fixing component and a side stabilizing component. 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 manner. The raster display panel is controlled by a control device. The installation slide ways 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 way. The top fixed subassembly sets up the top at grating installing frame and is used for fixing grating installing frame and display panel installation storehouse. 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 assembly includes: the device comprises a fixed pressing block, a fixed connecting plate and a fixed bolt. The fixed briquetting slides and sets up on the top of installation slide. The fixed connection board is vertically arranged at the top end of the fixed pressing block. The fixing bolts are used for fixedly connecting the fixing connecting plates with the display panel mounting bin.
As a further scheme of the invention: the fixed connection plate is L-shaped for convenient fixation.
As a further scheme of the invention: the top of fixing bolt is provided with the friction line that conveniently rotates fixing bolt.
As a further scheme of the invention: the side stabilizing component comprises: sliding inner cavity, conflict board, rotation screw and rotation screw rod. The sliding inner cavity is arranged on the inner wall of the installation slideway. The interference plate is arranged in the sliding inner cavity in a sliding way. And the abutting plate abuts against 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 rod is inserted into the rotating screw hole in a rotating way. 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 patterns for increasing friction force.
As a further scheme of the invention: the inner side of the abutting plate is provided with a protection cushion for preventing the side 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 view points and closing other sub-pixels, so that a user only sees the display picture corresponding to the view points to be seen. The position detection unit is used for detecting the position of the user. The viewpoint determining unit is used for determining viewpoints of left eyes and right eyes 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 the viewpoint data of the user, and comprises corresponding relation analysis of the position of the user and the viewpoints of the left eye and the right eye of the user.
As a further scheme of the invention: the position detection unit includes: face recognition module and sound capture module. The face recognition module and the sound capturing module are both arranged on the panel display screen.
A naked eye 3D local area holographic display method comprises the following steps:
s1, detecting the position of a user through a face recognition module and a sound capturing module which are internally installed in a position detection unit.
S2, according to the position of the user detected by the position detection unit, the viewpoints of the left eye and the right eye of the user are determined.
S3, adjusting pixels corresponding to the viewpoints of the left eye and the right eye of the user through a database established by the intelligent database unit.
S4, through the pixel control unit, the sub-pixels corresponding to the view points are opened, and other sub-pixels are closed, so that a user only sees the display picture corresponding to the view points to be seen.
Compared with the prior art, the invention has the beneficial effects that: the view point pixels on the display screen can be correspondingly turned off and on. The user can only see the display picture corresponding to the viewpoint to be seen. And further, the crosstalk phenomenon in the watching process is avoided, and the watching experience effect is improved.
And determining 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 by 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 then, the sub-pixels corresponding to the eye point of the user on the display screen are opened and other sub-pixels are closed through the pixel control unit. The user can only see 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 the following detailed description of the invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of an naked eye 3D local area holographic display device of the present invention;
fig. 2 is a schematic cross-sectional view of the structure of the present invention.
FIG. 3 is an enlarged schematic view of the tip fixing assembly of FIG. 2 according to the present invention.
FIG. 4 is an enlarged schematic view of the side stabilizing element of FIG. 2 according to the present invention.
Fig. 5 is a schematic diagram of a pixel control unit according to the present invention.
List of reference numerals: naked eye 3D local area holographic display 100; a panel display assembly 10; a display panel mounting bin 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 slide 43; a top end securing assembly 44; a fixed press block 440; a fixed connection plate 441; a fixing bolt 442; a lateral stabilizing assembly 45; a sliding lumen 450; a collision plate 451; rotating the screw hole 452; rotating the screw 453; a pixel control unit 50; a position detecting unit 60; a face recognition module 61; a sound capture module 62; a viewpoint determining unit 70; an intelligent database unit 80.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 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 assembly 10 is used for displaying 3D pictures. The control device 20 determines the ideal positional information of the lenticular panel mechanism 40 based on the positional information of the current viewpoint of the viewer 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 positional information of the raster panel mechanism 40. The panel display assembly 10 includes: a display panel mounting bin 11 and a panel display 12. The panel display 12 is provided on the display panel mounting bin 11. The control device 20 is disposed at the bottom end of the panel display 12. The viewpoint tracking device 30 is provided at the side of the control device 20. The viewpoint tracking device 30 is configured to obtain, in real time, position information of a current viewpoint of the user in front of the panel display 12 in the 3D display mode, and determine whether the position of the viewpoint of the user in front of the panel display 12 is changed. The grating panel mechanism 40 includes: a grating mounting frame 41, a grating display panel 42, a mounting slide 43, a top end fixing assembly 44, and a side stabilizing assembly 45. The grating mount frame 41 is provided on the light-emitting side of the panel display 12. The grating display panel 42 is slidably disposed on the grating mount frame 41. The raster display panel 42 is controlled by the control device 20. The mounting slide ways 43 are symmetrically arranged on the inner side of the display panel mounting bin 11. The raster display panel 42 is slidably disposed within the mounting slide 43. The top fixing assembly 44 is provided at the top of the barrier mounting frame 41 for fixing the barrier mounting frame 41 to the display panel mounting bin 11. The side stabilizing members 45 are provided at the sides of the display panel mounting bin 11 for fixing the sides of the louver mounting frame 41.
In the embodiment of the invention, the existing naked eye 3D display device can see the corresponding picture on the adjacent view point when the user watches the picture. Thereby generating crosstalk phenomenon, which not only affects the display effect, but also greatly affects the viewing experience of the user.
By providing the lenticular panel mechanism 40 on the light exit side of the panel display assembly 10. A control device 20 is provided below the panel display 12 when a user is viewing a picture on the panel display 12. The control device 20 is capable of determining the ideal positional information of the lenticular panel mechanism 40 based on the positional information of the current viewpoint of the viewer 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 positional information of the raster panel mechanism 40. Thereby providing more accurate viewpoint angle for users, and leading the viewing effect to be better.
As shown in fig. 1 to 5, in the embodiment of the present invention, the tip fixing assembly 44 includes: a fixing pressing block 440, a fixing connection plate 441, and a fixing bolt 442. The fixed pressing block 440 is slidably disposed at the top end of the mounting slide 43. The fixed connection plate 441 is vertically disposed at the top end of the fixed pressing block 440. The fixing bolts 442 are used to fixedly connect the fixing connection plate 441 with the display panel mounting bin 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 side stabilizing component 45 includes: a sliding inner cavity 450, a collision plate 451, a rotation screw hole 452 and a rotation screw 453. The sliding cavity 450 is open on the inner wall of the mounting slide 43. The interference plate 451 is slidably disposed within the sliding cavity 450. And the interference plate 451 interferes with the side of the grating mount frame 41. A rotation screw hole 452 is provided on the inner wall of the sliding inner chamber 450. The rotation screw 453 is rotatably inserted in the rotation screw hole 452. And the end of the rotation screw 453 is rotatably connected to the interference plate 451.
The end of the rotation screw 453 is provided with anti-slip patterns for increasing friction.
The inner side of the abutting plate 451 is provided with a protective cushion for preventing scratch of the side of the grating mount frame 41.
In an embodiment of the present invention, the grating panel mechanism 40 is more conveniently detached during the installation process. The grating display panel 42 is mounted inside the grating mounting frame 41, and the grating display panel 42 can be adjusted under the control of the control device 20. And through a tip fixing member 44 provided at the tip of the grating mount frame 41. The fixing pressing block 440 inside the top fixing assembly 44 can interfere with the top of the grating mount frame 41. So that the grating mounting frame 41 is stably mounted inside the display panel mounting bin 11. The side stabilizing assembly 45 can abut against the side edge of the grating mounting frame 41 through the inner abutting plate 451, so that the grating mounting frame 41 is slidably mounted in the mounting slideway 43 to be more stable. The problem of tilting due to shaking does not occur. The user can adjust the abutting force of the abutting plate 451 against the edge of the grating mount frame 41 by rotating the rotation screw 453. So that the edge of the grating mount 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 device and method 100 further include: 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 within the display panel mounting bin 11. The pixel control unit 50 is configured to turn on the sub-pixel corresponding to the viewpoint, and turn off the other sub-pixels, so that the user only sees the display screen corresponding to the viewpoint 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 viewpoints at which left and right eyes of a user are located, 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 user viewpoint data, and the intelligent database unit 80 includes correspondence 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: the face recognition module 61 and the sound capture module 62. The face recognition module 61 and the sound capture module 62 are both provided on the panel display 12.
In the embodiment of the present invention, the pixel control unit 50 is provided inside the display panel mounting bin 11. The pixel control unit 50 can turn on the sub-pixels corresponding to the view point required for the user to view 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 recognize the face of the user according to the face recognition module 61, thereby finding the specific position of the user. To determine the point of view at which the user's left and right eyes are located. The face recognition module 61 can lock the position again according to the sound made by the user, so as to ensure the accurate viewpoint position. The intelligent database unit 80 is used for comprehensively collecting various data and rapidly processing the collected information. Thus, a precise control instruction can be issued to the viewpoint determining unit 70 and the control device 20, and the viewing visual effect of the user can be improved.
A naked eye 3D local area holographic display method comprises the following steps:
s1, detecting the position of a user through a face recognition module and a sound capturing module which are internally installed in a position detection unit.
S2, according to the position of the user detected by the position detection unit, the viewpoints of the left eye and the right eye of the user are determined.
And S3, adjusting pixels corresponding to the viewpoints of the left eye and the right eye of the user through a database established by the intelligent database unit 80.
S4, through the pixel control unit, the sub-pixels corresponding to the view points are opened, and other sub-pixels are closed, so that a user only sees the display picture corresponding to the view points 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 characteristics 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. A naked eye 3D localized holographic display device, comprising: the device comprises a panel display assembly, a control device, a viewpoint tracking device and a grating panel mechanism; the panel display component is used for displaying the 3D picture; the control device determines ideal position information of the grating 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 a panel display assembly according to the determined ideal position information of the grating panel mechanism; the panel display assembly includes: a display panel mounting bin and a 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 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 is changed or not; the grating panel mechanism includes: the device comprises a grating mounting frame, a grating display panel, a mounting slideway, a top end fixing component and a side stabilizing component; 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 manner; the grating display panel is controlled by the control device; the mounting slide ways are symmetrically arranged on the inner side of the display panel mounting bin; the grating display panel is arranged in the installation slideway in a sliding way; the top 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;
the tip fixing assembly includes: the device comprises a fixed pressing block, a fixed connecting plate and a fixed 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 bolts are used for fixedly connecting the fixing connecting plates with the display panel mounting bin;
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 formed on the inner wall of the installation slideway; the interference plate is arranged in the sliding inner cavity in a sliding way; the abutting plate abuts against 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 is inserted into the rotating screw hole in a rotating way; the end part of the rotating screw rod is rotationally connected with the abutting plate;
the naked eye 3D local area holographic display device 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-pixel corresponding to the view point, and closing other sub-pixels, so that a user only sees the display picture corresponding to the view point to be seen; the position detection unit is used for detecting the position of a user; the viewpoint determining unit is used for determining viewpoints of left eyes and right eyes 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 positions of the users and viewpoints of the left eyes and the right eyes of the users.
2. The naked eye 3D partial holographic display of claim 1, in which the fixed connection plate is L-shaped for ease of fixation.
3. The naked eye 3D partial holographic display of claim 2, wherein the top end of the fixing bolt is provided with rubbing lines for facilitating rotation of the fixing bolt.
4. The naked eye 3D partial holographic display of claim 1, wherein the end of the rotating screw is provided with anti-skid threads for increasing friction.
5. The naked eye 3D local area holographic display of claim 4, wherein the inner side surface of the abutting plate is provided with a protective cushion for preventing the side edge of the grating mounting frame from being scratched.
6. The naked eye 3D partial holographic display of claim 1, in which the position detection unit comprises: a face recognition module and a sound capturing module; the face recognition module and the sound capturing module are both arranged on the panel display screen.
7. A naked eye 3D partial holographic display method of the naked eye 3D partial holographic display device of claim 6, comprising the steps of:
s1, detecting the position of a user through the face recognition module and the sound capturing module which are internally installed 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 a database established by the intelligent database unit;
s4, through the pixel control unit, the sub-pixels corresponding to the view points are opened, and other sub-pixels are closed, so that a user only sees the display picture corresponding to the view points to be seen.
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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 |
| CN107396087A (en) * | 2017-07-31 | 2017-11-24 | 京东方科技集团股份有限公司 | Naked eye three-dimensional display device and its control method |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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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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