CN106560733B - Aerial imaging element, aerial imaging display device and application thereof - Google Patents
Aerial imaging element, aerial imaging display device and application thereof Download PDFInfo
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- CN106560733B CN106560733B CN201610380381.XA CN201610380381A CN106560733B CN 106560733 B CN106560733 B CN 106560733B CN 201610380381 A CN201610380381 A CN 201610380381A CN 106560733 B CN106560733 B CN 106560733B
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- aerial imaging
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
- G02B5/126—Reflex reflectors including curved refracting surface
- G02B5/128—Reflex reflectors including curved refracting surface transparent spheres being embedded in matrix
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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
- G02B30/50—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels
- G02B30/56—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images the image being built up from image elements distributed over a 3D volume, e.g. voxels by projecting aerial or floating images
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F19/00—Advertising or display means not otherwise provided for
- G09F19/12—Advertising or display means not otherwise provided for using special optical effects
- G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
Abstract
The invention relates to the field of optical imaging, in particular to an aerial imaging element, an aerial imaging display device and application thereof. In order to solve the problems, the invention provides the optical element which has a simple structure and low production cost and is suitable for a large aerial imaging display platform. The optical element bends the light rays of an incident image, the section of the bottom of the optical element is a spherical reflecting surface, and the light rays form an aerial real image corresponding to the incident image after being reflected for at least 2 times on the reflecting surface of the bottom of the optical element. By applying the aerial imaging technology, no medium is needed, and real images can appear in the air without any real objects. The aerial image can be touched by fingers and can be operated, so that a brand-new aerial imaging man-machine interaction system is realized.
Description
Technical Field
The invention relates to the field of optical imaging, in particular to an aerial imaging element, an aerial imaging display device and application thereof.
Background
With the development of science and technology, the aerial imaging technology is applied more and more.
The current stereoscopic imaging techniques can be divided into three major categories: 1) the binocular stereoscopic imaging technology, the stereoscopic image is composed of two images with parallax, and the spectators need to wear auxiliary devices to watch, such as binocular film viewers, red-green (or red-blue) glasses, polaroid glasses, liquid crystal light valve glasses, stereoscopic helmet displays and the like; 2) the grating stereo image technology, in which a stereo image is synthesized by more than 2 images with horizontal parallax, and a viewer can watch a stereo picture without wearing glasses, is widely applied to industries such as multimedia display, advertisement display, home decoration, wedding photography, stereo printing and the like; 3) the laser holographic technology needs coherent light for recording image and has wide application in holographic anti-fake trade mark, card and packing material. In addition, there are also non-mainstream stereoscopic display technologies such as zoom mirror technology, concave mirror (or convex lens) stereoscopic projection technology, light-emitting crystal imaging, smoke and water curtain imaging, and the like.
The characteristics of the stereo image are as follows: a perfect stereogram is composed of two or more layers, is visually distinct in color, has strong visual impact, and enables a person to watch the stereogram to have long scene staying time and to have a deep impression. The stereogram is real and lifelike, and people have the desire to make the picture feel as if being personally on the scene and have high artistic appreciation value. The enterprise is packaged by utilizing the three-dimensional image, so that the image of the enterprise is more vivid, and the strength and the grade of the enterprise are highlighted. Increase the influence! Can highlight the high quality and high grade of the product. And the device can also be used for making colorful and well-arranged stereoscopic wedding dresses and photos, and is one of the latest selling points in the current image industry.
At present, the DCRA optical element is adopted to realize aerial imaging, but the accuracy requirement on the optical element is limited: the DCRA optical element is formed by combining tiny mirrors with the size of 100 μm, the processing precision of the DCRA optical element needs to be within tens of nanometers, and therefore the DCRA optical element can only be used for aerial imaging of small images, and the processing cost is high. Currently, aerial imaging technology for large images is not really realized.
Disclosure of Invention
In order to solve the problems, the invention provides the optical element which has a simple structure and low production cost and is suitable for a large aerial imaging display platform.
The optical element bends the light rays of an incident image, the section of the bottom of the optical element is a spherical reflecting surface, and the light rays form an aerial real image corresponding to the incident image after being reflected for at least 2 times on the reflecting surface of the bottom of the optical element.
Preferably, the diameter of the spherical reflecting surface is less than 1mm, and the spherical reflecting surface is preferably a hemisphere surface.
Preferably, the optical element is a transparent sphere with a reflective film plated on the bottom.
Preferably, the optical element is a transparent hemisphere with a bottom plated with a reflecting film.
Preferably, the optical element is a transparent hollow sphere coated with a reflective film at the bottom.
Preferably, the optical element is a transparent hollow hemisphere with a bottom plated with a reflective film.
Preferably, the optical element is a transparent hollow hemisphere with a reflecting film plated on the inner side.
Preferably, the optical element is a transparent cylinder coated with a reflective film on the bottom.
Preferably, the optical element is a transparent semi-cylinder coated with a reflective film at the bottom.
Preferably, the optical element is an arc-shaped reflecting surface.
An aerial imaging element comprises 1 or more optical elements for bending light rays of an incident image, wherein the bottom of each optical element is a spherical reflecting surface, and the light rays form an aerial real image corresponding to the incident image after being reflected for at least 2 times by the spherical reflecting surface at the bottom of each optical element.
Preferably, the diameter of the spherical reflecting surface is less than 1mm, and the spherical reflecting surface is preferably a hemisphere surface.
Preferably, the optical element is a transparent sphere with a reflective film plated on the bottom.
Preferably, the optical elements are arranged in a regular pattern on a horizontal plane.
Preferably, the optical element is fixed on the substrate by an adhesive layer.
Preferably, the substrate is a cloth cover or a hard plate (the color is preferably black or other opaque dark colors).
In addition, the invention also provides a display device for aerial imaging.
The aerial imaging display device comprises a plurality of optical elements for bending light rays of an incident image, wherein the bottom of each optical element is a spherical reflecting surface, and the light rays form an aerial real image corresponding to the incident image after being reflected for at least 2 times on the spherical reflecting surface at the bottom of each optical element; the projection device is used for bearing an incident image, and light generated by the incident image displayed by the projection device passes through the aerial imaging element to form a real image in the air.
Preferably, the diameter of the spherical reflecting surface is less than 1mm, and the spherical reflecting surface is preferably a hemisphere surface.
Preferably, the optical element is a transparent sphere with a reflective film plated on the bottom. The refractive index of the transparent spheres is 2.
Preferably, the optical elements are arranged in a regular pattern on a horizontal plane.
Preferably, the optical element is fixed on the substrate by an adhesive layer.
Preferably, the substrate is a cloth cover.
Preferably, the projection device can perform human-computer interaction in a wired or wireless manner.
In addition, the invention also provides the application of the aerial imaging display device in speech terms, stage performance, instrument display and medical systems.
The invention provides the real image of the prompter only seen by the speaker on the lecture station lecture, news broadcast and the like, and the scene audience can not be influenced by shooting.
The invention can image the information of the instrument dial in the air, is convenient to observe, is particularly practical for a car navigation system, and reduces the potential safety hazard that a driver looks down to navigate.
The invention can form real images in the stage of the performance, reduce the invariance and the cost of the real set and avoid the unreality of the prior screen background.
The invention can be used in the air without any air, so that people can see large-scale air images which can pass through; can be used for digital signage and entertainment places, guide signage and other applications; the method is applied to sightseeing places and can be used for experiencing urban walls which can cross; the device is applied to entertainment places and can be used for observing the attic in the air by naked eyes.
The invention realizes aerial imaging through reflection of the optical element, does not need to carry out special processing on the image, and has strict positioning of imaging (the position of the aerial imaging is determined according to the structure of the aerial imaging optical element and the position of the light source).
The invention adopts the optical element with the bottom part being the semi-circular reflecting surface, especially directly adopts the transparent sphere, the manufacture is convenient, and the cost is greatly reduced; the imaging device with any size can be made due to the avoidance of precision setting, the imaging device can be used for large aerial imaging, and the area of a single body for manufacturing can be more than 1 square meter.
The aerial imaging technology of the invention is an epoch-making novel display technology which has never been existed so far. By applying aerial imaging technology, real images can appear in the air without any real objects without any media. The aerial image can be touched by fingers and can be operated, so that a brand-new aerial imaging man-machine interaction system is realized.
Aerial imaging is a novel media, and not only is the development and manufacturing of devices applying novel aerial imaging optical elements applied, but also the development and manufacturing of software, which is the media content of aerial imaging, also have huge market and commercial opportunities. The human-computer interaction effect generated by touching the aerial image provides a new development space for game machine development, manufacturers, movie producers and distributors and the like. With the advent of new imaging optical elements, new technical fields are coming.
Drawings
FIG. 1 is a schematic structural diagram of an aerial imaging optical element of the present invention;
FIG. 2 is a schematic structural view of an aerial imaging member of the present invention;
fig. 3 is a schematic view of the principles of aerial imaging of the present invention.
Fig. 4 is a schematic diagram illustrating the usage principle of a prompter in the prior art.
Fig. 5 is a schematic diagram of the effect of the present invention in a news broadcast;
fig. 6 is a schematic diagram of the operation of the prompter of fig. 5.
FIG. 7 is a schematic illustration of the present invention in use during a lecture;
fig. 8 is a schematic diagram of the prompter of fig. 7.
FIG. 9 is a schematic diagram of the present invention in experiencing an open eye viewing an attic in the air;
FIG. 10 is a schematic view of the present invention in use with a large aerial image display that is wearable;
FIG. 11 is a schematic view of a city wall that can be traversed by the experience of the present invention in a photosite.
Detailed Description
The present invention is described in detail below with reference to specific embodiments.
Example 1
As shown in fig. 1-2, an aerial imaging device is formed by arranging a plurality of transparent spheres 1 coated with reflective films 2 (spherical reflective surfaces) on the bottom in a horizontal plane, wherein the light rays are reflected at least 2 times by the reflective films 2 on the bottom of the transparent spheres 1 to form an aerial real image corresponding to an incident image. The diameter of the transparent sphere 1 (i.e. the spherical reflecting surface 2) is less than 1 mm.
The transparent sphere 1 is fixed on a cloth cover 4 (or other plate-shaped objects which can be pasted) through an adhesive layer 3.
Example 2
An aerial imaging display device comprising the aerial imaging element of embodiment 1, further comprising a projection device for carrying an incident image, wherein light generated from the incident image displayed by the projection device passes through the aerial imaging element to form a real image in the air. The display device comprises a box body for bearing the projection device, a semitransparent mirror is arranged at an opening at the upper end of the box body, and an aerial imaging element (a retro-reflection screen) is arranged on the inner wall of the box body, as shown in fig. 3.
Preferably, the projection device can perform human-computer interaction in a wired or wireless manner.
Example 3
As shown in fig. 5-6, a prompter comprises a host and a display screen, wherein the host is placed under a desk 11 (or a podium 14 shown in fig. 7-8) used by a reporter or inside the desk, the display screen is arranged under a desktop, the host is connected with the display screen, an aerial imaging element is arranged inside the desk, the aerial imaging element 12 (or an aerial imaging element 13 in the podium shown in fig. 8) is arranged above the display screen, light of characters or images displayed by the display screen forms a real image R in the air through the aerial imaging element 12, and the reporter can directly see the real image without lowering the head.
The aerial imaging element comprises 1 or more optical elements 1 which bend light rays of an incident image and form a real image in the air, wherein the optical elements are transparent or semitransparent spheres with reflecting films plated at the bottoms, and the transparent or semitransparent spheres are regularly arranged on a horizontal plane (a small sphere reflecting array). The light of the image in the display screen forms an aerial real image corresponding to the incident image after being reflected for at least 2 times by the reflecting film 2 at the bottom of the transparent sphere 1. The diameter of the transparent sphere 1 (i.e. the spherical reflecting surface 2) is less than 1 mm.
Preferably, the aerial imaging element further comprises a semi-transparent mirror, which reflects part of the light from the display screen onto the optical element (e.g., a bead mirror array). And the angle can be adjusted as required. The distance and angle between the semi-transparent reflector and the small ball reflecting array determine the height of aerial imaging and the front and back positions of imaging.
The optical elements (small ball reflective array) are fixed on the cloth cover 4 through an adhesive layer 3 (glue).
Preferably, the prompter can be used for human-computer interaction in a wired or wireless mode.
Referring to fig. 5 to 8, the present invention provides a real image of a speech that can be seen only by a speaker at a podium lecture, a news broadcast, etc., without affecting the audience on site at the time of shooting.
The invention can image the information of the instrument dial in the air, is convenient to observe, is particularly practical for a car navigation system, and reduces the potential safety hazard that a driver looks down to navigate.
The invention can form real images in the stage of performance, reduce the invariance and the cost of the real scene, and avoid the unreality of the prior screen background.
9-11, the present invention allows space to be eliminated in the air, allowing one to see large aerial images that can be traversed; can be used for digital signage and entertainment places, guide signage and other applications; the method is applied to sightseeing places and can be used for experiencing urban walls which can cross; the device is applied to entertainment places and can be used for observing the attic in the air by naked eyes.
Claims (4)
1. An aerial imaging member, characterized by: the optical element comprises a plurality of optical elements and a reflector, wherein the optical elements are used for bending light rays of an incident image, the reflector is positioned above the optical elements or is semi-transparent on one side of the optical elements, the bottom of the optical elements is a spherical reflecting surface, and the light rays form an aerial real image corresponding to the incident image after being reflected for at least 2 times on the reflecting surface at the bottom of the optical elements; the diameter of the spherical reflecting surface is less than 1 mm; the optical elements are arranged on a horizontal plane in order; the optical element is a transparent ball with a reflecting film plated at the bottom; the refractive index of the transparent spheres is 2.
2. An aerial imaging display device comprising a projection device for carrying an incident image, characterized by: the aerial imaging member of claim 1, wherein light from an incident image displayed by the projection device passes through the aerial imaging member to form a real image in the air.
3. The aerial imaging display device of claim 2, wherein: the projection device performs man-machine interaction in a wired or wireless mode.
4. Use of an aerial imaging display device according to claim 2 or 3 in speech cues, stage performances, traversable scenes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610380381.XA CN106560733B (en) | 2016-06-01 | 2016-06-01 | Aerial imaging element, aerial imaging display device and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610380381.XA CN106560733B (en) | 2016-06-01 | 2016-06-01 | Aerial imaging element, aerial imaging display device and application thereof |
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| Publication Number | Publication Date |
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| CN106560733A CN106560733A (en) | 2017-04-12 |
| CN106560733B true CN106560733B (en) | 2022-05-24 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106560734A (en) | 2016-06-01 | 2017-04-12 | 杭州飞像科技有限公司 | Application of aerial imaging element in prompter, and prompter |
| JP7177475B2 (en) * | 2016-08-31 | 2022-11-24 | 国立大学法人宇都宮大学 | Display device and display method of aerial image |
| CN108267862A (en) * | 2018-01-27 | 2018-07-10 | 像航（上海）科技有限公司 | The real-time touch-control system of air-borne imagery is realized according to laser image technology |
| CN108196681A (en) * | 2018-01-27 | 2018-06-22 | 像航（上海）科技有限公司 | The real-time touch-control system of air-borne imagery is realized according to recognition of face and laser image |
| CN108762660B (en) | 2018-05-29 | 2021-03-23 | 京东方科技集团股份有限公司 | Floating display device and method for indicating touch position of floating display device |
| CN108732747A (en) * | 2018-06-01 | 2018-11-02 | 像航（上海）科技有限公司 | In two generations of one kind, are without Polaroid in the air without media imaging imaging system and method |
| CN109567388A (en) * | 2019-01-22 | 2019-04-05 | 像航（上海）科技有限公司 | Without medium air-borne imagery intelligence table |
| CN110262051B (en) * | 2019-07-26 | 2023-12-29 | 成都工业学院 | Retroreflective stereoscopic display device based on directional light source |
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| US7336422B2 (en) * | 2000-02-22 | 2008-02-26 | 3M Innovative Properties Company | Sheeting with composite image that floats |
| JP4900618B2 (en) * | 2006-03-23 | 2012-03-21 | 独立行政法人情報通信研究機構 | Imaging element, display device |
| BRPI0811820A2 (en) * | 2007-07-11 | 2014-11-04 | 3M Innovative Properties Co | "LAMINATED MATERIAL WITH FLOATING PICTURE IMAGE" |
| CN201465500U (en) * | 2009-04-21 | 2010-05-12 | 上海杰派展示制品有限公司 | Large-scale virtual space stereo imaging equipment |
| JP5862752B2 (en) * | 2014-12-03 | 2016-02-16 | セイコーエプソン株式会社 | prompter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1338058A (en) * | 1999-02-26 | 2002-02-27 | 3M创新有限公司 | Retroreflective articles having polymer multilayer reflective coatings |
| CN1452726A (en) * | 2000-02-22 | 2003-10-29 | 3M创新有限公司 | Sheeting with composite image that floats |
| CN1639625A (en) * | 2002-03-04 | 2005-07-13 | 英属哥伦比亚大学 | Wide viewing angle reflective display |
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| CN106560733A (en) | 2017-04-12 |
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Effective date of registration: 20170605 Address after: Poplar Street 310018 Zhejiang province Hangzhou economic and Technological Development Zone No. 6 Street No. 452 building 3 room 705-706 Applicant after: Hangzhou flying Image Technology Co., Ltd. Address before: 3, No. 452, No. 6, No. 310018, Poplar Street, Hangzhou economic and Technological Development Zone, Zhejiang, 705-705 Applicant before: Zhang Bing |
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Effective date of registration: 20220519 Address after: 310018 705-705, building 3, No. 452, Baiyang street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee after: FEIXIANG TECHNOLOGY Co.,Ltd. Patentee after: Xianghang (Shanghai) Technology Co., Ltd Address before: 310018 room 705-706, building 3, No. 452, Baiyang street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee before: FEIXIANG TECHNOLOGY Co.,Ltd. |
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