CN109254489A - Projection screen and optical projection system - Google Patents
Projection screen and optical projection system Download PDFInfo
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- CN109254489A CN109254489A CN201811307877.XA CN201811307877A CN109254489A CN 109254489 A CN109254489 A CN 109254489A CN 201811307877 A CN201811307877 A CN 201811307877A CN 109254489 A CN109254489 A CN 109254489A
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- light
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- filter membranous
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- 238000003384 imaging method Methods 0.000 claims abstract description 39
- 239000003086 colorant Substances 0.000 claims abstract description 11
- 239000000975 dye Substances 0.000 claims description 33
- 239000000463 material Substances 0.000 claims description 27
- 230000003064 anti-oxidating effect Effects 0.000 claims description 7
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 claims description 6
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 claims description 6
- 239000000987 azo dye Substances 0.000 claims description 3
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 claims description 3
- 239000012965 benzophenone Substances 0.000 claims description 3
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 claims description 3
- 239000012964 benzotriazole Substances 0.000 claims description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 3
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 claims description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 3
- 229960004889 salicylic acid Drugs 0.000 claims description 3
- ANRHNWWPFJCPAZ-UHFFFAOYSA-M thionine Chemical compound [Cl-].C1=CC(N)=CC2=[S+]C3=CC(N)=CC=C3N=C21 ANRHNWWPFJCPAZ-UHFFFAOYSA-M 0.000 claims description 3
- 239000001000 anthraquinone dye Substances 0.000 claims description 2
- FTWUXYZHDFCGSV-UHFFFAOYSA-N n,n'-diphenyloxamide Chemical compound C=1C=CC=CC=1NC(=O)C(=O)NC1=CC=CC=C1 FTWUXYZHDFCGSV-UHFFFAOYSA-N 0.000 claims description 2
- JEXVQSWXXUJEMA-UHFFFAOYSA-N pyrazol-3-one Chemical compound O=C1C=CN=N1 JEXVQSWXXUJEMA-UHFFFAOYSA-N 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims 2
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- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Chemical compound O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
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- 229910001845 yogo sapphire Inorganic materials 0.000 description 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 2
- 239000001007 phthalocyanine dye Substances 0.000 description 2
- -1 quinoline ketone Chemical class 0.000 description 2
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
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- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- SMWDFEZZVXVKRB-UHFFFAOYSA-N anhydrous quinoline Natural products N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
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- 230000008859 change Effects 0.000 description 1
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- 229910052804 chromium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011222 crystalline ceramic Substances 0.000 description 1
- 229910002106 crystalline ceramic Inorganic materials 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 125000003431 oxalo group Chemical group 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 150000003217 pyrazoles Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
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Classifications
-
- 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
- G03B21/60—Projection screens characterised by the nature of the surface
-
- 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
- G03B21/60—Projection screens characterised by the nature of the surface
- G03B21/62—Translucent screens
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Overhead Projectors And Projection Screens (AREA)
Abstract
Projection screen provided by the invention and optical projection system, are related to projection art.Wherein, the projection screen includes: substrate layer；It is made in the laminated filter membranous layer of the substrate；It is made in imaging layer of the substrate layer far from the filter membranous layer one side；And it is made in the imaging layer reflecting layer laminated far from the substrate.Wherein, the filter membranous layer is made of light absorbent, so that the filter membranous layer can penetrate the light of redgreenblue, and absorbs the light of other colors other than redgreenblue.By above-mentioned setting, the poor problem of imaging effect existing for existing projection screen can be improved.
Description
Technical field
The present invention relates to projection arts, in particular to a kind of projection screen and optical projection system.
Background technique
With the continuous development of screen display technology, projection obtains extensive as a kind of simple, convenient and fast display mode
Application, for example, the entertainment of family or office demand.Wherein, when being shown by projection, indispensable one
Equipment is exactly projection screen.Also, imaging layer plays important as a key structure of imaging display in projection screen
Effect.
Through inventor the study found that in existing projection screen, it is incident in the light beam of imaging layer in addition to projector is defeated
Light beam out further includes the light beam issued in the environment where projection screen there are other light sources or natural light.Wherein, the light beam
Or natural light mixed with the light beam that projector exports after will lead to the poor problem of imaging effect.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of projection screen and optical projection system, to improve existing projection
The poor problem of imaging effect existing for screen.
To achieve the above object, the embodiment of the present invention adopts the following technical scheme that
A kind of projection screen, comprising:
Substrate layer；
It is made in the laminated filter membranous layer of the substrate；
It is made in imaging layer of the substrate layer far from the filter membranous layer one side；And
It is made in the imaging layer reflecting layer laminated far from the substrate；
Wherein, the filter membranous layer is made of light absorbent, so that the filter membranous layer can penetrate the light of redgreenblue,
And absorb the light of other colors other than redgreenblue.
In the embodiment of the present invention preferably selects, in above-mentioned projection screen, the filter membranous layer includes:
First light absorbent, first light absorbent absorb the visible light for being less than first wave length and through greater than the first waves
Long visible light, wherein the first wave length is the minimum wavelength of blue light；
Second light absorbent, second light absorbent penetrate the visible light less than second wave length, absorb greater than second wave length
And it is less than the visible light of third wavelength, through the visible light for being greater than third wavelength, wherein the second wave length is the maximum of blue light
Wavelength, the third wavelength are the minimum wavelength of green light；
Third light absorbent, the third light absorbent penetrate the visible light less than the 4th wavelength, absorb greater than the 4th wavelength
And less than the visible light of the 5th wavelength, through be greater than the 5th wavelength visible light, wherein the 4th wavelength be green light maximum
Wavelength, the 5th wavelength are the minimum wavelength of red light；And
4th light absorbent, the 4th light absorbent, which penetrates the visible light less than the 6th wavelength and absorbs, is greater than the 6th wave
Long visible light, wherein the 6th wavelength is the maximum wavelength of red light.
In the embodiment of the present invention preferably selects, in above-mentioned projection screen, first light absorbent includes pyrazoles
In quinoline ketone dyes, benzophenone dyestuff, phenyl triasine dyes, benzotriazole dyestuff, oxanilide dyestuff and salicylic acid rouge dyestuff
At least one.
In the embodiment of the present invention preferably selects, in above-mentioned projection screen, second light absorbent includes methyl
At least one of dyestuff and azo metal dye.
In the embodiment of the present invention preferably selects, in above-mentioned projection screen, the third light absorbent includes anthraquinone
At least one of dyestuff and Lay quinone dyestuff.
In the embodiment of the present invention preferably selects, in above-mentioned projection screen, the 4th light absorbent includes flower cyanines
At least one of dyestuff, phthalocyanine dye and azo dyes.
In the embodiment of the present invention preferably selects, in above-mentioned projection screen, the filter membranous layer is far from the substrate
The one side of layer is rough surface, to reduce the reflection to incident beam.
In the embodiment of the present invention preferably selects, in above-mentioned projection screen, further includes:
Anti-scratch layer, the anti-scratch layer are made in one side of the filter membranous layer far from the substrate layer.
In the embodiment of the present invention preferably selects, in above-mentioned projection screen, further includes:
Anti oxidation layer, the anti oxidation layer are made in one side of the reflecting layer far from the imaging layer.
The embodiment of the invention also provides a kind of optical projection system, including laser projection and defeated based on the laser projection
Light beam out carries out the projection screen of imaging display, which includes:
Substrate layer；
It is made in the laminated filter membranous layer of the substrate；
It is made in imaging layer of the substrate layer far from the filter membranous layer one side；And
It is made in the imaging layer reflecting layer laminated far from the substrate；
Wherein, the filter membranous layer is made of light absorbent, so that the filter membranous layer can penetrate the light of redgreenblue,
And absorb the light of other colors other than redgreenblue.
Projection screen provided by the invention and optical projection system, by the way that the filter membranous layer being made of light absorbent is arranged, to inhale
The light of other colors other than redgreenblue is received, it is possible to prevente effectively from other colors in environment light other than redgreenblue
Light beam enters imaging layer, and after mixing with the light beam of projector output, impacts to the imaging effect of imaging layer, and then cause
The poor problem of imaging effect greatly improves contrast, color rendition, luminance gain and color when projection screen imaging
It is quasi-.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of optical projection system provided in an embodiment of the present invention.
Fig. 2 is the structural schematic diagram of projection screen provided in an embodiment of the present invention.
Fig. 3 is light transmission/extinction Wavelength distribution schematic diagram of filter membranous layer provided in an embodiment of the present invention.
Fig. 4 is another structural schematic diagram of projection screen provided in an embodiment of the present invention.
Icon: 10- optical projection system；100- projection screen；110- filter membranous layer；A- first wave length；B- second wave length；c-
Third wavelength；The 4th wavelength of d-；The 5th wavelength of e-；The 6th wavelength of f-；120- substrate layer；130- imaging layer；The reflecting layer 140-；
150- anti-scratch layer；160- anti oxidation layer；200- laser projection.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment only
It is a part of the embodiments of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings
The component of embodiment can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.In description of the invention
In, term " first ", " second ", " third ", " the 4th " etc. are only used for distinguishing description, and should not be understood as only or imply opposite
Importance.
In the description of the present invention unless specifically defined or limited otherwise, term " setting ", " connected ", " connection " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The connection in portion.For the ordinary skill in the art, the tool of above-mentioned term in the present invention can be understood with concrete condition
Body meaning.
As shown in Figure 1, may include projection screen 100 and laser the embodiment of the invention provides a kind of optical projection system 10
Projector 200.Wherein, the laser projection 200 can be with output beam to the projection screen 100, the projection screen 100
The light beam that can be exported based on the laser projection 200 is carried out imaging and shown.
Optionally, the optical device that the laser projection 200 includes is unrestricted, can according to practical application request into
Row setting for example, may include, but is not limited to red, green and blue three coloured light valves, close beam X prism, projection lens and
Drive the optical devices such as light valve, if can effectively output red, green and blue laser beam.
In conjunction with Fig. 2, the embodiment of the present invention also provides a kind of projection screen 100 that can be applied to above-mentioned optical projection system 10.Its
In, the projection screen 100 may include filter membranous layer 110, substrate layer 120, imaging layer 130 and reflecting layer 140, to be formed
A kind of front projection screen.
In detail, the front projection screen refers to, laser projection 200 and viewer are located at projection screen in the application
100 the same side.Also, the filter membranous layer 110 can be made in the one side of the substrate layer 120, and the imaging layer 130 can
To be made in the one side of the substrate layer 120 far from the filter coating, the reflecting layer 140 can be made in the imaging layer
130 one sides far from the substrate layer 120.
Wherein, the filter membranous layer 110 is made of light absorbent, so that the filter membranous layer 110 can penetrate RGB three
The light of color, and absorb the light of other colors other than redgreenblue.That is, the filter membranous layer 110 can will be incident
Light beam in the light of other colors other than redgreenblue absorbed so that passing through the substrate layer 120 reaches imaging layer
There was only the light of redgreenblue in 130 light beam.
Optionally, the type for the light absorbent that the filter membranous layer 110 includes is unrestricted, can be according to practical application need
It asks and is configured, for example, being also possible to be made of two kinds, three kinds or four kinds materials either be made of a kind of light absorbent.
In a kind of example, the filter membranous layer 110 can be made of three kinds of materials.Wherein, the first material can be inhaled
Zoom in the visible light in first wave length a and through the visible light for being greater than first wave length a.Second of material can penetrate and be less than
The visible light of second wave length b absorbs the visible light for being greater than second wave length b and being less than third wavelength c, through greater than third wavelength c
And it visible light less than the 4th wavelength d, absorbs and is greater than the 4th wavelength d and visible light less than the 5th wavelength e, through being greater than the 5th
The visible light of wavelength e.The third material through the visible light less than the 6th wavelength f and can be absorbed greater than the 6th wavelength f
Visible light.
In another example, in conjunction with Fig. 3, the filter membranous layer 110 may include the first light absorbent, the second extinction material
Material, third light absorbent and the 4th light absorbent.Wherein, first light absorbent absorbs visible less than first wave length a
Light and transmission are greater than the visible light of first wave length a.Second light absorbent, which penetrates, to be less than the visible light of second wave length b, inhales
Receive the visible light for being greater than second wave length b and being less than third wavelength c, through the visible light for being greater than third wavelength c.The third extinction
Material through less than the 4th wavelength d visible light, absorb and be greater than the 4th wavelength d and visible light less than the 5th wavelength e, through big
In the visible light of the 5th wavelength e.4th light absorbent through the visible light less than the 6th wavelength f and absorbing be greater than this
The visible light of six wavelength f.
It is understood that in above two example, the first wave length a, second wave length b, third wavelength c, the 4th wave
The specific value of long d, the 5th wavelength e and the 6th wavelength f are unrestricted, can be configured according to practical application request, example
Such as, it can be configured according to the demand of demand and light transmission to optical filtering.In the present embodiment, to avoid redgreenblue
The absorbed problem of beam section, the first wave length a are the minimum wavelength of blue light, and the second wave length b is blue light
Maximum wavelength, the third wavelength c are the minimum wavelength of green light, and the 4th wavelength d is the maximum wavelength of green light, described
5th wavelength e is the minimum wavelength of red light, and the 6th wavelength f is the maximum wavelength of red light.
In detail, the wave-length coverage of blue light can be 440-475nm, that is to say, that the first wave length a can be
440nm, the second wave length b can be 475nm.The wave-length coverage of green light can be 520-560nm, that is to say, that described
Third wavelength c can be 520nm, and the 4th wavelength d can be 560nm.The wave-length coverage of red light can be 620-
760nm, that is to say, that the 5th wavelength e can be 620nm, and the 6th wavelength f can be 760nm.
Optionally, the type of first light absorbent is unrestricted, can be configured according to practical application request, example
Such as, it may include, but be not limited to pyrazolone dye, benzophenone dyestuff, phenyl triasine dyes, benzotriazole dyestuff, oxalyl
At least one of aniline dyes and salicylic acid rouge dyestuff, that is to say, that first light absorbent can be by a kind of material structure
At, be also possible to by multiple material mix constitute.
Optionally, the type of second light absorbent is unrestricted, can be configured according to practical application request, example
At least one of such as, may include, but be not limited to methyl dyestuff and azo metal dye, that is to say, that second extinction
Material can be made of a kind of material, be also possible to be made of multiple material mixing.
Optionally, the type of the third light absorbent is unrestricted, can be configured according to practical application request, example
Such as, it may include, but be not limited at least one of anthraquinone dye and Lay quinone dyestuff, that is to say, that the third light absorbent
It can be made of a kind of material, be also possible to be made of multiple material mixing.
Optionally, the type of the 4th light absorbent is unrestricted, can be configured according to practical application request, example
At least one of such as, may include, but be not limited to cyanine dye, phthalocyanine dye and azo dyes, that is to say, that the described 4th
Light absorbent can be made of a kind of material, be also possible to be made of multiple material mixing.
It is understood that above-mentioned various light absorbents can also be the other materials other than dyestuff, for example, it is also possible to be
Pigment, paint, crystalline material, nano material and other compound-materials etc..
Optionally, when the filter membranous layer 110 is made of a variety of light absorbents, the side of the filter membranous layer 110 is formed
Formula is unrestricted, for example, it may be each light absorbent is successively made in the substrate layer 120, is also possible to each extinction material
It is made in the substrate layer 120 again after material mixing.
Also, the mode that light absorbent is made in the substrate layer 120 is unrestricted, can be according to practical application request
It is configured, for example, may include, but be not limited to coating, spraying or printing etc..
Further, a large amount of to avoid being incident to light beam of the filter membranous layer 110 far from 120 one side of substrate layer
The problem for reflecting and causing imaging effect bad in the present embodiment can be by the filter membranous layer 110 far from the substrate layer
120 are set as rough surface on one side, to reduce the reflection to incident beam.
Optionally, the concrete type of the substrate layer 120 is unrestricted, can be configured according to practical application request,
For example, either flexible structure, is also possible to the structure with certain rigidity.Wherein, flexible structure may include, but unlimited
In flexible plastic films such as PE, PVC, CPP, BOPP, PC, PET, PA or TPU.May include with certain rigid structure, but
It is not limited to the transparent substrates such as glass, acrylic.
Also, the substrate layer 120 is unrestricted to the light transmittance of visible light, can be set according to practical application request
It sets.It in the present embodiment, is the effect for guaranteeing imaging display, the light transmittance of the substrate layer 120 can be greater than or equal to
75%.
Optionally, the concrete type of the imaging layer 130 is unrestricted, can be configured according to practical application request,
For example, it may be resin layer, is also possible to that minuteness particle will be added to increase the diffusivity to light beam in resin layer.
Optionally, the reflecting layer 140 is unrestricted to the size of the reflectivity of visible light, can be according to practical application need
It asks and is configured, for example, can be configured according to the effect demand of imaging display.In the present embodiment, the reflecting layer
The average reflectance of 140 pairs of each visible lights can be greater than or equal to 65%.Also, the thickness in the reflecting layer 140 is unrestricted,
It can be configured according to practical application request, for example, it may be being greater than or equal to 50nm, and be less than or equal to 50000nm.
Wherein, the material in the reflecting layer 140 is unrestricted, as long as being to the albedo of visible light with certain
Can, for example, may include, but the metal materials such as aluminium, gold, silver, copper, chromium or nickel are not limited to, nichrome, aluminium alloy, titanium alloy
Equal alloy materials, TiO2/SiO2, Nb2O5/SiO2, Ta2O5/SiO2, Al2O3/SiO2, HfO2/SiO2, TiO2/MgF2, Nb2O5/
MgF2, Ta2O5/MgF2, Al2O3/MgF2, HfO2/MgF2Contour, low-index material alternate combinations at film stacking structure.
Further, to avoid the problem that the projection screen 100 is damaged by external devices in use, in the present embodiment
In, in conjunction with Fig. 4, the projection screen 100 can also include anti-scratch layer 150.
Wherein, the anti-scratch layer 150 is made in one side of the filter membranous layer 110 far from the substrate layer 120, with
It avoids the filter membranous layer 110 from being scratched far from the one side of the substrate layer 120 by external devices, and then leads to optical filtering filter effect
The problem of reduction.
Optionally, the type of the anti-scratch layer 150 is unrestricted, can be configured according to practical application request, only
Want can have preferable adhesion strength and higher light transmittance, for example, either transparent glass, transparent modeling
The materials such as flitch, crystalline ceramics are also possible to one layer of stable compound-material of property, such as resin, SiO2、Al2O3, silicon nitride
Deng.
Further, to avoid the problem that the reflecting layer 140 is oxidized due to for a long time as in air in use,
In the present embodiment, the projection screen 100 can also include anti oxidation layer 160.
Wherein, the anti oxidation layer 160 is made in one side of the reflecting layer 140 far from the imaging layer 130, to have
Effect reduces the contact area in the reflecting layer 140 with air, thus avoid the reflecting layer 140 cause to fall off because being oxidized or
Rotten problem, and then effectively guarantee 140 pairs of the reflecting layer incident light beam albedo with higher.
In conclusion projection screen 100 provided by the invention and optical projection system 10, are made of setting light absorbent
Filter membranous layer 110, to absorb the light of other colors other than redgreenblue, it is possible to prevente effectively from redgreenblue in environment light
The light beam of other colors in addition enters imaging layer 130, and after mixing with the light beam of projector output, to imaging layer 130 at
As effect impacts, and then the problem for causing imaging effect poor, greatly improve comparison when projection screen 100 is imaged
Degree, color rendition, luminance gain and color are quasi-.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of projection screen characterized by comprising
Substrate layer；
It is made in the laminated filter membranous layer of the substrate；
It is made in imaging layer of the substrate layer far from the filter membranous layer one side；And
It is made in the imaging layer reflecting layer laminated far from the substrate；
Wherein, the filter membranous layer is made of light absorbent, so that the filter membranous layer can penetrate the light of redgreenblue, and is inhaled
Receive the light of other colors other than redgreenblue.
2. projection screen according to claim 1, which is characterized in that the filter membranous layer includes:
First light absorbent, first light absorbent absorb the visible light for being less than first wave length and through greater than the first wave length
Visible light, wherein the first wave length is the minimum wavelength of blue light；
Second light absorbent, which penetrates the visible light for being less than second wave length, absorption is greater than second wave length and small
In the visible light of third wavelength, through the visible light for being greater than third wavelength, wherein the second wave length is the maximum wave of blue light
Long, which is the minimum wavelength of green light；
Third light absorbent, the third light absorbent penetrate less than the visible light of the 4th wavelength, absorb and be greater than the 4th wavelength and small
In the visible light of the 5th wavelength, through the visible light for being greater than the 5th wavelength, wherein the 4th wavelength is the maximum wave of green light
Long, the 5th wavelength is the minimum wavelength of red light；And
4th light absorbent, the 4th light absorbent, which penetrates the visible light less than the 6th wavelength and absorbs, is greater than the 6th wavelength
Visible light, wherein the 6th wavelength is the maximum wavelength of red light.
3. projection screen according to claim 2, which is characterized in that first light absorbent includes pyrazolone dye
In material, benzophenone dyestuff, phenyl triasine dyes, benzotriazole dyestuff, oxanilide dyestuff and salicylic acid rouge dyestuff at least
It is a kind of.
4. projection screen according to claim 2, which is characterized in that second light absorbent includes methyl dyestuff and idol
At least one of nitrogen metal dye.
5. projection screen according to claim 2, which is characterized in that the third light absorbent includes anthraquinone dye and Lay
At least one of quinone dyestuff.
6. projection screen according to claim 2, which is characterized in that the 4th light absorbent includes cyanine dye, phthalein
At least one of cyanine dyes and azo dyes.
7. projection screen described in -6 any one according to claim 1, which is characterized in that the filter membranous layer is far from the base
The one side of material layer is rough surface, to reduce the reflection to incident beam.
8. projection screen described in -6 any one according to claim 1, which is characterized in that further include:
Anti-scratch layer, the anti-scratch layer are made in one side of the filter membranous layer far from the substrate layer.
9. projection screen described in -6 any one according to claim 1, which is characterized in that further include:
Anti oxidation layer, the anti oxidation layer are made in one side of the reflecting layer far from the imaging layer.
10. a kind of optical projection system, which is characterized in that including laser projection and based on the laser projection output light beam into
The projection screen of row imaging display, the projection screen include:
Substrate layer；
It is made in the laminated filter membranous layer of the substrate；
It is made in imaging layer of the substrate layer far from the filter membranous layer one side；And
It is made in the imaging layer reflecting layer laminated far from the substrate；
Wherein, the filter membranous layer is made of light absorbent, so that the filter membranous layer can penetrate the light of redgreenblue, and is inhaled
Receive the light of other colors other than redgreenblue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307877.XA CN109254489A (en) | 2018-11-05 | 2018-11-05 | Projection screen and optical projection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811307877.XA CN109254489A (en) | 2018-11-05 | 2018-11-05 | Projection screen and optical projection system |
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| CN109254489A true CN109254489A (en) | 2019-01-22 |
Family
ID=65044249
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811307877.XA Pending CN109254489A (en) | 2018-11-05 | 2018-11-05 | Projection screen and optical projection system |
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| CN111301867A (en) * | 2020-04-01 | 2020-06-19 | 济宁市技师学院 | Multi-angle projection type computer display device |
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