CN205810293U - Prism grating is in the bore hole 3D display device of LED screen or rear projection screen - Google Patents
Prism grating is in the bore hole 3D display device of LED screen or rear projection screen Download PDFInfo
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- CN205810293U CN205810293U CN201620696091.1U CN201620696091U CN205810293U CN 205810293 U CN205810293 U CN 205810293U CN 201620696091 U CN201620696091 U CN 201620696091U CN 205810293 U CN205810293 U CN 205810293U
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- prism
- screen
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- rear projection
- grating
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- 230000003287 optical effect Effects 0.000 claims abstract description 21
- 238000002834 transmittance Methods 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 7
- 239000004793 Polystyrene Substances 0.000 claims description 5
- 235000012239 silicon dioxide Nutrition 0.000 claims description 5
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims 1
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- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 239000004926 polymethyl methacrylate Substances 0.000 description 3
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 208000003464 asthenopia Diseases 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 241000408521 Lucida Species 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
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- Overhead Projectors And Projection Screens (AREA)
Abstract
Prism grating is in the bore hole 3D display device of LED screen or rear projection screen, it it is the prism grating screen made by optical plastic or optical glass, before being close to be placed on LED screen or rear projection screen, realize bore hole 3D stereoscopic three-dimensional visual effect, the prism grating screen made by optical plastic or optical glass that this utility model is created, light transmittance is 80 94%, and being changed into bore hole 3D shows, reaches stereoscopic three-dimensional visual effect to make the image shown by LED screen or rear projection screen be shown by plane.
Description
Technical field:
This utility model relates to the prism grating bore hole 3D display device at LED screen or rear projection screen, is suitable for various LED
The bore hole 3D Display Technique of screen or rear projection screen, is that a kind of employing prism grating can make shown by LED screen or rear projection screen
Image show that by plane being changed into bore hole 3D shows, reaches the new technique of stereoscopic three-dimensional visual effect.
Background technology:
Along with science and technology is advanced by leaps and bounds and human society sustainable development, LED display curtain has environmental protection, high brightness, height
The characteristic such as definition, high reliability, also has and can arbitrarily extend, and can realize the advantages such as seamless spliced, applies the most widely
In airport, market, the indoor and outdoor advertising of the various public places such as exhibitions and office building, even initially enter common people family.
LED screen development prospect is extremely wide, just develops towards less spacing and the higher uniformity and reliability direction.
Optical glass projection display screen has the characteristics such as environmental protection, power saving, fine definition, high reliability, also has color
Bright-coloured soft, visible angle is wide and the advantage such as 100-140 cun large scale, can apply to airport, market, meeting as new master's product
The house ads publicity of the various public places such as exhibition and office building.Family's Projection Display increased popularity, projection display screen will be with
Private savings movie theatre form is the common people family of upper income level in entering.Projection screen development prospect is the most good, just towards bigger chi
Very little and more high brightness direction is developed.
But bore hole 3D shows short slab and the weakness remaining LED screen and projection screen, the most also not having property
Valency appears on the market than the high and LED screen of bore hole 3D good visual effect and projection screen.
Utility model content:
The short slab existed in bore hole 3D Display Technique for existing LED screen and rear projection screen and weakness, this utility model
There is provided a kind of prism grating in the bore hole 3D display device of LED screen or rear projection screen.
For achieving the above object, technical solutions of the utility model are:
Prism grating is in the bore hole 3D display device of LED screen or rear projection screen, including LED screen or rear projection screen, light
Learn prism grating screen that plastics or optical glass makes, containing projecting apparatus screen control system；Wherein, prism grating screen includes by light
Learning plastics or the prism lenticular lenses of optical glass making or plate, plastics or metal outer frame frame, described prism lenticular lenses or plate are saturating
Light rate is 80-94%, and reflectance is 3-8%, and refractive index is 1.49-1.66.
Further, described prism grating screen includes prism lenticular lenses or the plate being fabricated to by optical plastic or optical glass
Be vertically set on the plastics before prism lenticular lenses or plate or metal outer frame frame, plastics or metal outer frame frame by prism lenticular lenses or
Plate is fastened in LED screen or rear projection screen.Prism lenticular lenses or plate one side are prism vertical bar shapes, and another side is plane；
Prism erects strip-shaped surface i.e. can be towards LED screen or rear projection screen, it is also possible to otherwise outwardly.
Further, described prism lenticular lenses or plate are made by optical plastic or optical glass, and optical plastic includes poly-first
Base acrylic acid methyl ester. (being commonly called as acrylic, PMMA), polystyrene (being commonly called as PS), Merlon (being commonly called as PC) and polrvinyl chloride (custom
Claim PVC) in one, optical glass is silicon dioxide (being commonly called as quartz).
Further, described prism lenticular lenses or plate are used in LED screen, and the specification of prism lenticular lenses or plate is: thickness
0.3-10 millimeter, prism raster density per inch 10-150 line.
Further, described prism lenticular lenses or plate are used on rear projection screen, and the specification of prism lenticular lenses or plate is: thickness
0.3-8 millimeter, prism raster density per inch 15-200 line.
Further, the prism vertical bar shape of described prism lenticular lenses or plate can be different wave according to specific needs
Circular arc or other geometry prism shapes (containing pyramid rectangular pyramid).
Prism grating, in the application of the bore hole 3D Display Technique of LED screen or rear projection screen, is by optical plastic or light
Learn the prism grating screen that glass makes, before being close to be placed on LED screen or rear projection screen, it is achieved bore hole 3D stereoscopic three-dimensional vision is imitated
Really.Prism grating is also referred to as micro-round prismatic surface or other geometry prism shapes are convex or recessed prism grating, refers to by one side the most squeezed
Being pressed into micro-cylindrical shape or other geometry prism shapes (containing the pyramid rectangular pyramid) lines of nicking, another side is complete flat
Face, and micro-cylindrical shape or the equal prism vertical bar shape of other geometry prism shapes (containing pyramid rectangular pyramid) line pitch saturating
The transparent sheet of prism composition or lamella lucida, its raster density is stated with per inch number of lines.The image-forming principle of prism grating is
Micro-cylinder cambered surface or other geometry prism shapes (containing pyramid rectangular pyramid) are convex or recessed refraction by prism image-forming principle, video shadow
Image plane is positioned at micro-cylinder cambered surface or other geometry prism shapes (containing pyramid rectangular pyramid) are convex or the focal plane of recessed prism
On, the visible ray pixel of image is by each vertical bar micro-cylinder cambered surface or other geometry prism shapes (containing pyramid rectangular pyramid)
Convex or recessed prism refraction is divided into different sub-pixels, and the left and right eyes of people can be appreciated that different directions from different angles
Sub-pixel, just feels 3D stereoscopic image.
Prism (mirror) grating technology of many utility model creators and producer's research and development test manufacture is mainly used in bore hole before this
3D LCD Panel, all also exists the moire fringes (being commonly called as water ripples) being difficult to avoid that, causes image distortion to deform variable color, exists
Make us the major defects such as dizzy and visual fatigue, it is impossible to allow consumer satisfaction, therefore, it is difficult to commercialization is promoted.Reason is, liquid
Brilliant screen display technology uses matrix liquid crystal molecule grid arrangement from left to right or from right to left to show, when prism (mirror) grating
Before being placed in LCD screen, the synthesis light amplitude after the constant amplitude sinusoid light superposition that two bar column frequencies are close will be according to
The difference of two frequencies changes, and creates the i.e. moire fringes of water ripples colored and in irregular shape, disturbs and destroys and is shown
The image shown, causes adverse consequencess such as making us dizzy and visual fatigue.Therefore, the prism grating technology that this utility model is created is not
Can apply at LCD screen.Equally, theory and practice proves: either single or multiple lift prism (mirror) grating or helical form
Around grating or there is certain gradient prism (mirror) grating screen, apply and there is when LCD screen the same of bore hole 3D effect
Time moire fringes phenomenon the most inevitably occurs, it is impossible to satisfactory and joyful comfortable.
Numerous video website on the Internet can provide a lot of bore hole 3D film source (non-red blue polarization technologies at present
3D sheet), common 2D film source can also demonstrate certain stereoeffect (custom through the prism grating screen that this utility model is created
Claim 2.5D effect).Compare other 3D technology, and the prism grating screen cost of manufacture that this utility model is created is the highest, sexual valence bit
Good, easy commercialization and penetration and promotion.Particularly carrying out common 2D film source after certain 2D turns 3D software processes, this practicality is new
The bore hole 3D effect of the prism grating screen that type is created is more preferably.
The prism lenticular lenses made by optical plastic or optical glass of the present utility model or plate, light transmittance is 80-94%,
Reflectance is 3-8%, and refractive index is 1.49-1.66, and different materials is slightly different；Thickness 0.3-10 millimeter is (according to grating screen
Size and be actually needed selection thickness, size the biggest suggestion thickness thickens), prism raster density per inch 10-200 line
(sighting distance the biggest line number is the fewest, otherwise line number is the most).For LED screen, prism grating thickness 0.3-10 millimeter, density per inch
10-150 line；For rear projection screen, prism grating thickness 0.3-8 millimeter, density per inch 15-200 line.Described prism light
The prism vertical bar shape of grid or plate can be that the circular arc of different wave or other geometry prism shapes are (containing gold according to specific needs
Word tower rectangular pyramid).Prism grating screen makes the image shown by LED screen or rear projection screen be shown by plane to be changed into bore hole 3D
Display, reaches stereoscopic three-dimensional visual effect.
Accompanying drawing illustrates:
Fig. 1 is this utility model prism grating screen and LED screen assembly decomposition texture schematic diagram；
Fig. 2 is this utility model prism grating screen and rear projection screen assembly decomposition texture schematic diagram；
Fig. 3 is that this utility model prism grating micro-cylinder cambered surface is convex or recessed refraction by prism imaging schematic diagram；
Fig. 4 is the schematic diagram of this utility model prism grating screen.
Detailed description of the invention:
With embodiment, this utility model creation is further illustrated below in conjunction with the accompanying drawings.
As Figure 1-4, for this utility model embodiment.
One, prism grating screen and the detailed description of the invention of LED screen assembly
Prism grating screen as shown in Figure 1 and LED screen assembly, including LED screen 1 and optical plastic or optical glass system
The prism grating screen 2 made；LED screen 1 include any specification and size LED screen 1 assembly (either indoor screen or
Outdoor screen), screen control system 3；The prism grating screen 2 that optical plastic or optical glass make includes by optical plastic or light
Learn prism lenticular lenses or plate 4, plastics or metal outer frame frame 5 that glass makes；The light transmittance of prism lenticular lenses or plate 4 is 80-
94%, reflectance is 3-8%, and refractive index is 1.49-1.66, and different materials is slightly different；Thickness 0.3-10 millimeter is (according to light
Grid screen size and be actually needed selection thickness, size the biggest suggestion thickness thickens), prism raster density per inch 10-150 line
(sighting distance the biggest line number is the fewest, otherwise line number is the most).The prism vertical bar shape of described prism lenticular lenses or plate 4 is according to concrete need
Can be circular arc or other geometry prism shapes (containing pyramid rectangular pyramid) of different wave.
In actual use, prism grating screen 2 include the prism lenticular lenses that is fabricated to by optical plastic or optical glass or
Plate 4 and plastics or metal outer frame frame 5；By plastics or metal outer frame frame 5, prism lenticular lenses or plate 4 are fastened in LED screen
On curtain assembly 1.Prism lenticular lenses or plate 4 one side are prism vertical bar shapes, and another side is plane；Prism erects strip-shaped surface i.e. can court
LED screen, it is also possible to otherwise outwardly.
Described LED screen 1 includes LED screen 1 assembly (either indoor screen or the room of any specification and size
Outer screen), screen control system 3 control.Above-mentioned LED screen 1 and screen control system 3 are to form a complete set of, new with this practicality
The prism grating screen 2 that type is created is without direct correlation, and its embodiment is just not described in detail.
Two, prism grating screen and the detailed description of the invention of rear projection screen assembly
Prism grating screen 2 as shown in Figure 2 and back-projection screen 1 assembly, including back-projection screen 1 and optical plastic
Or the prism grating screen 2 that optical glass makes；Back-projection screen 1 includes the back-projection screen 1 group of any specification and size
Part, by screen control system (containing projector) 3 control；The prism grating screen 2 that optical plastic or optical glass make includes by light
Learn plastics or the prism lenticular lenses of optical glass making or plate 4 and plastics or metal outer frame frame 5；Prism lenticular lenses or the printing opacity of plate
Rate is 80-94%, and reflectance is 3-8%, and refractive index is 1.49-1.66, and different materials is slightly different；Thickness 0.3-8 millimeter
(according to grating screen size and be actually needed selection thickness, size the biggest suggestion thickness thickens), prism raster density per inch 15-
200 lines (sighting distance the biggest line number is the fewest, otherwise line number is the most).The prism vertical bar shape of described prism lenticular lenses or plate 4 according to
Concrete needs can be circular arc or other geometry prism shapes (containing pyramid rectangular pyramid) of different wave.
In actual use, prism grating screen 2 include the prism lenticular lenses that is fabricated to by optical plastic or optical glass or
Plate 4 and plastics or metal outer frame frame 5；By plastics or metal outer frame frame 5, prism lenticular lenses or plate 4 are fastened in back throwing
On shadow screen 1.Prism lenticular lenses or plate 4 one side are prism vertical bar shapes, and another side is plane；Prism-shaped face i.e. can be towards rear projection screen
Curtain, it is also possible to otherwise outwardly.
Described back-projection screen 1 includes back-projection screen 1 assembly of any specification and size, above-mentioned back-projection
Screen 1 assembly, projector and screen control system 3 are to form a complete set of, with this utility model create prism grating screen 2 without directly
Association, its embodiment is just not described in detail.
Prism lenticular lenses or the plate 4 of described prism grating screen are made by optical plastic or optical glass, optical plastic material
Matter includes polymethyl methacrylate (being commonly called as acrylic, PMMA), polystyrene (being commonly called as PS), Merlon (being commonly called as PC) and gathers
One in the materials such as vinyl chloride (being commonly called as PVC), optical glass material mainly uses silicon dioxide (being commonly called as quartz).
The prism grating screen cost of manufacture that this utility model is created is the highest, and cost performance is particularly good, and easy commercialization pushes away with universal
Extensively.
Described above illustrate and describes the preferred embodiment that this utility model is created, as previously mentioned, it should be understood that this reality
It is not limited to form disclosed herein with novel creation, is not to be taken as the eliminating to other embodiments, and can be used for each
Plant other combinations, amendment and environment, and can be in utility model described herein creates contemplated scope, by foregoing description or phase
Technology or the knowledge in field, pass are modified.And the change that those skilled in the art are carried out and change are created without departing from this utility model
The spirit and scope made, the most all should be in this utility model creates the protection domain of claims.
Claims (6)
1. prism grating is in the bore hole 3D display device of LED screen or rear projection screen, it is characterised in that: include LED screen or the back of the body
The prism grating screen (2) that throwing screen (1), optical plastic or optical glass make, the screen control system (3) containing projector；Its
In, prism grating screen (2) includes prism lenticular lenses or the plate (4) made by optical plastic or optical glass, outside plastics or metal
Framework (5), described prism lenticular lenses or plate (4) light transmittance are 80-94%, and reflectance is 3-8%, and refractive index is 1.49-
1.66。
2. prism grating as claimed in claim 1 is in the bore hole 3D display device of LED screen or rear projection screen, and its feature exists
The prism lenticular lenses that is fabricated to by optical plastic or optical glass or plate (4) and vertical is included in: described prism grating screen (2)
It is arranged on prism lenticular lenses or the front plastics of plate (4) or metal outer frame frame (5), plastics or metal outer frame frame (5) by prism grating
Sheet or plate (4) are fastened in LED screen or rear projection screen (1)；Prism lenticular lenses or plate (4) one side are prism vertical bar shapes,
Another side is plane；Prism vertical bar shape faces LED screen or rear projection screen or arranges outwardly.
3. prism grating as claimed in claim 1 or 2 is in the bore hole 3D display device of LED screen or rear projection screen, its feature
It is: described prism lenticular lenses or plate (4) are made by optical plastic or optical glass, and optical plastic material includes poly-methyl-prop
One in e pioic acid methyl ester, polystyrene, Merlon and polrvinyl chloride, optical glass is silicon dioxide.
4. prism grating as claimed in claim 1 or 2 is in the bore hole 3D display device of LED screen or rear projection screen, its feature
Being: described prism lenticular lenses or plate (4) are used in LED screen (1), the specification of prism lenticular lenses or plate (4) is: thickness
0.3-10 millimeter, prism raster density per inch 10-150 line.
5. prism grating as claimed in claim 1 or 2 is in the bore hole 3D display device of LED screen or rear projection screen, its feature
Being: described prism lenticular lenses or plate (4) are used on rear projection screen, the specification of prism lenticular lenses or plate (4) is: thickness 0.3-
8 millimeters, prism raster density per inch 15-200 line.
6. prism grating as claimed in claim 2 is in the bore hole 3D display device of LED screen or rear projection screen, and its feature exists
In: the prism vertical bar of described prism lenticular lenses or plate (4) is shaped as circular arc or other geometry prism shapes of different wave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620696091.1U CN205810293U (en) | 2016-07-04 | 2016-07-04 | Prism grating is in the bore hole 3D display device of LED screen or rear projection screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620696091.1U CN205810293U (en) | 2016-07-04 | 2016-07-04 | Prism grating is in the bore hole 3D display device of LED screen or rear projection screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205810293U true CN205810293U (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620696091.1U Expired - Fee Related CN205810293U (en) | 2016-07-04 | 2016-07-04 | Prism grating is in the bore hole 3D display device of LED screen or rear projection screen |
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| CN (1) | CN205810293U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105913777A (en) * | 2016-07-04 | 2016-08-31 | 陈其炜 | Naked 3D display device with prismatic grating in front of LED screen or rear projection screen |
-
2016
- 2016-07-04 CN CN201620696091.1U patent/CN205810293U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105913777A (en) * | 2016-07-04 | 2016-08-31 | 陈其炜 | Naked 3D display device with prismatic grating in front of LED screen or rear projection screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 |