CN102540489A - Aperture adjustable three-dimensional displaying device and method thereof - Google Patents
Aperture adjustable three-dimensional displaying device and method thereof Download PDFInfo
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- CN102540489A CN102540489A CN2012100796712A CN201210079671A CN102540489A CN 102540489 A CN102540489 A CN 102540489A CN 2012100796712 A CN2012100796712 A CN 2012100796712A CN 201210079671 A CN201210079671 A CN 201210079671A CN 102540489 A CN102540489 A CN 102540489A
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Abstract
The invention discloses an aperture adjustable three-dimensional displaying device and a method thereof. The three-dimensional displaying device comprises a two-dimensional displayer, a lens array, a liquid crystal display panel and a directional diffuser screen which are sequentially arranged along the direction of an optical path, and the three-dimensional displaying device further comprises a display unit control part connected with the liquid crystal display panel and the two-dimensional displayer respectively. Three-dimensional scenes required to be displayed are parsed into projection images, a corresponding arrangement mode is designed according to the types of parallax required to be displayed, and the projection images are combined into display images to be sent into the two-dimensional displayer according to the arrangement mode and to serve as image resources of projection displaying units. Arranged aperture patterns are input to the liquid crystal display panel, all projection displaying unit arrays perform convergence projection or parallel projection to the directional diffuser screen, and images are formed at the spatial assigned positions to form a series of spliced screenage, thereby achieving three-dimensional displaying. The aperture adjustable three-dimensional displaying device and the method of the aperture adjustable three-dimensional displaying device utilize the liquid crystal display panel as the aperture, and the aperture patterns are flexible and adjustable, thereby achieving various three-dimensional displaying effects.
Description
Technical field
The present invention relates to the dimension display technologies field, particularly a kind of display panels is as the three-dimensional display apparatus and the method for adjustable aperture.
Background technology
In view of the visual depth perception that 3-D display is brought, make beholder's nature and the third dimension degree information that obtains artificially in the picture, the 3-D display scheme that possesses commercial application prospect becomes the discussion focus of domestic and international industrial community.The lot of domestic and foreign dimension display technologies can be divided into generally that hologram three-dimensional shows and two kinds of non-holographic 3-D display.Hologram three-dimensional shows that because of it be the information record of very three-dimensional and the 3-D display mode that demonstration is described as future ideality; But needing high-resolution spatial light modulator and superfast data handling system aspect the dynamic demonstration; These two factors have greatly limited this development of technology makes it can not get into practical application well, is only applicable to the picked-up and the demonstration of still image at present.Therefore the non-holographic 3-D display is present main flow display technique, and realizes that the non-holographic dimension display technologies generally can be divided into body 3-D display, integration imaging 3-D display, stereoscopic 3-D display etc.Body 3-D display and stereoscopic 3-D display all have display device appearance preferably at present, yet mostly rely on rotating screen to satisfy the demand that full visual angle is watched based on the display device of body 3-D display, so display device structure relative complex cost is also higher; Though bore hole has considerable commercial promise from stereoscopic 3-D display, only be provided at mostly and realize the high-resolution 3-D display in the limited view-angle coverage.Then there is the problem that much needs solution in aspects such as number, picture crosstalk, the viewing area degree of depth and size to traditional integration imaging dimension display technologies at the visual angle.
The projection 3-D display produces big visual field and obtains extensive concern than the characteristic of grand sight picture with the aid of pictures with its more integrated apparatus structure.The present most complex structure of projection bore hole three-dimensional display apparatus of invested in plantization needs a large amount of projector and control circuit.In addition; Though most combined projection formula parallax type display device has adopted two dimensional display and self assembly lens arrangement projection display unit; But the emergent pupil of aperture array as projection display unit need be set; Like the patent No. is ZL201110178701; Patent name is the patent of " based on the stereoscopic three-dimensional display device of multi-screen splicing "; It adopts mode that the two dimensional display pixel region cuts apart and each the piece viewing area that guarantees display array all to constitute a projector with the projection lens and the aperture in dead ahead, and all projectors misplace in the vertical and arrange and project to directional scattering screen same position to the anticipation of its corresponding viewing area with the imaging in arc screen the place ahead, and this invention can realize the 3 D stereo of transverse parallaxes in the scope of very big market.Wherein said aperture is the emergent pupil of whole projector; Such aperture often designs and is processed as fixing structure in advance; Size and arrangement mode do not possess controllability, can't guarantee the alignment precision with the lens center, to having relatively high expectations of entire system parameter yet.And display device and parameter are in a single day definite, can only be as a kind of application of specific three dimensional displaying scheme, and concrete application scenario is limited.And many research and document also show, in the projection 3-D display, the parameter of emergent pupil often produces material impact to final imaging effect with design.
Summary of the invention
The objective of the invention is to overcome prior art and regulate very flexible, technical matters such as the application scenario is limited provides a kind of three-dimensional display apparatus and method of adjustable aperture.
A kind of adjustable aperture three-dimensional display apparatus; Said three-dimensional display apparatus comprises two dimensional display, lens arra and the directional scattering screen that sets gradually along optical path direction, and said three-dimensional display apparatus is provided with the display panels between said lens arra and said diffuser screen; And the display unit control assembly that links to each other with said two dimensional display with said display panels respectively;
Be provided with the aperture pattern in the said display panels; Said display unit control assembly also comprises the device that arrives said display panels according to the different aperture pattern of the requirement input of two dimensional display displayed map image source, regulates the device of the off-centring of each perspective view image source on the two dimensional display; And the device of regulating said input display panels aperture size.
A kind of adjustable aperture 3 D displaying method is characterized in that, comprises following steps:
(1) three-dimensional scenic is resolved to the required two-dimensional projection image of demonstration;
(2) confirm the arrangement mode of two-dimensional projection image according to the parallax type of required realization;
(3) according to the arrangement mode that designs two-dimensional projection image is combined into display image and sends into two dimensional display;
(4) arrangement mode according to lens arra designs corresponding aperture pattern, and input display panels, display panels are arranged at before the lens arra and are close to lens arra, as the emergent pupil of projection display unit;
(5) with each the sub-viewing area in the two dimensional display all with the dead ahead lens arra in each projecting lens and corresponding one by one formations of the door screen pattern of each light hole in display panels projection display unit, the lens of the two-dimensional projection image on the two dimensional display, lens arra correspondence and the formation of the aperture pattern on display panels projection display unit array;
(6) the projection display unit array converges projection or parallel projection to the directional scattering screen, and images in the space assigned address, forms the image of a series of splicings, realizes 3-D display.
If the parallax type described in the said step (2) is a transverse parallaxes, described arrangement mode is arranged for dislocation; If described parallax type is full parallax, described arrangement mode is an arranged.
Further; Step (6) may further comprise the steps: after the aperture pattern arrangement mode of lens arra and display panels is all confirmed; Through regulating the off-centring of each perspective view image source on the two dimensional display; And the size of regulating each aperture in the input aperture pattern, realize that projection display unit converges projection or parallel projection to the directional scattering screen.
The present invention is adjustable aperture three-dimensional display apparatus and method; Display device or the multi-projector structure fixing with respect to apparatus structure, the structure of two dimensional display collocation display panels has been practiced thrift cost; Simplify system architecture, increased projection alignment precision and displaying scheme dirigibility; The 3 D displaying method of scalable aperture is made in use based on display panels; Its projector distance, image magnification ratio, watch angular field of view all to have very big dirigibility; The size of aperture and arrangement mode can be according to concrete displaying scheme and directional scattering screen parameter designing, realize that same device uses multiple projection scheme.
Description of drawings
Fig. 1 is an adjustable aperture three-dimensional display apparatus structural representation of the present invention;
Fig. 2 realizes the aperture pattern synoptic diagram of transverse parallaxes 3-D display for the present invention;
Fig. 3 realizes the aperture pattern synoptic diagram of full parallax 3-D display for the present invention;
Fig. 4 is a transverse parallaxes 3-D display effect synoptic diagram of the present invention;
Fig. 5 is a full parallax 3-D display effect synoptic diagram of the present invention;
Fig. 6 is the process flow diagram of adjustable aperture 3 D displaying method of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is done further elaboration.
Fig. 1 makes the three-dimensional display apparatus of adjustable aperture for a kind of display panels 3 of realizing present embodiment; Comprise the two dimensional display 1, lens arra 2, display panels 3 and the directional scattering screen 4 that set gradually along optical path direction, display unit control assembly 5 is connected with display panels 3 with two dimensional display 1 respectively.Said display unit control assembly 5 also comprises the device that arrives said display panels 3 according to the different aperture pattern of the requirement input of two dimensional display 1 displayed map image source, regulates the device of the off-centring of each perspective view image source on the two dimensional display 1; And the device of regulating said input display panels 3 aperture sizes.
Do the design of scalable aperture based on display panels 3, its aperture pattern shape can be circle or rectangle, and the aperture transmitance can be whole logical light or the logical light of gradual change.
Fig. 2 is the aperture array pattern synoptic diagram of present embodiment realization transverse parallaxes 3-D display, and each aperture in this aperture array is a circle hole shape, and should be vertical dislocation arrangement by the circle aperture.
Fig. 3 realizes the aperture array pattern synoptic diagram of full parallax 3-D display for present embodiment, and each aperture in this aperture array is a circle hole shape, and this circle aperture is arranged.
Fig. 4 is the transverse parallaxes 3-D display effect synoptic diagram of present embodiment, and the Projection Display image is launched into a series of vertical bar images in the designated space imaging behind directional scattering screen 4, in horizontally-spliced one-tenth full view.
Fig. 5 is the full parallax 3-D display effect synoptic diagram of present embodiment, and the Projection Display image is launched into series of rectangular calcspar picture through directional scattering screen 4 in the designated space imaging, in the horizontal and vertical full view that is spliced into.
Described two dimensional display 1 is LCD, LCOS, PDP, LED, CRT, OLED or projector.
Fig. 6 is the 3-D display implementation method process flow diagram of the adjustable aperture of the present invention, and concrete steps are following:
S1, the three-dimensional scenic that is shown is carried out three-dimensional space describe, resolve to the required projected image of series of displays;
S2, the parallax type design arrangement mode that shows as required comprise the arrangement mode of two dimensional display 1, the arrangement mode of lens and the arrangement mode of aperture;
If described parallax type is a transverse parallaxes, then described arrangement mode is arranged for dislocation;
If described parallax type is full parallax, then described arrangement mode is an arranged;
S3, projected image are combined into display image according to the arrangement mode that designs and send into two dimensional display 1, as the figure image source of projection display unit;
S4, design corresponding aperture pattern according to the arrangement mode of lens arra 2, input display panels 3, display panels 3 are arranged at before the lens arra 2 and are close to lens arra 2, as the emergent pupil of projection display unit;
S5, with each the sub-viewing area in the two dimensional display 1 all with dead ahead lens arra 2 in each projecting lens and corresponding one by one formations of the door screen pattern of each light hole in the display panels 3 projection display unit, the lens of the two-dimensional projection image on the two dimensional display 1, lens arra 2 correspondences and the formation of the aperture patterns on the display panels 3 projection display unit array;
S6, all projection display unit arrays converge projection or parallel projection to directional scattering screen 4, and image in the space assigned address, form the image of a series of splicings, realize 3-D display.
After the aperture pattern arrangement mode of lens arra 2 and display panels 3 is all confirmed; Off-centring through each perspective view image source on the display unit control assembly 5 adjusting two dimensional displays 1; Regulate the size of each aperture in the input aperture pattern, realize that projection display unit converges projection or parallel projection to directional scattering screen 4.
Difference according to arrangement mode; The designated space place that is implemented in directional scattering screen 4 forms a series of vertical bar images; In horizontally-spliced one-tenth full view; Perhaps form a series of matrix calcspar pictures, simultaneously in the horizontal and vertical full view that is spliced to form full parallax at the designated space place of directional scattering screen 4.
In the device of the adjustable aperture 3 D displaying method of present embodiment and this method of realization; The aperture pattern shape is circular; The aperture transmitance is whole logical light, realizes display panels 3 is imported the switching easily of aperture patterns according to the requirement of two dimensional display 1 displayed map image source through display unit control assembly 5.The 3 D displaying method of scalable aperture is made in use based on display panels 3; Its projector distance, image magnification ratio, watch angular field of view all to have very big dirigibility; Can realize multiple 3-D display effect according to practical application through the arrangement mode that changes lens arra 2, the off-centring that image source is respectively schemed in two dimensional display 1 input, the arrangement mode of display panels 3 input aperture patterns and the scattering properties of size and directional scattering screen 4.
Claims (8)
1. adjustable aperture three-dimensional display apparatus, said three-dimensional display apparatus comprise two dimensional display, lens arra and the directional scattering screen that sets gradually along optical path direction, it is characterized in that:
Said three-dimensional display apparatus is provided with the display panels between said lens arra and said diffuser screen; And the display unit control assembly that links to each other with said two dimensional display with said display panels respectively.
2. adjustable aperture three-dimensional display apparatus according to claim 1 is characterized in that: be provided with the aperture pattern in the said display panels.
3. adjustable aperture three-dimensional display apparatus according to claim 2 is characterized in that: said display unit control assembly also comprises:
Arrive the device of said display panels according to the different aperture pattern of the requirement input of two dimensional display displayed map image source;
Regulate the device of the off-centring of each perspective view image source on the two dimensional display;
Regulate the device of said input display panels aperture size.
4. an adjustable aperture 3 D displaying method is characterized in that, comprises following steps:
(1) three-dimensional scenic is resolved to the required two-dimensional projection image of demonstration;
(2) confirm the arrangement mode of two-dimensional projection image according to the parallax type of required realization;
(3) according to the arrangement mode that designs two-dimensional projection image is combined into display image and sends into two dimensional display;
(4) arrangement mode according to lens arra designs corresponding aperture pattern, and input display panels, display panels are arranged at before the lens arra and are close to lens arra, as the emergent pupil of projection display unit;
(5) with each the sub-viewing area in the two dimensional display all with the dead ahead lens arra in each projecting lens and corresponding one by one formations of the door screen pattern of each light hole in display panels projection display unit, the lens of the two-dimensional projection image on the two dimensional display, lens arra correspondence and the formation of the aperture pattern on display panels projection display unit array;
(6) the projection display unit array converges projection or parallel projection to the directional scattering screen, and images in the space assigned address, forms the image of a series of splicings, realizes 3-D display.
5. adjustable aperture 3 D displaying method according to claim 4 is characterized in that the parallax type described in the step (2) is a transverse parallaxes, and described arrangement mode is arranged for dislocation.
6. adjustable aperture 3 D displaying method according to claim 4 is characterized in that the parallax type described in the said step (2) is full parallax, and described arrangement mode is an arranged.
7. adjustable aperture 3 D displaying method according to claim 4 is characterized in that, step (6) comprising: regulate the off-centring of each perspective view image source on the two dimensional display, realize that projection display unit converges projection or parallel projection to the directional scattering screen.
8. adjustable aperture 3 D displaying method according to claim 7 is characterized in that, step (6) comprising: regulate the size of each aperture in the input aperture pattern, realize that projection display unit converges projection or parallel projection to the directional scattering screen.
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| CN201210079671.2A CN102540489B (en) | 2012-03-23 | 2012-03-23 | Aperture adjustable three-dimensional displaying device and method thereof |
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Cited By (10)
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| CN103364961A (en) * | 2013-08-02 | 2013-10-23 | 浙江大学 | Three-dimensional display device and method based on multi-projection array and multilayered liquid crystal composite modulation |
| CN103676155A (en) * | 2013-12-31 | 2014-03-26 | 苏州卫生职业技术学院 | Array lens assembly visual system of low-vision glasses |
| CN103698888A (en) * | 2013-12-18 | 2014-04-02 | 京东方科技集团股份有限公司 | 3D (three-dimensional) display device |
| CN106154566A (en) * | 2016-07-06 | 2016-11-23 | 北京邮电大学 | A kind of 3 d light fields display system and display parameters determine method |
| CN106940486A (en) * | 2017-04-25 | 2017-07-11 | 京东方科技集团股份有限公司 | A kind of display device and its display methods |
| CN107121786A (en) * | 2017-05-18 | 2017-09-01 | 中国人民解放军装甲兵工程学院 | Integration imaging light field shows the calibration method of system lenses array |
| CN108919502A (en) * | 2018-08-03 | 2018-11-30 | 北京航空航天大学 | A kind of integration imaging double vision 3D display device based on optics diffuser screen |
| CN110426857A (en) * | 2019-07-28 | 2019-11-08 | 成都工业学院 | Integration imaging 3D display device based on gradual change width rectangle pinhole array |
| CN111308698A (en) * | 2020-02-14 | 2020-06-19 | 浙江大学 | Directional display screen, induction type three-dimensional display device and display method thereof |
| CN112470073A (en) * | 2018-08-22 | 2021-03-09 | 莱特斯贝斯科技有限公司 | Table top volume display device and method for displaying three-dimensional image |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103364961A (en) * | 2013-08-02 | 2013-10-23 | 浙江大学 | Three-dimensional display device and method based on multi-projection array and multilayered liquid crystal composite modulation |
| CN103364961B (en) * | 2013-08-02 | 2016-03-09 | 浙江大学 | Based on the 3 D displaying method of many projected array and multilayer liquid crystal complex modulated |
| CN103698888A (en) * | 2013-12-18 | 2014-04-02 | 京东方科技集团股份有限公司 | 3D (three-dimensional) display device |
| CN103676155A (en) * | 2013-12-31 | 2014-03-26 | 苏州卫生职业技术学院 | Array lens assembly visual system of low-vision glasses |
| CN106154566A (en) * | 2016-07-06 | 2016-11-23 | 北京邮电大学 | A kind of 3 d light fields display system and display parameters determine method |
| CN106940486A (en) * | 2017-04-25 | 2017-07-11 | 京东方科技集团股份有限公司 | A kind of display device and its display methods |
| US10795191B2 (en) | 2017-04-25 | 2020-10-06 | Boe Technology Group Co., Ltd. | Display device including optical element having adjustable refractive index and display method |
| CN107121786B (en) * | 2017-05-18 | 2019-07-19 | 中国人民解放军装甲兵工程学院 | The calibration method of integration imaging light field display system lens array |
| CN107121786A (en) * | 2017-05-18 | 2017-09-01 | 中国人民解放军装甲兵工程学院 | Integration imaging light field shows the calibration method of system lenses array |
| CN108919502A (en) * | 2018-08-03 | 2018-11-30 | 北京航空航天大学 | A kind of integration imaging double vision 3D display device based on optics diffuser screen |
| CN112470073A (en) * | 2018-08-22 | 2021-03-09 | 莱特斯贝斯科技有限公司 | Table top volume display device and method for displaying three-dimensional image |
| CN112470073B (en) * | 2018-08-22 | 2022-09-06 | 莱特斯贝斯科技有限公司 | Table-top volume display device and method for displaying three-dimensional image |
| CN110426857A (en) * | 2019-07-28 | 2019-11-08 | 成都工业学院 | Integration imaging 3D display device based on gradual change width rectangle pinhole array |
| CN110426857B (en) * | 2019-07-28 | 2024-03-26 | 成都航空职业技术学院 | Integrated imaging 3D display device based on gradual change width rectangle pinhole array |
| CN111308698A (en) * | 2020-02-14 | 2020-06-19 | 浙江大学 | Directional display screen, induction type three-dimensional display device and display method thereof |
| CN111308698B (en) * | 2020-02-14 | 2021-06-29 | 浙江大学 | Directional display screen, induction type three-dimensional display device and display method thereof |
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