CN105974504A - Naked eye 3D display device of attractive point grating on LED screen, liquid crystal screen or rear projection screen - Google Patents
Naked eye 3D display device of attractive point grating on LED screen, liquid crystal screen or rear projection screen Download PDFInfo
- Publication number
- CN105974504A CN105974504A CN201610517431.4A CN201610517431A CN105974504A CN 105974504 A CN105974504 A CN 105974504A CN 201610517431 A CN201610517431 A CN 201610517431A CN 105974504 A CN105974504 A CN 105974504A
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
- G02B5/1866—Transmission gratings characterised by their structure, e.g. step profile, contours of substrate or grooves, pitch variations, materials
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B30/00—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images
- G02B30/20—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes
- G02B30/26—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type
- G02B30/27—Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer's left and right eyes of the autostereoscopic type involving lenticular arrays
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133504—Diffusing, scattering, diffracting elements
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
The invention discloses a naked eye 3D display device of an attractive point grating on an LED screen, liquid crystal screen or rear projection screen. An attractive point grating screen made of optical plastic or optical glass is attached to the LED screen, liquid crystal screen or rear projection screen to realize a naked eye 3D visual effect. The transmittance of the attractive point grating screen made of optical plastic or optical glass is 80-94%, so that the image displayed by the LED screen, liquid crystal screen or rear projection screen is converted from plane display to naked eye 3D display, and the 3D visual effect is achieved.
Description
Technical field:
The present invention relates to the beautiful polka-dot raster bore hole at LED screen, LCD screen or rear projection screen
3D display device, is that the beautiful polka-dot raster of a kind of employing can make LED screen, LCD screen or rear-projection
Image shown by screen is shown that by plane being changed into bore hole 3D shows, reaches stereoscopic three-dimensional
The new technique of visual effect.
Background technology:
Along with science and technology is advanced by leaps and bounds and human society sustainable development, LED display curtain has
There are the characteristics such as environmental protection, high brightness, fine definition, high reliability, also have and can arbitrarily extend,
And the advantages such as seamless spliced can be realized, have been widely used for airport, market, exhibitions and write
The indoor and outdoor advertising of the various public places such as word building, even initially enters common people family.
LED screen development prospect is extremely wide, just towards less spacing and the higher uniformity and
Reliability direction is developed.
LCD Panel has had nearly 50 since nineteen sixty-eight RCA Corp. of U.S. research and development release
Year history, has the characteristics such as environmental protection power saving, high brightness, fine definition, high reliability, also has
There is the advantage such as dynamic contrast and natural light regulation technology, and to light and handy ultra-thin super large and intellectuality
Development, has been widely used for the various public affairs such as airport, station, market, bank and office building
The altogether advertising in place, liquid crystal TV set become especially common people masses family indispensable must
Estovers.
Optical glass projection display screen has environmental protection, power saving, fine definition, high reliability etc.
Characteristic, also has that soft, visible angle bright in luster is wide and the advantage such as 100-140 large scale,
Can apply to the various public places such as airport, market, exhibitions and office building as new master's product
House ads publicity.Family's Projection Display increased popularity, projection display screen will be with private savings shadow
Institute's form is the common people family of upper income level in entering.Projection screen development prospect is the most good,
The just direction towards more large scale and more high brightness is developed.
But bore hole 3D shows the short slab remaining LED screen, LCD screen and projection screen
And weakness, also the highest less than cost performance and the LED of bore hole 3D good visual effect
Screen and projection screen appear on the market.
Prism (mirror) grating technology of many creators and producer's research and development test manufacture is main before this
It is applied to bore hole 3D LCD Panel, all there is the moire fringes being difficult to avoid that and (be commonly called as water
Ripple), cause image distortion to deform variable color, exist and make us dizzy serious scarce with visual fatigue etc.
Fall into, it is impossible to allow consumer satisfaction, therefore, it is difficult to commercialization is promoted.Reason is, liquid crystal display
Screen Technology uses matrix liquid crystal molecule grid arrangement from left to right or from right to left to show, works as rib
Before post (mirror) grating is placed in LCD screen, after two screen superpositions, two bar column frequencies are close
Constant amplitude sinusoid light superposition after synthesis light amplitude will according to two frequencies difference occur
Change, creates the i.e. moire fringes of water ripples colored and in irregular shape, disturbs and destroy institute
The image of display, causes adverse consequencess such as making us dizzy and visual fatigue.Therefore, prism grating
Technology can not be applied at LCD screen.Equally, theory and practice proves: either monolayer or
Multilamellar prism (mirror) grating screen or helical form are around grating screen, or have a constant inclination
Gradient prism (mirror) grating screen, applies and has bore hole 3D effect when LCD Panel
Moire fringes phenomenon the most inevitably occurs, it is impossible to satisfactory and joyful comfortable simultaneously.
Innovation and creation content:
For existing LED screen, LCD screen or rear projection screen in bore hole 3D Display Technique
The short slab existed and weakness, the present invention provides a kind of beautiful polka-dot raster at LED screen, liquid crystal display screen
Curtain or the bore hole 3D display device of rear projection screen.
For achieving the above object, the invention technical scheme be:
Beautiful polka-dot raster shows dress in bore hole 3D of LED screen, LCD screen or rear projection screen
Put, it is characterised in that: include the beautiful polka-dot raster screen that screen, optical plastic or optical glass make
And the control system Han projecting apparatus screen；Wherein, beautiful polka-dot raster screen includes by optical plastic or optics
Beautiful polka-dot raster sheet that glass makes or plate and plastics or metal outer frame frame, by optical plastic or optics
Beautiful polka-dot raster sheet or buttress that glass makes are 80-94% according to the light transmittance that unlike material selects,
Reflectance is 3-8%, and refractive index is 1.49-1.66.
Further, described beautiful polka-dot raster screen includes being fabricated to by optical plastic or optical glass
Beautiful polka-dot raster sheet or plate and the plastics before being vertically set on beautiful polka-dot raster sheet or plate or metal outer frame
Frame, is fastened beautiful polka-dot raster sheet or plate on screen by plastics or metal outer frame frame.Beautiful
Polka-dot raster sheet or plate one side are micro-boss or concave lens shape, and another side is plane；Micro-boss or
Concave lens shape face both can be towards LED screen, LCD screen or rear projection screen, it is also possible to anti-
Outwardly.
Further, described beautiful polka-dot raster sheet or plate are by optical plastic or optical glass making
Become, described optical plastic material include polymethyl methacrylate (be commonly called as acrylic,
PMMA), polystyrene (being commonly called as PS), Merlon (being commonly called as PC) and polrvinyl chloride (custom
Claim PVC), optical glass is silicon dioxide (being commonly called as quartz).
Further, described beautiful polka-dot raster sheet or plate are used in LED screen, and specification is: beautiful
Polka-dot raster thickness is 0.3-10 millimeter, and beautiful polka-dot raster density direction of warp and weft is per inch 10
-150 point；
Further, described beautiful polka-dot raster sheet or plate are used on LCD screen, and specification is: beautiful point
Grating thickness is 0.3-6 millimeter, and beautiful polka-dot raster density direction of warp and weft is per inch 15-200
Point.
Further, described beautiful polka-dot raster sheet or plate are used on rear projection screen, and specification is: beautiful point
Grating thickness is 0.3-8 millimeter, and beautiful polka-dot raster density direction of warp and weft is per inch 15-200
Point.
Further, described beautiful polka-dot raster sheet or micro-boss of plate or concave lens shape, according to tool
Body needs can be circular arc or other geometry cone shapes of different wave.
Beautiful polka-dot raster shows skill in bore hole 3D of LED screen, LCD screen or rear projection screen
The application of art, is the beautiful polka-dot raster screen made by optical plastic or optical glass, is close to place
Before LED screen, LCD screen or rear projection screen, it is achieved bore hole 3D stereoscopic three-dimensional vision
Effect.Beautiful polka-dot raster is also referred to as longitude and latitude and arranges micro-boss or concavees lens grating, refers to by one side quilt
It is squeezed into what numerous an equal amount of micro-boss or concavees lens uniformly neat longitude and latitude rearranged
Micro-boss or concavees lens face another side are complete plane, and micro-boss or the equal longitude and latitude of concave mirror spacing
Uniformly micro-boss of proper alignment or the transparent sheet of concavees lens composition or lamella lucida, its grating is close
Spend and state with the single micro-round dot number of per inch length.The image-forming principle of beautiful polka-dot raster be micro-boss or
Concavees lens dioptric imaging principle (refers to accompanying drawing 3), each micro-boss or concave point be exactly one micro-
Convex or the concavees lens of type, video image plane is positioned on the focal plane of micro-boss or concavees lens, shadow
The visible ray pixel of picture is divided into different sub-pictures by the refraction of each micro-boss or concavees lens
Element, the left and right eyes of people can be appreciated that the sub-pixel of different directions from different angles, just feel
3D stereoscopic image.Being different from prism grating, beautiful polka-dot raster is because dividing the most anyhow, permissible
360 degree of comprehensive viewings, do not produce dizzy rotation sense and moire fringes (being commonly called as water ripples) so having
Remarkable advantage.
Numerous video website on the Internet can provide a lot of bore hole 3D film sources at present
(non-red blue polarization technology 3D sheet), can reach order by the beautiful polka-dot raster screen of the invention
The stereoscopic three-dimensional visual effect of people's shock.Even if common 2D film source is by the invention
Beautiful polka-dot raster screen can also demonstrate certain stereoeffect (being commonly called as 2.5D effect).Compare
Relatively other 3D technology, the beautiful polka-dot raster screen cost of manufacture of the invention is the highest, sexual valence bit
Good, easy commercialization and penetration and promotion.Particularly common 2D film source is carried out certain 2D
After turning 3D software processes, the bore hole 3D effect of the beautiful polka-dot raster screen of the invention is more preferably.
The beautiful polka-dot raster sheet made by optical plastic or optical glass of the invention or plate, thoroughly
Light rate is 80-94%, and reflectance is 3-8%, and refractive index is 1.49-1.66, different
Material is slightly different；Thickness is that 0.3-10 millimeter is (according to grating screen size and be actually needed choosing
Selecting thickness, size the biggest suggestion thickness thickens), beautiful polka-dot raster density direction of warp and weft is every English
Very little 10-200 point (sighting distance is counted the most greatly the fewest, otherwise it is the most to count).For LED screen,
Beautiful polka-dot raster thickness is 0.3-10 millimeter, and beautiful polka-dot raster density direction of warp and weft is per inch 10
-150 point；For LCD screen, beautiful polka-dot raster thickness is 0.3-6 millimeter, and beautiful polka-dot raster is close
Degree direction of warp and weft is per inch 15-200 point；For rear projection screen, beautiful polka-dot raster thickness is
0.3-8 millimeter, beautiful polka-dot raster density direction of warp and weft is per inch 15-200 point.
Beautiful polka-dot raster screen make LED screen, LCD screen or the image shown by rear projection screen by
Plane shows that being changed into bore hole 3D shows, reaches stereoscopic three-dimensional visual effect.
Using technique scheme, the invention is to be made by optical plastic or optical glass
Beautiful polka-dot raster screen, before being close to be placed on LED screen, LCD screen or rear projection screen, real
Existing bore hole 3D stereoscopic three-dimensional visual effect.
Accompanying drawing illustrates:
Fig. 1 is the present invention beautiful polka-dot raster screen and LED screen or LCD screen decomposition texture schematic diagram；
Fig. 2 is the present invention beautiful polka-dot raster screen and rear projection screen decomposition texture schematic diagram；
Fig. 3 is that the present invention beautiful polka-dot raster screen longitude and latitude arranges micro-boss and concavees lens dioptric imaging schematic diagram；
Fig. 4 is the present invention beautiful polka-dot raster structural representation.
Detailed description of the invention:
With embodiment, the invention is further illustrated below in conjunction with the accompanying drawings.
One, beautiful polka-dot raster screen and LED screen or the detailed description of the invention of LCD screen assembly
Beautiful polka-dot raster screen as Figure 1-Figure 2 and LED screen or LCD screen assembly, bag
Include LED screen or LCD screen 1 and optical plastic or the beautiful polka-dot raster screen of optical glass making
2；LED screen or LCD screen 1 include any specification and the LED screen of size or liquid crystal display screen
Curtain assembly (either indoor screen or outdoor screen), is controlled by screen control system 3；
The beautiful polka-dot raster screen 2 that optical plastic or optical glass make includes by optical plastic or optics glass
The beautiful polka-dot raster sheet of glass making or plate 4, metal outer frame frame 5；Beautiful polka-dot raster sheet or the printing opacity of plate
Rate is 80-94%, and reflectance is 3-8%, and refractive index is 1.49-1.66, different materials
Matter is slightly different；Thickness is that 0.3-10 millimeter is (according to grating screen size and being actually needed
Selecting thickness, size the biggest suggestion thickness thickens), beautiful polka-dot raster density direction of warp and weft is often
Inch 10-200 point (sighting distance is counted the most greatly the fewest, otherwise it is the most to count).For LED screen
Curtain, beautiful polka-dot raster thickness is 0.3-10 millimeter, and density direction of warp and weft is per inch 10-150
Point；For LCD screen, beautiful polka-dot raster thickness is 0.3-6 millimeter, and density direction of warp and weft is
Per inch 15-200 point.Described beautiful polka-dot raster sheet or micro-boss of plate 4 or concave lens shape
Can be circular arc or other geometry cone shapes of different wave according to specific needs.
In actual use, beautiful polka-dot raster screen 2 includes being fabricated to by optical plastic or optical glass
Beautiful polka-dot raster sheet or plate 4, plastics or metal outer frame frame 5；By plastics or metal outer frame frame
Beautiful polka-dot raster sheet or plate 4 are fastened in LED screen or LCD screen 1 by 5.Beautiful point
Lenticular lenses or plate 4 one side are micro-boss or concave lens shape, and another side is plane；Micro-boss or
Concave lens shape face both can be towards LED screen or LCD screen, it is also possible to otherwise outwardly.
Described LED screen or LCD screen 1 include the LED screen of any specification and size
Or LCD screen 1 assembly (either indoor screen or outdoor screen), by screen control system
System 3 control.Above-mentioned LED screen or LCD screen 1 assembly and screen control system 3 are to join
Set combination, with the beautiful polka-dot raster screen 2 of the invention without direct correlation, its embodiment is the most not
Describe in detail again.
Two, beautiful polka-dot raster screen and the detailed description of the invention of rear projection screen assembly
Beautiful polka-dot raster screen 2 as shown in Figure 2 and Figure 3 and back-projection screen 1 assembly, including
The beautiful polka-dot raster screen 2 that back-projection screen 1 and optical plastic or optical glass make；Back is thrown
Shadow screen 1 includes back-projection screen 1 assembly and the screen control system of any specification and size
System (including projector) 3；The beautiful polka-dot raster screen 2 that optical plastic or optical glass make includes
By optical plastic or the beautiful polka-dot raster sheet of optical glass making or plate 4 and plastics or metal outer frame
Frame 5；The light transmittance of beautiful polka-dot raster sheet or plate is 80-94%, and reflectance is 3-8%, refraction
Rate is 1.49-1.66, and different materials is slightly different；Thickness be 0.3-8 millimeter (according to
Grating screen size and be actually needed selection thickness, size the biggest suggestion thickness thickens), beautiful light
Grid density direction of warp and weft be per inch 15-200 point (sighting distance is counted the most greatly the fewest, on the contrary point
Number is the most).Described beautiful polka-dot raster sheet or micro-boss of plate 4 or concave lens shape are according to concrete
Needs can be circular arc or other geometry cone shapes of different wave.
In actual use, beautiful polka-dot raster screen 2 includes being fabricated to by optical plastic or optical glass
Beautiful polka-dot raster sheet or plate 4 and plastics or metal outer frame frame 5；By plastics or metal outer frame frame
Beautiful polka-dot raster sheet or plate 4 are fastened on back-projection screen assembly 1 by 5.Described is beautiful
Polka-dot raster sheet or micro-boss of plate 4 or concave lens shape can be different ripples according to specific needs
The circular arc of shape or other geometry cone shapes.
Described back-projection screen 1 includes the back-projection screen 1 group of any specification and size
Part, screen control system (containing projector) 3.Above-mentioned back-projection screen 1 assembly, screen
Control system (containing projector) 3 is to form a complete set of, with the beautiful polka-dot raster screen 2 of the invention
Without direct correlation, its embodiment is just not described in detail.
The beautiful polka-dot raster sheet of described beautiful polka-dot raster screen 2 or plate 4 are by optical plastic or optical glass
Make, optical plastic material include polymethyl methacrylate (being commonly called as acrylic, PMMA),
Polystyrene (being commonly called as PS), Merlon (being commonly called as PC) and polrvinyl chloride (being commonly called as PVC)
Etc. material, optical glass material mainly uses silicon dioxide (being commonly called as quartz).
Described above illustrate and describes the preferred embodiment of the invention, as it was previously stated, should
When understanding that the invention is not limited to and form disclosed herein, it is not to be taken as other
The eliminating of embodiment, and can be used for other combinations various, amendment and environment, and can be herein
In described innovation and creation contemplated scope, entered by foregoing description or the technology of association area or knowledge
Row is changed.And the change that those skilled in the art are carried out and change are without departing from the spirit of the invention
And scope, the most all should be in the protection domain of the invention claims.
Claims (7)
- The most beautiful polka-dot raster is in the bore hole 3D display device of LED screen, LCD screen or rear projection screen, it is characterised in that: include screen (1), optical plastic or the beautiful polka-dot raster screen (2) of optical glass making and (3) Han projecting apparatus screen control system；Wherein, beautiful polka-dot raster screen (2) includes by optical plastic or the beautiful polka-dot raster sheet of optical glass making or plate (4) and plastics or metal outer frame frame (5), the beautiful polka-dot raster sheet made by optical plastic or optical glass or plate (4) are 80-94% according to the light transmittance that unlike material selects, reflectance is 3-8%, and refractive index is 1.49-1.66.
- Beautiful polka-dot raster the most as claimed in claim 1 is in the bore hole 3D display device of LED screen, LCD screen or rear projection screen, it is characterized in that: described beautiful polka-dot raster screen (2) includes the beautiful polka-dot raster sheet being fabricated to by optical plastic or optical glass or plate (4) and is vertically set on beautiful polka-dot raster sheet or the front plastics of plate (4) or metal outer frame frame (5), beautiful polka-dot raster sheet or plate (4) is fastened on screen (1) by plastics or metal outer frame frame (5)；Beautiful polka-dot raster sheet or plate (4) one side are micro-boss or concave lens shape, and another side is plane；Micro-boss or concave lens shape face LED screen, LCD screen or rear projection screen (1) or arrange outwardly.
- Beautiful polka-dot raster the most as claimed in claim 1 or 2 is in the bore hole 3D display device of LED screen, LCD screen or rear projection screen, it is characterized in that: described beautiful polka-dot raster sheet or plate (4) are made by optical plastic or optical glass, described optical plastic material includes polymethyl methacrylate, polystyrene, Merlon and polrvinyl chloride, and optical glass is silicon dioxide.
- Beautiful polka-dot raster the most as claimed in claim 1 or 2 is in the bore hole 3D display device of LED screen, LCD screen or rear projection screen, it is characterized in that: described beautiful polka-dot raster sheet or plate (4) are used in LED screen (1), specification is: beautiful polka-dot raster thickness is 0.3-10 millimeter, and beautiful polka-dot raster density direction of warp and weft is per inch 10-150 point.
- Beautiful polka-dot raster the most as claimed in claim 1 or 2 is in the bore hole 3D display device of LED screen, LCD screen or rear projection screen, it is characterized in that: described beautiful polka-dot raster sheet or plate (4) are used on LCD screen (1), specification is: beautiful polka-dot raster thickness is 0.3-6 millimeter, and beautiful polka-dot raster density direction of warp and weft is per inch 15-200 point.
- Beautiful polka-dot raster the most as claimed in claim 1 or 2 is in the bore hole 3D display device of LED screen, LCD screen or rear projection screen, it is characterized in that: described beautiful polka-dot raster sheet or plate (4) are used on rear projection screen (1), specification is: beautiful polka-dot raster thickness is 0.3-8 millimeter, and beautiful polka-dot raster density direction of warp and weft is per inch 15-200 point.
- Beautiful polka-dot raster the most as claimed in claim 2 is in the bore hole 3D display device of LED screen, LCD screen or rear projection screen, it is characterised in that: described beautiful polka-dot raster sheet or micro-boss of plate (4) or concave lens shape are circular arc or other geometry cone shapes of different wave according to specific needs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610517431.4A CN105974504A (en) | 2016-07-04 | 2016-07-04 | Naked eye 3D display device of attractive point grating on LED screen, liquid crystal screen or rear projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610517431.4A CN105974504A (en) | 2016-07-04 | 2016-07-04 | Naked eye 3D display device of attractive point grating on LED screen, liquid crystal screen or rear projection screen |
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| CN105974504A true CN105974504A (en) | 2016-09-28 |
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| CN201610517431.4A Pending CN105974504A (en) | 2016-07-04 | 2016-07-04 | Naked eye 3D display device of attractive point grating on LED screen, liquid crystal screen or rear projection screen |
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| CN106331691A (en) * | 2016-11-16 | 2017-01-11 | 李红深 | Naked-eye three-dimensional LED display screen and three-dimensional imaging playing system |
| CN106707530A (en) * | 2016-12-21 | 2017-05-24 | 南通乐美视觉科技有限公司 | Large-scale 3D (three-dimensional) LED (light emitting diode) display screen |
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| CN106331691A (en) * | 2016-11-16 | 2017-01-11 | 李红深 | Naked-eye three-dimensional LED display screen and three-dimensional imaging playing system |
| CN106707530A (en) * | 2016-12-21 | 2017-05-24 | 南通乐美视觉科技有限公司 | Large-scale 3D (three-dimensional) LED (light emitting diode) display screen |
| CN106990629A (en) * | 2017-05-27 | 2017-07-28 | 北京小米移动软件有限公司 | liquid crystal grating, display device and control method |
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