CN102466884A - Micro-optical-structure-based dynamic display technology - Google Patents
Micro-optical-structure-based dynamic display technology Download PDFInfo
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- CN102466884A CN102466884A CN2010105345433A CN201010534543A CN102466884A CN 102466884 A CN102466884 A CN 102466884A CN 2010105345433 A CN2010105345433 A CN 2010105345433A CN 201010534543 A CN201010534543 A CN 201010534543A CN 102466884 A CN102466884 A CN 102466884A
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Abstract
The invention discloses a micro-optical-structure-based dynamic display technology. The micro-optical-structure-based dynamic display technology is characterized in that: a display micro-component with a periodic structure is used together with a displayed image with a periodic structure to realize the high-ratio magnification of the displayed image; and simultaneously, the micro-component reads information from areas with different patterns at different viewing angles, and when the viewing angle is changed, the optical effect of dynamic display can be achieved. The technology can be widely applied to the aspects of trademarks, display, anti-counterfeiting and the like, and has the advantages of low cost, attractive appearance and portability.
Description
Affiliated technical field
The present invention relates to dynamic display technology, adopt micro optical structure to realize amplification, the demonstration of micro figure based on micro optical structure.
Background technology
In recent years, the development of false proof, display technique mainly be to be main with laser hologram, but this technology is semi-over rapidly, and antiforge function is challenged.Also have in addition such as technology such as watermark are false proof and also developed for a long time, ultimate principle and implementation method are also understood by masses basically.Press for the new anti-counterfeiting technology of development.
People have proposed the enlarged and displayed method for anti-counterfeit based on optical principle for this reason, and the principle of this method is: under the normal illumination condition, the ultimate resolution of human eye is 1 minute, and under distance of distinct vision 250mm condition, the ultimate resolution of human eye is 0.072mm.In general for making eyes not tired, the visual angle of human eye can resolution distance be two points about 0.3mm promptly about 4 minutes.In the ordinary course of things, 10 * 10 points are carved and are formed simple pattern, and its size is about about 4mm * 4mm, and other tiny object must adopt magnifier or microscope to amplify just can see its fine structure clearly.Pattern for less than this yardstick must adopt aids such as microscope, and this observation brings very big inconvenience.
In application number was 03123580.8 patent, the inventor had proposed to utilize lenticule that thumbnail image is carried out the demonstration method for anti-counterfeit of amplification imaging, has avoided the problems referred to above effectively; Yet the unit that above-mentioned patent requirement is shown figure is consistent with lenticule unit bore, to reach the purpose of utilizing lenticule that micrographics is amplified;
The present invention proposes in addition a kind of micrographics enlarged and displayed technology of the brand-new principle based on Moire fringe; Not only overcome the problem in the above-mentioned patent, be shown figure through adjustment simultaneously and can also realize regulation and control enlargement ratio with the parameter and the relative position that show microcomponent.The present invention can obtain the display effect of various colours through the color that shows the microcomponent type, is shown figure being selected and being modulated.
Technical solution of the present invention is accomplished through following steps: a kind of dynamic display technology based on micro optical structure is characterized in that may further comprise the steps:
1, it is mainly by being shown image and showing that microcomponent two parts form; Show that microcomponent is placed in parallel in being shown the image top, realizes being shown the demonstration of image.
2, show that microcomponent can be continuous surface-shaped microlens array, many ledge structures diffraction type microlens array, continuous-surface shape microtrabeculae lens arra, many ledge structures diffraction type microtrabeculae lens arra.
3, form the lenticule or the microtrabeculae mirror that show microcomponent and can have identical focal length, also can have different focal length.
4, being shown image is periodic structure, and is made up of micro pattern cell array; Be shown the elementary area structural parameters, show microcomponent cellular construction parameter and show the following relation of existence between the enlargement ratio:
A is for showing the microcomponent cycle, and b is for being shown cycle of images, and θ is shown image and shows the angle between the microcomponent, and L is for showing enlargement ratio;
5, being shown the subelement of image can be on same plane, forms the plane and is shown image; Also can no longer same plane, form solid and be shown image.Be shown image can be transparent also can be opaque.
6, the spacing h that is shown between little image and the demonstration microcomponent concerns as follows with showing microcomponent focal length F:
F/2≤h≤2F
7, be shown the sub-aperture of elementary area and show that the sub-aperture, unit of microcomponent can be various patterns such as triangle, quadrilateral, hexagon and circle.
8, the pattern that is shown in the elementary area can adopt the mode of printing and printing to accomplish, and also can adopt the pattern that photonic crystal or diffraction micro-nano structure form to be needed.
Principle of the present invention is: utilize the demonstration microcomponent to sample to being shown figure; When the human eye visual angle changes; Show that microcomponent is shown " extraction " colouring information of figure zones of different; Other regional information is " filtered " thereupon, be extracted the information via human eye after, be carried out to picture at retina.Simultaneously, adopt the microcomponent unit of different focal and nonplanar graphic element that is shown to form three-dimensional image.
The present invention compared with prior art has the following advantages:
1, shows that microcomponent is various with the array mode that is shown pattern matrix, can produce diversified display effect;
2, show microcomponent through regulation and control and be shown the structural parameters and the array mode of image, the display effect of the different enlargement ratios that can obtain to expect;
3, do not require show the microcomponent unit be shown the sub-aperture of elementary area and spacing in full accord, unmatchful alignment request; Therefore, realize being very easy to, cost is low, is easy to industrialization.
4, through to showing the microcomponent focal length, being shown picture altitude and modulating and to obtain the stereo display effect.
5, attractive in appearance, practical, easy to carry, can be made into the sheet type structure, have bright market prospects.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 be the embodiment of the invention 1 make be shown the image synoptic diagram;
Fig. 3 is the demonstration microcomponent synoptic diagram that the embodiment of the invention 1 is made;
Fig. 4 is an enlarged and displayed schematic diagram of the present invention; H is shown image and shows the spacing between the microcomponent, and a is for showing the microcomponent cycle, and b is for being shown cycle of images;
Fig. 5 is the embodiment of the invention 1 a display result synoptic diagram;
Fig. 6 be the embodiment of the invention 2 make be shown the image synoptic diagram;
Fig. 7 is the demonstration microcomponent synoptic diagram that the embodiment of the invention 2 is made;
Fig. 8 is the embodiment of the invention 2 display result synoptic diagram;
Fig. 9 realizes three-dimensional imaging for adopting not parfocal microcomponent and not equal altitude periodogram picture,
Sequence number implication among the figure: 1 for showing microcomponent; 2 for being shown image; 3 is that 5 ° of visual angles show that light moves towards hint effect (seeing dotted line among Fig. 4); 4 is that 10 ° of visual angles show that light move towards hint effect (seeing solid line among Fig. 4), and 5 are parfocal microlens array not, and 6 have the image that is shown of differing heights for subelement.What P1, P2 were respectively differing heights is shown the image subelement, P3, and P4 is respectively P1, the picture point that the P2 point becomes through lenticule.
Embodiment
Embodiment 1; The figure that is shown with to cycle b=200 μ m amplifies 2 times; Be shown image and show that angle theta=0 between the microcomponent ° is example; At first; Choose microlens array as the demonstration microcomponent, and can know that by formula
calculating microlens array cycle a should be 400 μ m.Secondly, the image that is shown that completes being positioned over the demonstration microcomponent---the focal plane place of microlens array can obtain to amplify 2 times dynamic display effect.Fig. 1 is a structural representation of the present invention; Fig. 2 is shown the image synoptic diagram for what make; The demonstration microcomponent synoptic diagram of Fig. 3 for making; Enlarged and displayed principle of the present invention is as shown in Figure 4: when the visual angle is 5 °; The Q2, Q4, the Q6 dot information that are shown image 2 as 1 pair of the lenticule that shows microcomponent extract; Optical information after the extraction is as indicated with a dotted line in Fig. 4; Because Q2, Q4, Q6 point are dim spot, thus this information with 5 ° of visual angles entering human eyes after, human eye should the zone be dark effect with perception; When the visual angle is 10 °; Being shown the information that Q1, Q3, the Q5 of image 2 order as 1 pair of the lenticule that shows microcomponent extracts; Optical information after the extraction is shown in solid line among Fig. 4; Because Q1, Q3, Q5 point are bright spot, thus this information with 10 ° of visual angles entering human eyes after, human eye should the zone be bright effect with perception; When visual angle change, dynamic change promptly takes place in this area image.Be shown image and showing that lenticule is cycle graph; Under the situation of the hundreds and thousands of and unchanged view angle of element number; Each lenticule is made up being shown bright, the dark pattern that obtains behind the image sampling successively,, see Fig. 5 forming the display effect of amplifying;
At first; Choose the binary microlens array as showing microcomponent; And calculate by formula
and can know that binary microlens array cycle a should be 1000/9 μ m.Secondly, design can form the photon crystal structure of " K " word figure, and it is completed, and forms to be shown image; The image that is shown of photonic crystal type is positioned over the demonstration microcomponent---the focal plane place of binary microlens array can obtain to amplify 10 times dynamic display effect.Fig. 6 be the embodiment of the invention 2 make be shown the image synoptic diagram; Fig. 7 is the demonstration microcomponent synoptic diagram that the embodiment of the invention 2 is made; Fig. 8 is the embodiment of the invention 2 display result synoptic diagram;
Embodiment 3, and the realization yardstick is that solid, the amplification 100 of 100um * 100um pattern shows and show;
The pattern that at first will show carries out the bidimensional periodic arrangement in a plane, form to be shown image; Secondly; Under the situation of θ=0, calculate the lenticular cycle and bore is 10000/99um according to formula
; The 3rd, confirm the focal length of this lenticule unit, place and the height that adjustment is shown the image corresponding units according to the requirement of geometric optical imaging principle and each unit stereo display; For example, realize that " jumping out " goes out the effect of paper 1cm, can make this locate lenticular focal length less than lenticule and be shown the focal length between the elementary area; Realize the effect of " jumping into " paper 1cm, can make this locate lenticular focal length greater than lenticule and be shown the focal length between the elementary area; Concrete numerical value can adopt the optical lens imaging formula to calculate; Synoptic diagram is seen Fig. 9, and what P1, P2 were respectively differing heights is shown the image subelement, P3, and P4 is respectively P1, the picture point that the P2 point becomes.The image that is shown that design is accomplished is positioned over corresponding position, demonstration microcomponent below; Because it is different with the focal length of corresponding lenticule unit to be shown the height of image different sub unit; Therefore imaging point also will be in same plane; The effect of comprehensive all unit will form three-dimensional image, and this stereo-picture also will be along with the observation visual angle dynamic change.
Claims (8)
1. it is mainly formed with demonstration microcomponent two parts by being shown image; Show that microcomponent is placed in parallel in being shown the image top, realizes being shown the demonstration of image.
2. show that microcomponent can be continuous surface-shaped microlens array, many ledge structures diffraction type microlens array, continuous-surface shape microtrabeculae lens arra, many ledge structures diffraction type microtrabeculae lens arra.
3. form the lenticule unit or the microtrabeculae mirror unit that show microcomponent and can have identical focal length, also can have different focal length.
4. being shown image is periodic structure, and is made up of micro pattern cell array; Be shown image and show microcomponent cellular construction parameter and show between enlargement ratio and satisfy:
A is for showing the microcomponent cycle, and b is for being shown cycle of images, and θ is shown image and shows the angle between the microcomponent, and L is for showing enlargement ratio.
5. the subelement that is shown image can form the plane and be shown image on same plane; Also can no longer same plane, form solid and be shown image.Be shown image can be transparent also can be opaque.
6. be shown little image and show that the spacing H between the microcomponent concerns as follows with showing microcomponent focal length F:
F/2≤H≤2F。
7. be shown the sub-aperture of elementary area and show that the sub-aperture, unit of microcomponent can be various patterns such as triangle, quadrilateral, hexagon and circle.
8. the pattern that is shown in the elementary area can adopt the mode of printing and printing to accomplish; Also can adopt the pattern that photonic crystal or diffraction micro-nano structure form to be needed, show that the microcomponent manufacture craft comprises the microcomponent that little air brushing, minute-pressure seal, micro-lithography and other form form.
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| CN2010105345433A CN102466884A (en) | 2010-11-08 | 2010-11-08 | Micro-optical-structure-based dynamic display technology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845023A (en) * | 2016-05-04 | 2016-08-10 | 何炎权 | Anti-counterfeiting mark encryption method, anti-counterfeiting mark encryption device and manufacturing method of anti-counterfeiting mark encryption device |
| CN106501952A (en) * | 2016-11-25 | 2017-03-15 | 北京理工大学 | The bionical hologram three-dimensional dynamic display method of big visual field large scale |
| CN110133847A (en) * | 2019-04-29 | 2019-08-16 | 中国科学院光电技术研究所 | A kind of design method of the anti-fake figure of non-array Dynamically Announce based on micro-structure |
| CN110415602A (en) * | 2019-06-13 | 2019-11-05 | 武汉华工图像技术开发有限公司 | A kind of double-colored dynamic anti-fake film and preparation method thereof |
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| CN101346244A (en) * | 2005-12-23 | 2009-01-14 | 德国捷德有限公司 | Security element |
| US20090034082A1 (en) * | 2004-04-30 | 2009-02-05 | De La Rue International, Ltd. | Optically Variable Devices |
| CN101434176A (en) * | 2008-12-25 | 2009-05-20 | 中国印钞造币总公司 | Optical anti-counterfeiting element and product with the same |
| CN101850680A (en) * | 2010-05-24 | 2010-10-06 | 苏州苏大维格光电科技股份有限公司 | Safety film with dynamic three-dimensional effect |
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2010
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| US5712731A (en) * | 1993-05-11 | 1998-01-27 | Thomas De La Rue Limited | Security device for security documents such as bank notes and credit cards |
| CN1552589A (en) * | 2003-05-29 | 2004-12-08 | 中国科学院光电技术研究所 | Continuous microlens array amplifying displaying antifogery method |
| US20090034082A1 (en) * | 2004-04-30 | 2009-02-05 | De La Rue International, Ltd. | Optically Variable Devices |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845023A (en) * | 2016-05-04 | 2016-08-10 | 何炎权 | Anti-counterfeiting mark encryption method, anti-counterfeiting mark encryption device and manufacturing method of anti-counterfeiting mark encryption device |
| CN106501952A (en) * | 2016-11-25 | 2017-03-15 | 北京理工大学 | The bionical hologram three-dimensional dynamic display method of big visual field large scale |
| CN110133847A (en) * | 2019-04-29 | 2019-08-16 | 中国科学院光电技术研究所 | A kind of design method of the anti-fake figure of non-array Dynamically Announce based on micro-structure |
| CN110133847B (en) * | 2019-04-29 | 2020-10-16 | 中国科学院光电技术研究所 | Design method for non-array dynamic display anti-counterfeiting pattern based on microstructure |
| CN110415602A (en) * | 2019-06-13 | 2019-11-05 | 武汉华工图像技术开发有限公司 | A kind of double-colored dynamic anti-fake film and preparation method thereof |
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Application publication date: 20120523 |