CN112987531B - Holographic lens assembly and display system having the same - Google Patents
Holographic lens assembly and display system having the same Download PDFInfo
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- CN112987531B CN112987531B CN201911272030.7A CN201911272030A CN112987531B CN 112987531 B CN112987531 B CN 112987531B CN 201911272030 A CN201911272030 A CN 201911272030A CN 112987531 B CN112987531 B CN 112987531B
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- 239000003054 catalyst Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 6
- 239000011541 reaction mixture Substances 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 description 17
- 238000010586 diagram Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 206010047531 Visual acuity reduced Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/22—Processes or apparatus for obtaining an optical image from holograms
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/0005—Adaptation of holography to specific applications
- G03H2001/0088—Adaptation of holography to specific applications for video-holography, i.e. integrating hologram acquisition, transmission and display
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/02—Details of features involved during the holographic process; Replication of holograms without interference recording
- G03H2001/0208—Individual components other than the hologram
- G03H2001/0216—Optical components
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Holo Graphy (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
Abstract
The invention provides a holographic lens assembly, which comprises a first lens assembly and a second lens assembly, wherein the first lens assembly comprises a first lens which is sequentially linearly arrayed along the transverse direction, the second lens assembly comprises a second lens which is sequentially linearly arrayed along the longitudinal direction, both the first lens and the second lens are plated with a reflecting layer, and the first lens and the second lens are mutually vertical and connected to form a reflecting unit which is arranged in a row and column manner and is in a square grid shape. According to the holographic lens assembly provided by the invention, the first lens and the second lens are arranged in a transverse and longitudinal array mode, the first lens and the second lens are vertical to each other, the first lens and the second lens form a plurality of square grid-shaped reflection units, and the reflection units can reflect and project an image source to a space, so that real holographic projection on the space can be realized. The invention also provides a display system which comprises an image source and the holographic lens component. The display system provided by the invention realizes real holographic projection in space by arranging the holographic lens component.
Description
Technical Field
The invention relates to the technical field of image display, in particular to a holographic lens assembly and a display system with the same.
Background
The rapid development of image display technology enables users to continuously improve the requirements for high-reality images, and people not only require better imaging quality, but also hope to realize naked eye 3D imaging effect. The existing three-dimensional imaging technology generally causes poor vision through a mode that left and right eyes receive polarized light in different directions, so that three-dimensional imaging is realized. However, the imaging mode based on visual difference is still three-dimensional imaging in sense, and is not three-dimensional holographic projection in a true sense.
Disclosure of Invention
Accordingly, there is a need for a holographic lens assembly and a display system having the same, which can spatially form a holographic image and thus a true holographic projection.
The invention provides a holographic lens assembly, which comprises a first lens assembly and a second lens assembly, wherein the first lens assembly comprises a plurality of first lenses in a sequential linear array, the second lens assembly comprises a plurality of second lenses in a sequential linear array, a plurality of reflecting units which are transversely and longitudinally arranged between the first lenses and the second lenses and are arranged in rows and columns are formed between the first lenses and the second lenses, reflecting layers are plated on two side surfaces of the first lenses and the second lenses, and the cross sections of the reflecting units are square.
According to the holographic lens assembly provided by the invention, the first lens and the second lens are arranged in a transverse and longitudinal array mode, and the first lens and the second lens form a plurality of square latticed reflection units, so that the reflection units can reflect and project an image source to a space, further real holographic projection can be realized in the space, and the appearance of a user is improved.
Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.
In one embodiment, the first lens has a first slot along a length direction, the second lens has a second slot along the length direction, and the first lens and the second lens are engaged with each other through the first slot and the second slot.
In one embodiment, the first lens and the second lens have the same width, and the depth value of the first card slot is half of the width value of the first lens or the second lens;
or the depth value of the second clamping groove is one half of the width value of the first lens or the second lens.
In one embodiment, the width of the first card slot ranges from 0.4 mm to 0.7 mm; and/or the presence of a catalyst in the reaction mixture,
the width range of the second clamping groove is 0.4 mm to 0.7 mm.
In one embodiment, the distance between two adjacent first clamping grooves of the first lens ranges from 1.5 mm to 3 mm; and/or the presence of a catalyst in the reaction mixture,
the distance range of two adjacent second clamping grooves of the second lens is 1.5 mm to 3 mm.
In one embodiment, the first lens has a thickness in a range of 0.4 mm to 0.7 mm; and/or the presence of a catalyst in the reaction mixture,
the thickness of the second lens ranges from 0.4 mm to 0.7 mm.
In one embodiment, the first lens is a resin lens or a glass lens.
In one embodiment, the second lens is a resin lens or a glass lens.
In one embodiment, the reflective layer is a tin foil film.
The invention also provides a display system which comprises an image source and the holographic lens assembly, wherein the image source is arranged on one side of the holographic lens assembly, and the holographic lens assembly is the holographic lens assembly.
The display system provided by the invention realizes real holographic projection in space by arranging the holographic lens component, and has wide application prospect.
Drawings
FIG. 1 is a schematic diagram of a holographic lens assembly in one embodiment of the present invention;
FIG. 2 is a schematic diagram of a first lens group of the holographic lens assembly shown in FIG. 1;
FIG. 3 is a schematic diagram of a second lens group of the holographic lens assembly shown in FIG. 1;
FIG. 4 is an enlarged schematic view at A of the holographic lens assembly shown in FIG. 1;
FIG. 5 is a schematic structural diagram of a first lens in the first lens group shown in FIG. 2;
FIG. 6 is a schematic diagram of a second lens in the second lens group shown in FIG. 3;
FIG. 7 is an enlarged schematic view at B of a first card slot in the first lens shown in FIG. 5;
FIG. 8 is an enlarged schematic view at C of a second card slot in the second lens shown in FIG. 6;
FIG. 9 is an imaging schematic of the holographic lens assembly shown in FIG. 1.
Description of reference numerals:
100. a holographic lens assembly; 10. a first lens group; 11. a first lens; 20. a second lens group; 21. a second lens; 30. a reflection unit; 40. a first card slot; 50. a second card slot; 200. an image source.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 9, fig. 1 is a schematic structural diagram of a holographic lens assembly 100 according to an embodiment of the present invention; FIG. 2 is a schematic diagram of the first lens group 10 of the holographic lens assembly 100 shown in FIG. 1; FIG. 3 is a schematic diagram of the second lens group 20 of the holographic lens assembly 100 shown in FIG. 1; FIG. 4 is an enlarged schematic view at A of the holographic lens assembly 100 shown in FIG. 1; fig. 5 is a schematic structural diagram of the first lens 11 in the first lens group 10 shown in fig. 2; FIG. 6 is a schematic structural diagram of the second lens 21 in the second lens group 20 shown in FIG. 3; FIG. 7 is an enlarged schematic view at B of first card slot 40 in first lens 11 shown in FIG. 5; FIG. 8 is an enlarged schematic view at C of the second card slot 50 in the second lens 21 shown in FIG. 6; FIG. 9 is an imaging schematic of the holographic lens assembly 100 shown in FIG. 1.
The holographic lens assembly 100 is used for realizing three-dimensional imaging, and can project an image emitted from an image source 200 positioned on one side of the holographic lens assembly to the other side of the holographic lens assembly, so that the image is displayed in space, and further, non-sensory and real naked-eye three-dimensional (3D) imaging, namely, holographic projection, is realized.
In this embodiment, the holographic lens assembly 100 is applied to naked eye three-dimensional imaging of a home theater, the holographic lens assembly 100 is disposed between a Liquid Crystal Display (LCD) of the home theater and a user, one of the plate surfaces is opposite to the LCD, and the other plate surface is opposite to the user, so that a picture displayed by the LCD is directly transmitted into a three-dimensional space to be viewed by the user with a naked eye 3D effect.
It is understood that the display screen provided when the holographic lens assembly 100 is applied to a home theater is not limited to the liquid crystal display screen, and other types of display screens such as an Organic Light-Emitting Diode (OLED) display screen may be used. The present invention also does not limit the application of the holographic lens assembly 100 to home theater applications, and in other embodiments, the holographic lens assembly 100 may be applied to projectors, movie projectors, game interaction devices, or medical imaging devices, as long as the display system can utilize the holographic lens assembly 100 provided by the present invention.
The holographic lens assembly 100 comprises a first lens assembly 10 and a second lens assembly 20, wherein the first lens assembly 10 comprises a first lens 11 which is sequentially linearly arrayed along a transverse direction, the second lens assembly 20 comprises a second lens 21 which is sequentially linearly arrayed along a longitudinal direction, both the first lens 11 and the second lens 21 are plated with a reflecting layer, the first lens 11 and the second lens 21 are mutually perpendicular and connected, and a reflecting unit 30 which is arranged in a row and column manner and is in a square grid shape is formed.
Since the first lens 11 in the first lens group 10 and the second lens 21 in the second lens group 20 are both coated with a reflective layer, both the first lens 11 and the second lens 21 can reflect light, and further, the light emitted by the image source 200 at one side of the holographic lens assembly 100 can be reflected to the other side of the holographic lens assembly 100 through a part of the first lens 11 and a part of the second lens 21 in the reflection unit 30, and is converged into a corresponding image in the air, thereby realizing holographic projection.
It can be understood that the holographic lens assembly 100 provided by the present invention can be used for imaging with a single image source 200, that is, the image source 200 is arranged on one side of the holographic lens assembly 100, and naked eye imaging is performed on the other side of the holographic lens assembly 100; the imaging with the dual image sources 200 can also be performed, that is, one image source 200 is disposed on each side of the holographic lens assembly 100, and the corresponding imaging with the barrier image source 200 is performed on each side of the holographic lens assembly 100.
In the embodiment, the reflecting layer is a metal reflecting layer, specifically a tin foil film, the extinction coefficient of the tin foil film is larger, so that the light energy entering the tin foil film is less, the reflectivity is higher, and clear holographic projection of the holographic lens assembly is facilitated; it is understood that, in other embodiments, the reflective layer may also be an all dielectric reflective layer or a metal dielectric reflective layer according to different working conditions, and is not particularly limited.
In the present embodiment, the plurality of first lenses 11 in the first lens group 10 are parallel and correspondingly disposed, the plurality of second lenses 21 in the second lens group 20 are parallel and correspondingly disposed, and the first lenses 11 and the second lenses 21 are fixed by clamping, so as to facilitate the detachment of the first lenses 11 and the second lenses 21, and facilitate the replacement of the first lenses 11 or the second lenses 21 when the first lenses 11 or the second lenses 21 are damaged; it is understood that in other embodiments, the first lens 11 and the second lens 21 may be fixed by an adhesive connection.
It should be noted that the above-mentioned "the plurality of first lenses 11 in the first lens group 10 are parallel and disposed correspondingly to each other, and the plurality of second lenses 21 in the second lens group 20 are parallel and disposed correspondingly to each other" means that all the first lenses 11 in the first lens group 10 are aligned and disposed at the same height, and all the second lenses 21 in the second lens group 20 are aligned and disposed at the same height.
It is understood that in other embodiments, the plurality of first lenses 11 in the first lens group 10 may be only parallel to each other, but the plurality of first lenses 11 may be arranged in a staggered manner at different spatial positions, and similarly, the plurality of second lenses 21 in the second lens group 20 may be only parallel to each other, the plurality of second lenses 21 may be arranged in a staggered manner at different spatial positions, and the first lenses 11 and the second lenses 21 are partially connected perpendicularly to each other, so that the reflective units 30 in a square grid shape may be formed in the corresponding regions; when in use, holographic projection can be realized by only using the reflection unit 30 in the corresponding area.
In this embodiment, the first lens 11 has a first locking groove 40 along the length direction, the second lens 21 has a second locking groove 50 along the length direction, when the first lens assembly 10 is connected to the second lens assembly 20, the first locking groove 40 of the first lens 11 is engaged with the second locking groove 50 of the second lens 21, and each first lens 11 of the first lens assembly 10 is engaged with all the second lenses 21 of the second lens assembly 20, so as to vertically connect the first lens 11 and the second lens 21.
It can be understood that, in another embodiment, the first lens 11 has a plurality of card holes along its length direction, the second lens is in a long plate shape, the second lens 21 passes through the card holes and is perpendicular to the first lens 11, and the first lens 11 and the second lens 21 can also form the square grid-shaped reflection unit 30, and thus can also realize holographic projection; or the like, or, alternatively,
in another embodiment, the second lens 21 has a plurality of locking holes along its longitudinal direction, the first lens is in the form of a long plate, and the first lens 11 is inserted through the locking holes and is perpendicular to the second lens 21.
In this embodiment, the width of the first lens 11 is the same as the width of the second lens 21, the depth of the first locking groove 40 is one half of the width of the first lens 11 or the second lens 21, and the depth of the second locking groove 50 is one half of the width of the first lens 11 or the second lens 21, so that when the first lens 11 is locked with the second lens 21, the width profile of the first lens 11 coincides with the width profile of the second lens 21, that is, the surfaces of the first lens 11 and the second lens 21 are all located in the reflection unit 30, thereby facilitating the holographic lens assembly 100 to reflect the image source 200, and further facilitating the holographic lens assembly 100 to form a clear holographic projection.
It can be understood that, in another embodiment, according to different working conditions, the depth of the first card slot 40 in the first lens 11 and the depth of the second card slot 50 in the second lens 21 may also be other values, and when the first lens 11 is engaged with the second lens 21, the first lens 11 portion and the second lens 21 portion in the reflection unit 30 are adjusted by different card slot depths, so as to form the reflection unit 30 with different width ranges, change the reflection times of light, further implement different holographic imaging effects, and meet the corresponding working conditions.
The width h range of the first clamping groove 40 in the first lens 11 and the width h range of the second clamping groove 50 in the second lens 21 are both 0.4 mm to 0.7 mm, and the width h of the clamping groove is set in the range, so that the width range of the reflection unit 30 can be adjusted when the first lens 11 is clamped with the second lens 21, and the reflection unit 30 can meet the imaging requirement under most working conditions.
In the present embodiment, the width h of the first card slot 40 and the second card slot 50 is 0.5 mm, so that the reflection unit 30 can completely reflect the light emitted by the image source 200, thereby preventing image loss and facilitating oblique holographic projection; it is understood that in other embodiments, the width h of the first card slot 40 and the second card slot 50 may have other values, and is not particularly limited to meet the corresponding requirements.
The distance range between two adjacent first clamping grooves 40 of the first lens 11 is 1.5 mm to 3 mm, and the distance range between two adjacent second clamping grooves 50 of the second lens 21 is 1.5 mm to 3 mm. The size of the square grid of the reflection unit 30 can be adjusted by changing the distance between the adjacent clamping grooves, so that the reflection units 30 with different sizes are formed, and the reflection unit is suitable for different working conditions.
The thickness of the first lens 11 ranges from 0.4 mm to 0.7 mm, and the thickness of the second lens 21 ranges from 0.4 mm to 0.7 mm. The first lens 11 and the second lens 21 arranged in the thickness range can be firmly clamped, the first lens 11 or the second lens 21 is prevented from being broken, and meanwhile, normal reflection projection of the reflection unit 30 formed by the first lens 11 and the second lens 21 is guaranteed, and normal holographic projection is guaranteed.
In the present embodiment, the first lens 11 and the second lens 21 are resin lenses, which have the advantages of high quality and being not easy to break, and are suitable for the present invention; it is understood that, in other embodiments, the first lens 11 and the second lens 21 may also be glass lenses, which have the advantage of high temperature resistance, and other lenses may be selected, and are not limited in particular.
It is understood that the first lens 11 and the second lens 21 may also be a combination of resin lens and glass lens to meet the requirement of the corresponding working condition.
The invention further provides a display system, which comprises an image source 200 and a holographic lens assembly, wherein the image source 200 is arranged on one side of the holographic lens assembly, and the holographic lens assembly is the holographic lens assembly 100.
The display system provided by the invention realizes real holographic projection in space by arranging the holographic lens assembly 100, and has wide application prospect.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that suitable changes and modifications of the above embodiments are within the scope of the claimed invention as long as they are within the spirit and scope of the present invention.
Claims (10)
1. A holographic lens assembly (100) comprising a first lens group (10) and a second lens group (20), the first lens group (10) comprises a plurality of first lenses (11) in a sequential linear array, the second lens group (20) comprises a plurality of second lenses (21) in a linear array in sequence, the first lenses (11) and the second lenses (21) are transversely and longitudinally arranged and are mutually vertical and connected, a plurality of reflecting units (30) arranged in rows and columns are formed, two side surfaces of the first lens (11) and the second lens (21) are plated with reflecting layers, the cross section of each reflecting unit (30) is square, so as to pass through part of the first lens (11) and part of the second lens (21) of the reflection unit (30) for reflecting light rays to be condensed into corresponding images.
2. The holographic lens assembly (100) of claim 1, wherein the first lens (11) has a first slot (40) along a length direction, the second lens (21) has a second slot (50) along the length direction, and the first lens (11) and the second lens (21) are engaged with each other through the first slot (40) and the second slot (50).
3. The holographic lens assembly (100) of claim 2, wherein the first lens (11) and the second lens (21) have the same width, and the depth value of the first card slot (40) is one-half of the width value of the first lens (11) or the second lens (21);
or the depth value of the second clamping groove (50) is one half of the width value of the first lens (11) or the second lens (21).
4. The holographic lens assembly (100) of claim 2, in which the width of the first card slot (40) ranges from 0.4 mm to 0.7 mm; and/or the presence of a catalyst in the reaction mixture,
the width range of the second clamping groove (50) is 0.4 mm to 0.7 mm.
5. The holographic lens assembly (100) of claim 2, in which the distance between two adjacent first card slots (40) of the first lens (11) is in a range of 1.5 mm to 3 mm; and/or the presence of a catalyst in the reaction mixture,
the distance range between two adjacent second clamping grooves (50) of the second lens (21) is 1.5 mm to 3 mm.
6. The holographic lens assembly (100) of claim 1, in which the first lens (11) has a thickness in a range of 0.4 mm to 0.7 mm; and/or the presence of a catalyst in the reaction mixture,
the thickness of the second lens (21) ranges from 0.4 mm to 0.7 mm.
7. The holographic lens assembly (100) of claim 1, in which the first lens (11) is a resin lens or a glass lens.
8. The holographic lens assembly (100) of claim 1, in which the second lens (21) is a resin lens or a glass lens.
9. The holographic lens assembly (100) of claim 1, in which the reflective layer is a tin foil film.
10. A display system comprising an image source (200) and a holographic lens assembly, the image source being arranged at one side of the holographic lens assembly, characterized in that the holographic lens assembly is the holographic lens assembly (100) of any of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911272030.7A CN112987531B (en) | 2019-12-12 | 2019-12-12 | Holographic lens assembly and display system having the same |
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| CN201911272030.7A CN112987531B (en) | 2019-12-12 | 2019-12-12 | Holographic lens assembly and display system having the same |
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| CN112987531B true CN112987531B (en) | 2022-08-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPWO2014054446A1 (en) * | 2012-10-05 | 2016-08-25 | 国立大学法人京都工芸繊維大学 | Digital holography device |
| CN106406061A (en) * | 2016-11-16 | 2017-02-15 | 苏州苏大维格光电科技股份有限公司 | Volume holographic element and manufacturing method thereof and manufacturing system thereof |
| CN106960890A (en) * | 2017-05-04 | 2017-07-18 | 苏州高德辰光电科技有限公司 | A kind of reflectance coating and its application |
| CN107807417A (en) * | 2017-12-09 | 2018-03-16 | 安徽省东超科技有限公司 | Single-row multiple rows of equivalent negative refractive index flat plate lens |
| CN109782435A (en) * | 2019-03-26 | 2019-05-21 | 浙江棱镜文化传媒有限公司 | More scene air imagings and interactive system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4450076B2 (en) * | 2008-01-17 | 2010-04-14 | パナソニック株式会社 | 3D image playback device |
| US10609362B2 (en) * | 2014-10-09 | 2020-03-31 | G. B. Kirby Meacham | Projected hogel autostereoscopic display |
| CN110208902B (en) * | 2019-05-21 | 2024-06-18 | 安徽省东超科技有限公司 | Flat lens for imaging |
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2019
- 2019-12-12 CN CN201911272030.7A patent/CN112987531B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPWO2014054446A1 (en) * | 2012-10-05 | 2016-08-25 | 国立大学法人京都工芸繊維大学 | Digital holography device |
| CN106406061A (en) * | 2016-11-16 | 2017-02-15 | 苏州苏大维格光电科技股份有限公司 | Volume holographic element and manufacturing method thereof and manufacturing system thereof |
| CN106960890A (en) * | 2017-05-04 | 2017-07-18 | 苏州高德辰光电科技有限公司 | A kind of reflectance coating and its application |
| CN107807417A (en) * | 2017-12-09 | 2018-03-16 | 安徽省东超科技有限公司 | Single-row multiple rows of equivalent negative refractive index flat plate lens |
| CN109782435A (en) * | 2019-03-26 | 2019-05-21 | 浙江棱镜文化传媒有限公司 | More scene air imagings and interactive system |
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