WO2015199027A1 - Élément transparent servant à l'affichage d'image, système d'affichage d'image et procédé d'affichage d'image - Google Patents

Élément transparent servant à l'affichage d'image, système d'affichage d'image et procédé d'affichage d'image Download PDF

Info

Publication number
WO2015199027A1
WO2015199027A1 PCT/JP2015/067884 JP2015067884W WO2015199027A1 WO 2015199027 A1 WO2015199027 A1 WO 2015199027A1 JP 2015067884 W JP2015067884 W JP 2015067884W WO 2015199027 A1 WO2015199027 A1 WO 2015199027A1
Authority
WO
WIPO (PCT)
Prior art keywords
transparent member
image display
display transparent
transparent
image
Prior art date
Application number
PCT/JP2015/067884
Other languages
English (en)
Japanese (ja)
Inventor
賢太 関川
幸宏 垰
海田　由里子
研一 江畑
一志 辻村
Original Assignee
旭硝子株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 旭硝子株式会社 filed Critical 旭硝子株式会社
Priority to JP2016529570A priority Critical patent/JP6569673B2/ja
Publication of WO2015199027A1 publication Critical patent/WO2015199027A1/fr

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/08—Mirrors

Definitions

  • the present invention relates to a video display transparent member that displays video light projected from a projector so as to be visible to an observer, and a video display system and a video display method using the same.
  • the viewer can see the scene seen from the other side of the transparent member when viewed from the observer side, and when transmitting information such as the description of products, the state of various devices, destination guidance, transmission items, etc. to the observer
  • the image projected from the projector An image display transparent member (so-called transparent screen) that displays light as a visual image to an observer.
  • the image display transparent member includes a reflective image display transparent member that displays the image light projected from the projector as an image to an observer on the same side as the projector; and the image light projected from the projector There is a transmission type image display transparent member that displays the image as a video to an observer on the opposite side of the projector.
  • the conventional image display transparent member has low transparency (high haze) and poor visibility of the scene.
  • the reflective image display transparent member for example, a regular uneven structure (microlens) on the surface between the first transparent substrate 110 and the second transparent substrate 120 as shown in FIG.
  • a video display transparent member 101 having a second transparent layer 134 provided so as to cover the surface of 133 is proposed (see Patent Document 1).
  • the video display transparent member 101 has high transparency (low haze), high visibility of the scene, and high screen gain of the video.
  • the reflected light R regularly reflected by the reflective film 133 is reflected by the interface (first surface A) between the second transparent substrate 120 and air. ), And is imaged by being scattered by the reflection film 133 at a location different from the location where the light was first scattered, and can be visually recognized as a second image by the observer X on the same side as the projector 200. Is displayed. Therefore, the reflective image display transparent member 101 has a problem that a double image is formed.
  • the transmitted light T that has passed through the reflective film 133 without being imaged travels straight without being scattered, and the first transparent substrate 110 Reflected at the interface between air and air (second surface B), further reflected at the interface between the second transparent substrate 120 and air (first surface A), and different from the first scattered portion
  • the second image is displayed so as to be visible to the viewer X on the same side as the projector 200. Therefore, the reflective image display transparent member 101 has a problem that a double image is formed.
  • the transmitted light T that has passed through the reflective film 133 without being imaged is transmitted through the interface between the first transparent substrate 110 and the air (first 2 is reflected by the reflection film 133 at a location different from the location where it was first scattered, and can be viewed as an image by another viewer Y on the opposite side of the projector 200. Is displayed. Therefore, the reflective image display transparent member 101 has a problem that a back image is formed.
  • the transmissive image display transparent member for example, as shown in FIG. 13, the transparent layer 142 and the inside of the transparent layer 142 are disposed between the first transparent substrate 110 and the second transparent substrate 120.
  • a video display transparent member 102 having a plurality of light scattering portions 143 extending in the plane direction and arranged in parallel to each other at a predetermined interval has been proposed (see Patent Document 2).
  • the image light L projected from the projector 200 and incident from the surface on the first transparent substrate 110 side (first surface A) is The light is scattered by the light scattering unit 143 to form an image, which is displayed as a video image for the viewer Y on the opposite side of the projector 200.
  • the transmissive image display transparent member 102 As shown in FIG. 13, the transmitted light T that has passed through the light scattering portion 143 without being imaged travels straight without being scattered, and the second transparent substrate. Reflected at the interface between the air 120 and the air (second surface B), further reflected at the interface between the first transparent substrate 110 and the air (first surface A), and different from the first scattered portion. By being scattered at the light scattering portion 143 at the location, it is displayed so as to be visible as a second image to the viewer Y on the opposite side of the projector 200. Therefore, the transmissive image display transparent member 102 has a problem that a double image is formed.
  • the present invention provides an image display transparent member in which formation of a double image is suppressed, and an image display system and an image display method using the same.
  • the present invention has the following configuration. [1] It has a first surface and a second surface opposite to the first surface, and transmits a scene on the first surface side so as to be visible to an observer on the second surface side. Is transparent to the viewer on the first surface side, and the image light projected from the first surface side is displayed as a video to the viewer on the first surface side so as to be visible.
  • a member, The image display transparent member is an image display transparent member in which at least a first surface has an antireflection structure.
  • a first transparent layer having an uneven structure on the surface;
  • a reflective film that is formed along the surface of the first transparent layer on the concave-convex structure side and transmits a part of incident light;
  • a second transparent layer provided to cover the surface of the reflective film,
  • Ra arithmetic average roughness
  • the image display transparent member has an antireflection structure on at least one of or both of the first surface and the second surface.
  • a video display system comprising the video display transparent member according to any one of [1] to [17] and a projector installed on the first surface side of the video display transparent member.
  • the image display transparent member according to any one of the above [1] to [17] is projected with image light from a projector installed on the first surface side of the image display transparent member to display the image. , Video display method.
  • the visibility of the projected image is good and the formation of a double image is suppressed.
  • FIG. 1 is a schematic configuration diagram illustrating an example of a video display system of the present invention and a layer configuration diagram illustrating an example of a reflective video display transparent member of the present invention. It is sectional drawing which shows an example of the manufacturing process of the reflection type image display transparent member of this invention. It is a layer block diagram which shows the other example of the reflection type image display transparent member of this invention. It is a layer block diagram which shows the other example of the reflection type image display transparent member of this invention. It is a layer block diagram which shows the other example of the reflection type image display transparent member of this invention. It is a layer block diagram which shows the other example of the reflection type image display transparent member of this invention. It is the schematic block diagram which shows the other example of the video display system of this invention, and the layer block diagram which shows an example of the transmissive
  • the “first surface” means the outermost surface of the image display transparent member and the surface on the side where image light is projected from the projector.
  • the “second surface” means the outermost surface of the image display transparent member and the surface opposite to the first surface.
  • the scene on the first surface side (second surface side) means the other side of the image display transparent member as viewed from the observer on the second surface side (first surface side) of the image display transparent member. It means an image (a main object (a product, a work of art, a person, etc.) and its background, a landscape, etc.) that is visible to the side. The scene does not include an image in which the image light projected from the projector is imaged and displayed on the image display transparent member.
  • the “antireflection structure” means a three-dimensional shape or a layer configuration for reducing light reflection.
  • “Forward haze” refers to incident light caused by forward scattering among transmitted light transmitted from the first surface side to the second surface side or transmitted light transmitted from the second surface side to the first surface side. The percentage of transmitted light deviating from 0.044 rad (2.5 °) or more. That is, it is a normal haze measured by the method described in JIS K 7136: 2000 (ISO 14782: 1999).
  • “Backward haze” means the percentage of the reflected light that is reflected on the first surface and that is 0.044 rad (2.5 °) or more away from the regular reflected light due to scattering.
  • Uneven structure means a plurality of protrusions, a plurality of recesses, or an uneven shape composed of a plurality of protrusions and recesses.
  • the “irregular concavo-convex structure” means a concavo-convex structure in which convex portions or concave portions do not appear periodically and the sizes of the convex portions or concave portions are irregular.
  • “Fine concavo-convex structure” means a concavo-convex structure in which the average interval between convex portions or concave portions is equal to or less than the wavelength of visible light.
  • the “sheet” may be a sheet or a continuous belt.
  • the arithmetic average roughness (Ra) is an arithmetic average roughness measured based on JIS B 0601: 2013 (ISO 4287: 1997, Amd. 1: 2009).
  • the reference length lr (cut-off value ⁇ c) for the roughness curve was 0.8 mm.
  • the transmittance is a value in which the ratio of the total amount of light transmitted and scattered in the forward direction with respect to the incident light is a percentage.
  • the reflectance is a value in which the ratio of the total amount of light reflected and scattered in the backward direction with respect to incident light is a percentage.
  • the transmittance, reflectance and refractive index are values measured at room temperature using d-line (wavelength 589 nm) of a sodium lamp.
  • the first aspect of the image display transparent member of the present invention has a first surface and a second surface opposite to the first surface, and gives a scene on the first surface side to an observer on the second surface side.
  • the first surface side observer transmits image light projected from the first surface side and transmitted through the second surface side so as to be visible to the first surface side observer.
  • the image display transparent member is visibly displayed as an image, and the image display transparent member is a reflective image display transparent member having at least a first surface having an antireflection structure.
  • FIG. 1 is a layer configuration diagram showing an example of a reflective image display transparent member of the present invention.
  • a light scattering sheet 30 is disposed between the first transparent substrate 10 and the second transparent substrate 20, and the light scattering sheet 30 of the first transparent substrate 10 is Is an antireflection film 50 disposed on the opposite surface.
  • the first transparent substrate 10 and the light scattering sheet 30 are bonded by the adhesive layer 12, and the second transparent substrate 20 and the light scattering sheet 30 are bonded by the adhesive layer 22, and the first transparent substrate 10 and the antireflection film 50 are bonded by an adhesive layer 52.
  • Transparent substrate Examples of the material of the first transparent substrate 10 and the second transparent substrate 20 (hereinafter collectively referred to as a transparent substrate) include glass and transparent resin. The material of each transparent substrate may be the same or different.
  • the glass constituting the transparent substrate examples include soda lime glass, alkali-free glass, borosilicate glass, and aluminosilicate glass.
  • the transparent substrate made of glass may be subjected to chemical strengthening, physical strengthening, hard coating or the like in order to improve durability.
  • the transparent resin constituting the transparent substrate examples include polycarbonate, polyester (polyethylene terephthalate, polyethylene naphthalate, etc.), triacetyl cellulose, cycloolefin polymer, polymethyl methacrylate, etc. From the viewpoint of weather resistance and transparency, polycarbonate , Polyester or cycloolefin polymers are preferred.
  • the thickness of a transparent base material should just be the thickness by which durability as a base material is maintained.
  • the thickness of the transparent substrate may be, for example, 0.01 mm or more, 0.05 mm or more, and 0.1 mm or more.
  • the thickness of the transparent substrate may be, for example, 10 mm or less, 5 mm or less, 0.5 mm or less, 0.3 mm or less, and 0.15 mm or less. It's okay.
  • Adhesive layer examples of materials for the adhesive layer 12, the adhesive layer 22, and the adhesive layer 52 (hereinafter, collectively referred to as an adhesive layer) include ethylene-vinyl acetate copolymer, polyvinyl butyral, pressure-sensitive adhesive (acrylic pressure-sensitive adhesive, etc.), and photocuring. Resin composition, thermosetting resin composition, thermoplastic resin composition, and the like. The material of each adhesive layer may be the same or different.
  • thermoplastic resin contained in the thermoplastic resin composition examples include plasticized polyvinyl acetal, plasticized polyvinyl chloride, saturated polyester, plasticized saturated polyester, polyurethane, plasticized polyurethane, ethylene-vinyl acetate copolymer, ethylene -Ethyl acrylate copolymer and the like.
  • the thickness of the adhesive layer is not particularly limited as long as the function as the adhesive layer is maintained. For example, 0.01 to 1.5 mm is preferable, and 0.05 to 1 mm is more preferable.
  • the light scattering sheet 30 includes a first transparent film 31; a first transparent layer 32 provided on the surface of the first transparent film 31 and having an irregular uneven structure on the surface; and a first transparent layer 32.
  • a reflective film 33 that is formed along the surface of the concave-convex structure side and transmits a part of incident light; a second transparent layer 34 provided so as to cover the surface of the reflective film 33; And a second transparent film 35 provided on the surface of the transparent layer 34.
  • the first transparent film 31 and the second transparent film 35 may be a transparent resin film or a thin glass film.
  • the material of each transparent film may be the same or different.
  • Examples of the transparent resin constituting the transparent resin film include polycarbonate, polyester (polyethylene terephthalate, polyethylene naphthalate, etc.), triacetyl cellulose, cycloolefin polymer, polymethyl methacrylate, and the like.
  • the thickness of the transparent film is preferably such that a roll-to-roll process can be applied, for example, 0.01 to 0.5 mm is preferable, 0.05 to 0.3 mm is more preferable, and 0.2 mm or less is more preferable.
  • the first transparent layer 32 and the second transparent layer 34 are preferably transparent resin layers.
  • the material of each transparent layer may be the same or different, and the same is preferable.
  • the transparent resin constituting the transparent resin layer a cured product of a photocurable resin (acrylic resin, epoxy resin, etc.), a cured product of a thermosetting resin, a thermoplastic resin, or the like is preferable.
  • the yellow index of the transparent resin constituting the transparent resin layer is preferably 10 or less and more preferably 5 or less from the viewpoint of maintaining transparency so that the function as a window in the image display transparent member is not impaired.
  • the thickness of the transparent layer may be any thickness that can be easily formed by a roll-to-roll process, and is preferably 0.5 to 50 ⁇ m, for example.
  • the transmittance of the transparent layer is preferably 50 to 100%, more preferably 75 to 100%, and still more preferably 90 to 100%.
  • the arithmetic average roughness Ra of the irregular concavo-convex structure formed on the surface of the first transparent layer 32 is preferably 0.01 to 2 ⁇ m, more preferably 0.05 to 2 ⁇ m, still more preferably 0.1 to 1 ⁇ m. . If the arithmetic average roughness Ra is within this range, the projected image has a wide viewing angle, can be viewed without directly viewing the specularly reflected light, the graininess due to the concavo-convex structure is suppressed, and the visibility is good (resolution is good) High) projection image can be obtained.
  • the reflection film 33 may be any film that transmits part of the light incident on the reflection film 33 and reflects the other part.
  • Examples of the reflective film 33 include a metal film, a semiconductor film, a dielectric single layer film, a dielectric multilayer film, and combinations thereof.
  • the metal constituting the metal film, semiconductor film, and the like examples include aluminum, silver, nickel, chromium, tungsten, silicon, and the like, and aluminum, silver, or an alloy containing them as a main component is preferable.
  • Examples of the dielectric constituting the dielectric film include metal oxides and metal nitrides.
  • the reflective film 33 preferably has a metal thin film or a film structure in which an oxide film, a metal thin film, and an oxide film are laminated in this order.
  • the thickness of the reflective film 33 is preferably 1 to 100 nm from the viewpoint that the irregular uneven structure formed on the surface of the first transparent layer 32 can be utilized without hindering the function of the arithmetic average roughness Ra. 4 to 25 nm is more preferable.
  • the preferred arithmetic average roughness Ra of the reflective film 33 is in the same range as the arithmetic average roughness Ra of the first transparent layer 32.
  • the reflectance of the reflective film 33 is preferably 5% or more, more preferably 15% or more, and even more preferably 30% or more as a range in which a sufficient screen gain can be obtained. Usually, the reflectance of the reflective film 33 is preferably 80% or less.
  • FIG. 2 (a) An example of a method for manufacturing the light scattering sheet 30 will be described with reference to FIG.
  • a mold 61 in which an irregular concavo-convex structure is formed on the surface by applying a photocurable resin 36 to the surface of the first transparent film 31, and the concavo-convex structure is photocurable.
  • the photo-curing resin 36 is overlaid so as to be in contact with the resin 36.
  • a metal is physically vapor-deposited on the surface of the first transparent layer 32 to form a reflective film 33 made of a metal thin film.
  • a photocurable resin 37 is applied to the surface of the reflective film 33, and the second transparent film 35 is overlaid on the photocurable resin 37.
  • light ultraviolet rays or the like
  • Examples of the mold 61 include a resin film, a metal plate, and the like on which an irregular uneven structure is formed on the surface.
  • Examples of the resin film having an irregular concavo-convex structure formed on the surface include a resin film containing fine particles and a resin film that has been sandblasted.
  • Examples of the photocurable resin coating method include a die coating method, a blade coating method, a gravure coating method, a spin coating method, an ink jet method, and a spray coating method.
  • Examples of physical vapor deposition include vacuum vapor deposition and sputtering.
  • the antireflection film 50 has an effect of suppressing the formation of a double image.
  • the double image is not conspicuous, but the resolution is low and only a low-quality projected image can be obtained. For example, it affects the visibility of small characters in the projected image.
  • the antireflection film 50 may be a known antireflection film having an antireflection structure.
  • the antireflection structure examples include a fine concavo-convex structure, a low refractive index single layer film, and a multilayer film in which a plurality of dielectric films are laminated. It is preferable to use a multilayer film in which a single layer film having a low refractive index and a plurality of dielectric films are used as an antireflection structure because it has excellent scratch resistance and durability.
  • an antireflection film having a fine concavo-convex structure on the surface is used as the antireflection film 50, the incidence angle dependency of the reflectance is small, and even when a short focus projector is used as the projector 200, a double image can be formed. It is sufficiently suppressed and preferable.
  • the fine concavo-convex structure include a so-called Moseye (registered trademark) structure in which irregularities are regularly arranged, and irregularly arranged structures having various irregular shapes.
  • the height of the convex portion in the fine concavo-convex structure is preferably 100 nm or more from the viewpoint of suppressing reflection. From the viewpoint of durability, the height of the convex portion in the fine concavo-convex structure is preferably 1000 nm or less, and more preferably 500 nm or less.
  • the refractive index of the outermost layer present at the interface between the multilayer film and air is lower than the average refractive index of the multilayer film, It is preferable in that the effect of suppressing the angle dependency is high, and more preferably, the refractive index of the outermost layer is the lowest.
  • the average refractive index of the multilayer film is calculated by adding the product of the refractive index of the dielectric film and the volume ratio of the dielectric film to the multilayer film.
  • the material for the dielectric film include a fluorine-containing polymer and a silicone resin.
  • the distance from the imaging plane of the video light to the air interface is 0.5 mm or more because formation of a double image is easily suppressed.
  • the imaging surface is a surface on the side on which light of the reflecting film is incident.
  • the total thickness from the transparent layer 32 to the antireflection film 50 is preferably 0.5 mm or more, more preferably 0.5 to 10 mm, and even more preferably 0.5 to 5 mm. Within this range, it is easy to suppress the formation of double images.
  • the transmittance of the image display transparent member 1 is preferably 5% or more, more preferably 10% or more, and more preferably 15% from the viewpoint of good visibility of the scene seen beyond the image display transparent member 1 when viewed from the viewer side. The above is preferable.
  • the transmittance of the image display transparent member 1 is preferably 90% or less, more preferably 80% or less, and even more preferably 75% or less, from the viewpoint of appropriately maintaining the gain of the screen.
  • the regular reflectance as the reflectance of the surface on the first surface A of the image display transparent member 1 is preferably 2% or less, more preferably 1% or less, from the viewpoint of sufficiently suppressing the formation of double images. % Or less is more preferable.
  • the total reflectance of the first surface A of the image display transparent member 1 is preferably 10% or more, and more preferably 30% or more. Usually, the total reflectance is preferably 80% or less.
  • the forward haze of the image display transparent member 1 is preferably 50% or less, more preferably 15% or less, and more preferably 10% from the viewpoint of good visibility of a scene seen from the viewer side as viewed from the viewer side. The following is more preferable.
  • the rear haze of the image display transparent member 1 is preferably 5% or more, more preferably 15% or more, further preferably 30% or more, and further preferably 50% or more from the viewpoint of securing screen gain.
  • the rear haze of the image display transparent member 1 is preferably 90% or less, and more preferably 80% or less, from the viewpoint of the visibility of the scene seen from the viewer side as viewed from the viewer side.
  • the ratio of the rear haze to the front haze is preferably 0.5 or more, more preferably 1 or more, and particularly preferably 2 to 20. If the back haze / forward haze is 1 or more, even if there is an environment of 100 lux or more in the range where the observer's line of sight viewing the image display transparent member 1 can reach, it is beyond the image display transparent member 1 when viewed from the observer side. The visibility of the sight seen on the side is good, and the projected image and the sight on the other side of the image display transparent member 1 can be seen. Such a video display transparent member 1 is suitable for being used in an environment where ambient light exists.
  • the refractive index difference between adjacent layers in the image display transparent member 1 is preferably within 0.2 from the viewpoint that the reflectance at each layer interface is suppressed to within 0.5%, and the reflectance at each layer interface is 0.1. From the point which becomes about%, 0.1 or less is more preferable.
  • a first aspect of the video display system of the present invention is a video display system including the reflective video display transparent member of the present invention and a projector installed on the first surface side of the video display transparent member. .
  • FIG. 1 is a schematic configuration diagram showing an example of a video display system of the present invention.
  • the video display system includes a reflective video display transparent member 1 and a projector 200 installed on the first surface A side of the video display transparent member 1.
  • the projector 200 may be anything that can project the image light L onto the image display transparent member 1. Examples of the projector 200 include a known projector.
  • Video display method using a reflective video display transparent member image light is projected from a projector installed on the first surface side of the image display transparent member onto the reflective image display transparent member of the present invention. This is a video display method to be displayed.
  • the image light L projected from the projector 200 and incident from the surface (first surface A) on the antireflection film 50 side of the image display transparent member 1 is scattered by the reflection film 33.
  • the image is formed and can be displayed as a video image to the viewer X on the same side as the projector 200.
  • the reflective film 33 in the image display transparent member 1 transmits part of the incident light, the scene on the first surface A side can be transmitted to the viewer Y on the second surface B side so that it can be visually recognized.
  • the scene on the second surface B side can be transmitted to the viewer X on the first surface A side so as to be visible.
  • the first surface A has an antireflection structure derived from the antireflection film 50.
  • the transmitted light T regularly reflected at the interface (second surface B) between the second transparent base material 20 and air is converted into the interface (first surface) between the antireflection film 50 and air. Almost no reflection in A). For this reason, the transmitted light T is prevented from entering the reflective film 33 again, and the formation of a double image is suppressed. Further, the reflected light R regularly reflected by the reflective film 33 is not reflected at the interface (first surface A) between the antireflection film 50 and air.
  • the reflected light R is prevented from entering the reflective film 33 again, and the formation of a double image is suppressed. Further, the reflection of the reflected light R on the first surface A is suppressed, and the viewing angle of the projected image is widened.
  • the reflective image display transparent member of the present invention has a first surface and a second surface opposite to the first surface, and gives a scene on the first surface side to an observer on the second surface side.
  • the first surface side observer transmits image light projected from the first surface side and transmitted through the second surface side so as to be visible to the first surface side observer.
  • the video display transparent member that can be visually recognized as an image, as long as at least the first surface has an antireflection structure, is necessary for the video display transparent member. There is no limitation.
  • the reflective image display transparent member of the present invention has the light of the surface of the first transparent substrate 10 opposite to the light scattering sheet 30 and the light of the second transparent substrate 20.
  • the image display transparent member 2 in which the antireflection film 50 is disposed on the surface opposite to the scattering sheet 30 may be used. Since the second surface B has the antireflection structure derived from the antireflection film 50, the transmitted light that has passed through the reflection film 33 is almost at the interface (second surface B) between the antireflection film 50 and air. Does not reflect. Therefore, the transmitted light is prevented from entering the reflective film 33 again, and the formation of the back image is suppressed.
  • the reflective image display transparent member of the present invention omits the first transparent substrate 10 and arranges the antireflection film 50 on the surface of the first transparent film 31 of the light scattering sheet 30.
  • the image display transparent member 3 may be used.
  • the second transparent substrate 20 is an existing window glass or the like, that is, the light scattering sheet 30 with the antireflection film 50 is attached to the existing window glass or the like. An example is given.
  • the second transparent base material 20 may be omitted.
  • the multi-layer glass having two glass plates and a frame-like spacer interposed between the glass plates so that a gap is formed between the glass plates, on the inner surface of one glass plate,
  • the light scattering sheet 30 with the antireflection film 50 may be attached.
  • the reflective image display transparent member of the present invention omits the first transparent base material 10 and the second transparent base material 20, and the first transparent film 31 of the light scattering sheet 30.
  • the image display transparent member 4 having the antireflection film 50 disposed on the surface may be used.
  • the video display transparent member 4 can be attached to an existing window glass or the like using an adhesive layer.
  • the video display transparent member 4 can be deformed and is suitable for forming a video display transparent member having a curved surface.
  • the first transparent film 31 and the second transparent film 35 may be replaced with the first transparent substrate 10 and the second transparent substrate 20. .
  • the image light from the projector may be projected onto the second transparent substrate side.
  • an antireflection film is provided on the surface of the second transparent substrate, or an antireflection structure is formed directly on the surface of the second transparent substrate.
  • the light scattering sheet 30 may be arranged so that the second transparent film 35 of the light scattering sheet 30 is on the projector 200 side.
  • the antireflection structure may be formed on the surface of the antireflection film, and directly on the surface of the transparent substrate without disposing the antireflection film. It may be formed. Moreover, when a transparent substrate is omitted, it may be formed directly on the surface of the transparent film. An antireflection structure may be provided at the interface between the layers. In the light scattering sheet, when the light scattering sheet can maintain its shape even without a transparent film, it is not always necessary to provide the transparent film on the light scattering sheet.
  • the uneven structure on the surface of the first transparent layer may be a regular uneven structure (such as a microlens array).
  • the uneven structure on the surface of the first transparent layer is preferably an irregular uneven structure.
  • a reflective film is formed on the surface of a regular concavo-convex structure (such as a microlens array)
  • color unevenness occurs in the scene seen from the video display transparent member when viewed from the observer side, or spectral
  • the edge portion of the scene seen from the viewer side beyond the image display transparent member looks like a rainbow color, and visibility is impaired.
  • a half mirror with a scattering material laminated In addition to the concavo-convex structure with a reflective film, and other examples in which the concavo-convex structure is embedded, a half mirror with a scattering material laminated; a volume hologram that may cause reflection, deflection, diffusion, etc .; kinoform type Holograms, other uneven surfaces, and structures that have a reflective film formed on the surface may cause deflection, reflection, diffusion, etc .; using cholesteric liquid crystals, polymer cholesteric liquid crystals, etc.
  • the second aspect of the image display transparent member of the present invention has a first surface and a second surface opposite to the first surface, and gives a scene on the first surface side to an observer on the second surface side.
  • the second surface side observer transmits the second surface side view so as to be visible to the first surface side observer, and the image light projected from the first surface side.
  • FIG. 6 is a layer configuration diagram showing an example of the transmissive image display transparent member of the present invention.
  • a light scattering sheet 40 is disposed between the first transparent base material 10 and the second transparent base material 20, and the light scattering sheet 40 of the first transparent base material 10 Is an antireflection film 50 disposed on the opposite surface.
  • the 1st transparent base material 10 and the light-scattering sheet 40 are adhere
  • the light scattering sheet 40 includes: a first transparent film 41; a transparent layer 42 provided on the surface of the first transparent film 41; and the inside of the transparent layer 42 arranged in parallel with each other at a predetermined interval.
  • a plurality of light scattering portions 43 extending in the plane direction and having a right-angled cross section in a direction perpendicular to the longitudinal direction; and a second transparent film 45 provided on the surface of the transparent layer 42.
  • a structure in which a plurality of light scattering portions 43 extending in a one-dimensional direction in a stripe shape is sometimes described as a louver structure.
  • the first transparent film 41 and the second transparent film 45 may be a transparent resin film or a thin glass film.
  • the material of each transparent film may be the same or different. What is necessary is just to use the thing similar to the transparent film of the light-scattering sheet 30 mentioned above as a transparent film.
  • the transparent layer 42 is preferably a transparent resin layer.
  • the transparent resin constituting the transparent resin layer the same transparent resin as that constituting the transparent resin layer of the light scattering sheet 30 described above may be used.
  • the thickness of the transparent layer 42 is preferably 10 to 200 ⁇ m. When the thickness of the transparent layer 42 is 10 ⁇ m or more, the interval between the light scattering portions 43 is also 10 ⁇ m or more, and the effect of the louver structure is sufficiently exhibited. If the thickness of the transparent layer 42 is 200 ⁇ m or less, it is easy to form the transparent layer 42 by a roll-to-roll process.
  • the light scattering portion 43 includes, for example, a transparent resin, a light scattering material, and a light absorbing material as necessary.
  • the transparent resin contained in the light scattering portion 43 examples include a cured product of a photocurable resin (acrylic resin, epoxy resin, etc.), a cured product of a thermosetting resin, a thermoplastic resin, and the like.
  • the transparent resin contained in the light scattering portion 43 may be the same as or different from the transparent resin constituting the transparent layer 42.
  • fine particles of high refractive index material such as titanium oxide (refractive index: 2.5 to 2.7), zirconium oxide (refractive index: 2.4), aluminum oxide (refractive index: 1.76), etc.
  • Fine particles of a low refractive index material such as porous silica (refractive index: 1.3 or lower), hollow silica (refractive index: 1.3 or lower), etc .; a resin material having a low refractive index with low compatibility with the transparent resin; crystal And a resin material having a thickness of 1 ⁇ m or less.
  • the concentration of the light scattering material is preferably 0.01 to 5% by volume, more preferably 0.05 to 1% by volume.
  • the average particle diameter of the fine particles is preferably 0.05 to 1 ⁇ m, more preferably 0.15 to 0.8 ⁇ m.
  • the average particle diameter of the fine particles is approximately the same as or slightly smaller than the wavelength of the scattered light, the probability of being scattered forward increases, and the function of scattering incident light without refracting becomes stronger. As a result, the distortion of the scene seen beyond the image display transparent member 5 when viewed from the observer side is suppressed and the amount of light is not changed suddenly, so that the visibility of the scene is improved.
  • the light scattering portion 43 includes a light absorbing material
  • a part of light propagating as unnecessary stray light in the image display transparent member 5 can be absorbed, and scattered light is reduced. Therefore, the phenomenon that the image display transparent member 5 appears cloudy is suppressed, the contrast of the image is improved, and the visibility of the image is improved. Further, the contrast of the scene seen from the other side of the image display transparent member 5 when viewed from the observer side is improved, and the visibility of the scene is also improved.
  • the light absorbing material include carbon black and titanium black.
  • the concentration of the light absorbing material is preferably 0.01 to 10% by volume, more preferably 0.1 to 3% by volume.
  • the distance between the light scattering portions 43 (the distance between the centers of the adjacent light scattering portions 43) is preferably 10 to 250 ⁇ m, and more preferably 10 to 100 ⁇ m. If the interval between the light scattering portions 43 is 10 ⁇ m or more, the light scattering portions 43 are easily formed. If the space
  • the width of the light scattering portion 43 (the direction of the surface of the light scattering sheet 40 and the direction perpendicular to the longitudinal direction of the light scattering portion 43) is preferably 10 to 70%, more preferably 25 to 50% of the interval between the light scattering portions 43. . If the width of the light scattering portion 43 is 10% or more of the interval between the light scattering portions 43, the light scattering portion 43 is easily formed. If the width of the light scattering portion 43 is 70% or less of the interval between the light scattering portions 43, the transmittance of the light scattering portion 43 and the visibility of the scene seen beyond the image display transparent member 5 when viewed from the observer side. Will improve.
  • the ratio of the height of the light scattering portion 43 to the width of the light scattering portion 43 (the direction orthogonal to the surface direction of the light scattering sheet 40), that is, the aspect ratio, is obliquely incident while maintaining the straight light transmittance of the scene.
  • 1 or more is preferable, 1.5 or more is more preferable, and 2 or more is more preferable.
  • the aspect ratio is preferably 10 or less.
  • the distance from the image plane of the image light to the air interface is 0.5 mm or more because formation of a double image is easily suppressed.
  • the imaging surface is a light scattering portion.
  • a photocurable resin 46 was applied to the surface of the first transparent film 41, and a plurality of ridges having right-angled triangles corresponding to the light scattering portions 43 were formed on the surface.
  • the mold 62 is overlaid on the photocurable resin 46 so that the ridges are in contact with the photocurable resin 46.
  • a paste containing a photocurable resin, a light scattering material, and, if necessary, a light absorbing material is supplied to the surface of the transparent layer lower layer 42a, and the excess is scraped off with a doctor blade.
  • the paste 48 is embedded in the groove 44 of the transparent layer lower layer 42a.
  • the light scattering part 43 is formed by irradiating light (ultraviolet light or the like) and curing the paste 48.
  • a photocurable resin 47 is applied to the surface of the transparent layer lower layer 42 a and the surface of the light scattering portion 43, and the second transparent film 45 is overlaid on the photocurable resin 47.
  • the light scattering sheet 40 is formed by irradiating light (ultraviolet rays or the like) from the first transparent film 41 side or the second transparent film 45 side to cure the photocurable resin 47 to form a transparent layer upper layer. Get.
  • Examples of the mold 62 include a resin film having a plurality of convex portions formed on the surface, a metal plate, and the like.
  • Examples of the photocurable resin coating method include a die coating method, a blade coating method, a gravure coating method, a spin coating method, an ink jet method, and a spray coating method.
  • the transmittance of the image display transparent member 5 is preferably 5% or more, more preferably 10% or more, and more preferably 15% from the viewpoint of good visibility of the scene seen beyond the image display transparent member 5 when viewed from the viewer side. The above is more preferable.
  • the surface reflectance (regular reflectance) on the first surface A of the image display transparent member 5 is preferably 2% or less, more preferably 1% or less, from the viewpoint of sufficiently suppressing formation of a double image. 5% or less is more preferable.
  • the forward haze of the image display transparent member 5 is preferably 4% or more, more preferably 5% or more, and even more preferably 8% or more from the viewpoint of securing the gain of the screen and securing the viewing angle.
  • the forward haze of the image display transparent member 5 is preferably 50% or less, more preferably 40% or less, and more preferably 30% or less from the viewpoint of visibility of a scene seen from the viewer side as viewed from the viewer side. Is more preferable, and 20% or less is particularly preferable.
  • the difference between the refractive index of the transparent layer 42 and the refractive index of the light scattering portion 43 in the image display transparent member 5 is preferably 0.01 or less, more preferably 0.005 or less, and further preferably 0.001 or less.
  • the transparent layer 42 and the light scattering portion 43 preferably have the same refractive index from the viewpoint of suppressing rainbow unevenness and spectroscopic spectacles.
  • the difference between the refractive index of the transparent film and the refractive index of the transparent layer 42 in the image display transparent member 5 is preferably as small as possible.
  • the difference between the refractive index of the transparent film and the refractive index of the transparent layer 42 is preferably 0.1 or less, more preferably 0.05 or less, still more preferably 0.01 or less, and particularly preferably 0.001 or less.
  • a second aspect of the video display system of the present invention is a video display system including the transmissive video display transparent member of the present invention and a projector installed on the first surface side of the video display transparent member. .
  • FIG. 6 is a schematic configuration diagram showing another example of the video display system of the present invention.
  • the video display system includes a reflective video display transparent member 5 and a projector 200 installed on the first surface A side of the video display transparent member 5.
  • the projector 200 may be anything that can project the image light L onto the image display transparent member 5. Examples of the projector 200 include a known projector.
  • Video display method using transparent video display transparent member image light is projected from a projector installed on the first surface side of the image display transparent member onto the transmission-type image display transparent member of the present invention. This is a video display method to be displayed.
  • the image light L projected from the projector 200 and incident from the surface (first surface A) on the antireflection film 50 side of the image display transparent member 5 is scattered in the light scattering portion 43. And is displayed as an image so as to be visible to the viewer Y on the opposite side of the projector 200.
  • the gap between the light scattering portions 43 in the image display transparent member 5 transmits light, the scene on the first surface A side can be visibly transmitted to the viewer Y on the second surface B side, and the first The scene on the second surface B side can be transmitted to the viewer X on the first surface A side so as to be visible.
  • the first surface A has an antireflection structure derived from the antireflection film 50.
  • the transmitted light T that has passed through the light scattering portion 43 is reflected at the interface (second surface B) between the second transparent base material 20 and air, the antireflection film 50 and the air And hardly reflects at the interface (first surface A). Therefore, the light that has been transmitted through the light scattering portion 43 and reflected by the second surface B is prevented from entering the light scattering portion 43 again, and the formation of a double image is suppressed.
  • the transmissive image display transparent member of the present invention has a first surface and a second surface opposite to the first surface, and gives a scene on the first surface side to an observer on the second surface side.
  • the second surface side observer transmits the second surface side view so as to be visible to the first surface side observer, and the image light projected from the first surface side.
  • It is a video display transparent member that is visibly displayed as an image, and the video display transparent member only needs to have an antireflection structure on one or both of the first surface and the second surface.
  • the image display transparent member 5 in FIG. 6 is not limited. In the following, the same components as those of the video display transparent member 5 in FIG.
  • the transmissive image display transparent member of the present invention is an image display in which an antireflection film 50 is disposed on the surface of the second transparent substrate 20 opposite to the light scattering sheet 40.
  • the transparent member 6 may be used. Since the second surface B has an antireflection structure derived from the antireflection film 50, the transmitted light T transmitted through the light scattering portion 43 is an interface between the antireflection film 50 and air (second surface B). Almost no reflection. For this reason, the transmitted light is prevented from entering the light scattering portion 43 again, and the formation of a double image is suppressed. Further, reflection of light on the first surface B is suppressed, and the viewing angle of the projected image is widened.
  • the transmissive image display transparent member of the present invention has the light of the surface of the first transparent base 10 opposite to the light scattering sheet 40 and the second transparent base 20.
  • the image display transparent member 7 in which the antireflection film 50 is disposed on the surface opposite to the scattering sheet 40 may be used.
  • the first surface A and the second surface B have the antireflection structure derived from the antireflection film 50, the formation of a double image is more reliably suppressed. Further, reflection of light on the first surface B is suppressed, and the viewing angle of the projected image is widened.
  • the first transparent substrate 10 is omitted, and an antireflection film 50 is provided on the surface of the first transparent film 41 of the light scattering sheet 40.
  • the arranged video display transparent member 8 may be used.
  • the second transparent substrate 20 is an existing window glass or the like, that is, the light scattering sheet 40 with the antireflection film 50 is pasted on the existing window glass or the like. An example is given.
  • the second transparent base material 20 may be omitted.
  • the multi-layer glass having two glass plates and a frame-like spacer interposed between the glass plates so that a gap is formed between the glass plates, on the inner surface of one glass plate,
  • the light scattering sheet 40 with the antireflection film 50 may be attached.
  • the transmissive image display transparent member of the present invention omits the first transparent base material 10 and the second transparent base material 20, and the first transparent film 41 of the light scattering sheet 40.
  • the image display transparent member 9 having the antireflection film 50 disposed on the surface may be used.
  • the video display transparent member 9 can be attached to an existing window glass or the like using an adhesive layer.
  • the video display transparent member 9 can be deformed and is suitable for forming a video display transparent member having a curved surface.
  • the first transparent film 41 and the second transparent film 45 may be replaced with the first transparent substrate 10 and the second transparent substrate 20. Good.
  • the antireflection structure may be formed on the surface of the antireflection film, and directly on the surface of the transparent substrate without disposing the antireflection film. It may be formed. Moreover, when a transparent substrate is omitted, it may be formed directly on the surface of the transparent film. An antireflection structure may be provided at the interface between the layers. In the light scattering sheet, when the light scattering sheet can maintain its shape even without a transparent film, it is not always necessary to provide the transparent film on the light scattering sheet.
  • the shape of the cross section orthogonal to the longitudinal direction of the light scattering portion 43 is not limited to the right triangle as shown in the example, but may be other triangles, trapezoids, bell shapes, etc. There may be.
  • Other examples of the light scattering sheet include those that are transmitted, deflected, and diffused by volume holograms; those that are deflected, scattered, and diffused by a kinoform type hologram or other configuration having an uneven surface; It is done.
  • the light scattering sheet is a light scattering layer in which the light scattering particles are dispersed throughout the transparent layer without providing a plurality of light scattering portions as shown in the illustration in the transparent layer.
  • the light scattering fine particles include fine particles of a high refractive index material such as titanium oxide, zirconium oxide, and aluminum oxide; fine particles of a low refractive index material such as porous silica and hollow silica;
  • the concentration of the light scattering fine particles is preferably from 0.01 to 5% by volume, more preferably from 0.05 to 1% by volume.
  • the average particle diameter of the light scattering fine particles is preferably 50 to 1000 nm, more preferably 100 to 800 nm, for the reasons described above.
  • the light scattering layer may contain a light absorbing material for the reason described above.
  • the concentration of the light absorbing material is preferably from 0.01 to 5% by volume, more preferably from 0.1 to 3% by volume.
  • Examples 2 and 4 are examples, and examples 1 and 3 are comparative examples.
  • Example 1 On the surface of a transparent polyethylene terephthalate (hereinafter referred to as PET) film (Toyobo Co., Ltd., Cosmo Shine (registered trademark) A4300, thickness: 0.1 mm), an ultraviolet curable resin (Osaka Gas Chemical Co., Ltd. A solution in which 3 parts by mass of a photoinitiator (manufactured by BASF, Irgacure (registered trademark) 907) was mixed with 100 parts by mass of (registered trademark) EA-F5003) was applied to a thickness of 10 ⁇ m by a die coating method.
  • PET transparent polyethylene terephthalate
  • a white PET film (E20, arithmetic average roughness Ra: 0.23 ⁇ m, thickness: 50 ⁇ m) having an irregular concavo-convex structure formed on the surface thereof, so that the concavo-convex structure is in contact with the ultraviolet curable resin, It was layered on the UV curable resin.
  • the white PET film After irradiating 1000 mJ ultraviolet rays from the transparent PET film side to cure the ultraviolet curable resin to form the first transparent layer having the irregular uneven structure of the white PET film transferred to the surface, the white PET film was peeled off.
  • Aluminum was physically vapor-deposited on the surface of the first transparent layer by a vacuum vapor deposition method to form a reflective film made of an aluminum thin film (thickness: 8 nm).
  • UV curable resin (Ossol (registered trademark) EA-F5003, manufactured by Osaka Gas Chemical Company).
  • BASF Irgacure
  • UV curable resin Ossol (registered trademark) EA-F5003, manufactured by Osaka Gas Chemical Company.
  • the partially mixed solution was applied to a thickness of 10 ⁇ m by a die coating method, and a transparent PET film (thickness: 0.1 mm) was overlaid on the ultraviolet curable resin.
  • the light-scattering sheet of Example 1 was obtained by irradiating 1000 mJ of ultraviolet rays to cure the ultraviolet curable resin to form a second transparent layer.
  • Soda lime glass plate manufactured by Matsunami Glass Co., Ltd., thickness: 3 mm
  • polyvinyl butyral (hereinafter referred to as PVB) film Soflex (registered trademark) RK11l, thickness: 375 ⁇ m, manufactured by Solutia
  • light scattering sheet of Example 1 PVB film (thickness: 375 ⁇ m)
  • soda lime glass plate thickness: 3 mm
  • vacuum thermocompression bonding atmospheric pressure: 0.1 MPa, temperature: 120 ° C.
  • the evaluation results of the image display transparent member of Example 1 are shown in Table 1.
  • Example 2 In the image display transparent member of Example 1, an antireflection film (manufactured by NOF Corporation, RL7800) is applied to the surface of a soda lime glass plate serving as a first transparent substrate, and an adhesive layer (material: acrylic resin, thickness: 500 ⁇ m). ) To obtain a reflective video display transparent member of Example 2. The evaluation results of the image display transparent member of Example 2 are shown in Table 1.
  • Example 3 On the surface of a transparent PET film (manufactured by Toyobo Co., Ltd., Cosmo Shine (registered trademark) A4300, thickness: 50 ⁇ m), an ultraviolet curable resin (manufactured by Hitachi Chemical Co., Ltd., Hitaroid (registered trademark) 7981, specific gravity 1.1) is bladed It was applied so as to have a thickness of 80 ⁇ m by a coating method.
  • a mold having a plurality of ridges with a right-angled triangle cross section corresponding to the light scattering portion formed on the surface is exposed to ultraviolet rays at a temperature of 25 ° C. and a gauge pressure of 0.5 MPa so that the ridges are in contact with the ultraviolet curable resin. Pressed onto the curable resin.
  • Ultraviolet curable resin (Hitaloid (registered trademark) 7981, manufactured by Hitachi Chemical Co., Ltd., specific gravity 1.1) and titanium oxide fine particles (average particle size: 0.2 ⁇ m, specific gravity 4.2) are 0.1% by volume.
  • a paste mixed with was prepared. The paste was embedded in the groove of the lower layer of the transparent layer by supplying the paste to the surface of the lower layer of the transparent layer and scraping off the excess with a doctor blade. A light scattering part was formed by irradiating 1000 mJ of ultraviolet rays to cure the paste.
  • An ultraviolet curable resin (Hitaloid (registered trademark) 7981, manufactured by Hitachi Chemical Co., Ltd., specific gravity 1.1) is applied to the surface of the lower layer of the transparent layer and the light scattering portion by a die coating method to a thickness of 5 ⁇ m. A transparent PET film was overlaid on top. Subsequently, the light-scattering sheet
  • Soda lime glass plate (Matsunami Glass, thickness: 3 mm), PVB film (Solutia® Saflex (registered trademark) RK11l, thickness: 375 ⁇ m), light scattering sheet of Example 3, PVB film (thickness: 375 ⁇ m) And a soda-lime glass plate (thickness: 3 mm) were laminated in this order, and vacuum thermocompression bonding (atmospheric pressure: 0.1 MPa, temperature: 120 ° C.) was performed to obtain a transmission type image display transparent member of Example 3.
  • Table 1 shows the evaluation results of the image display transparent member of Example 3.
  • Example 4 In the image display transparent member of Example 3, an antireflection film (manufactured by NOF Corporation, RL7800) is applied to the surface of a soda lime glass plate serving as a first transparent substrate, and an adhesive layer (material: acrylic resin, thickness: 500 ⁇ m). ) To obtain a transmissive image display transparent member of Example 4. The evaluation results of the image display transparent member of Example 4 are shown in Table 1.
  • the evaluation criteria in the table are as follows. (Scene visibility) When viewed from the viewer side (observer X in the case of the reflection type, observer Y in the case of the transmission type), the visibility of the scene seen beyond the video display transparent member was evaluated according to the following criteria. 0: Good. 1: Good when the near side is dark or the outside light is small. 2: At a level where rough recognition is possible. 3: The scene cannot be visually recognized.
  • the visibility of the image displayed on the image display transparent member was evaluated according to the following criteria, as viewed from the observer side (observer X in the case of the reflection type, and observer Y in the case of the transmission type). 0: Good. 1: Good when the surroundings are dark. 2: At a level where rough recognition is possible. 3: The image cannot be visually recognized.
  • the double image displayed on the image display transparent member was evaluated according to the following criteria, as viewed from the observer side (observer X for the reflective type and observer Y for the transmissive type). 0: A double image cannot be recognized. 3: A double image can be recognized.
  • the video display transparent member of the present invention is a showcase for goods, etc .; an exhibition case for art, animals, etc .; a window for buildings, showrooms, vehicles, etc .; a glass door; a transparent partition in a room; an outer wall of a building; It is useful as a transparent member used in vending machines. Specifically, it is possible to visually recognize the sight seen from the side of the transparent member when viewed from the observer side, and to convey information such as explanation of products, various equipment states, destination guidance, transmission items, etc. to the observer. Projected from the projector, such as displaying operation screens of various devices to the observer, making it impossible for the observer to see the scene behind the transparent member for privacy protection, security, etc.
  • Image display transparent member 10 First transparent substrate, 12 Adhesive layer, 20 Second transparent substrate, 22 Adhesive layer, 30 Light scattering sheet, 31 First transparent film, 32 First transparent layer , 33 reflective film, 34 second transparent layer, 35 second transparent film, 36 photocurable resin, 37 photocurable resin, 40 light scattering sheet, 41 first transparent film, 42 transparent layer, 42a transparent layer Lower layer, 43 light scattering part, 44 groove, 45 second transparent film, 46 photocurable resin, 47 photocurable resin, 48 paste, 50 antireflection film, 52 adhesive layer, 61 mold, 62 mold, 101 video display Transparent member, 102, image display transparent member, 110, first transparent substrate, 120, second transparent substrate, 132, first transparent layer, 133, reflective film, 13 2nd transparent layer, 142 transparent layer, 143 light scattering part, 200 projector, A 1st surface, B 2nd surface, L image light, R reflected light, T transmitted light, X observer, Y observer .

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Surface Treatment Of Optical Elements (AREA)
  • Projection Apparatus (AREA)

Abstract

L'objet de la présente invention est de fournir un élément transparent servant à l'affichage d'image ayant supprimé la formation d'image double et un système d'affichage d'image et un procédé d'affichage d'image l'utilisant. La présente invention concerne : un élément transparent servant à l'affichage d'image (1) qui possède une première surface (A) et une seconde surface (B) sur le côté opposé de la première surface (A), transmet une scène à partir du côté de première surface de manière à être visible par un observateur (Y) sur le côté de seconde surface, transmet une scène à partir du côté de seconde surface de manière à être visible par un observateur (X) sur le côté de première surface et affiche la lumière d'image projetée à partir du côté de première surface de manière à être visible comme une image par l'observateur (X) sur le côté de première surface, au moins la première surface (A) possédant une structure antireflet (film antireflet (50) ; un système d'affichage d'image muni de l'élément transparent servant à l'affichage d'image (1) et un projecteur (200) disposé sur le côté de première surface ; et un procédé d'affichage d'image destiné à projeter une lumière d'image sur l'élément transparent servant à l'affichage d'image (1) à partir du projecteur (200) disposé sur le côté de première surface et à amener une image à s'afficher.
PCT/JP2015/067884 2014-06-23 2015-06-22 Élément transparent servant à l'affichage d'image, système d'affichage d'image et procédé d'affichage d'image WO2015199027A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2016529570A JP6569673B2 (ja) 2014-06-23 2015-06-22 映像表示透明部材、映像表示システムおよび映像表示方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-128553 2014-06-23
JP2014128553 2014-06-23

Publications (1)

Publication Number Publication Date
WO2015199027A1 true WO2015199027A1 (fr) 2015-12-30

Family

ID=54938109

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/067884 WO2015199027A1 (fr) 2014-06-23 2015-06-22 Élément transparent servant à l'affichage d'image, système d'affichage d'image et procédé d'affichage d'image

Country Status (2)

Country Link
JP (1) JP6569673B2 (fr)
WO (1) WO2015199027A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017134315A (ja) * 2016-01-29 2017-08-03 大日本印刷株式会社 スクリーン、映像表示装置
JP2017167218A (ja) * 2016-03-14 2017-09-21 日立マクセル株式会社 投影用フィルム作製用組成物、投影用フィルム及び投影用スクリーン
JPWO2017221527A1 (ja) * 2016-06-20 2019-04-18 パナソニックＩｐマネジメント株式会社 透明スクリーン、及び、映像表示システム
JP2019184693A (ja) * 2018-04-04 2019-10-24 凸版印刷株式会社 反射型スクリーン
JP2021002057A (ja) * 2020-09-07 2021-01-07 大日本印刷株式会社 透過型スクリーン、背面投射型表示装置
EP3694735A4 (fr) * 2017-10-10 2021-03-10 Central Glass Co., Ltd. Dispositif d'affichage tête-haute à revêtement fonctionnel antireflet amélioré sur pare-brise
JPWO2019225749A1 (ja) * 2018-05-25 2021-07-15 Ａｇｃ株式会社 映像投影構造体、その製造方法、および映像表示システム
CN114391164A (zh) * 2019-06-07 2022-04-22 株式会社利富高 显示器装置及其制造方法以及具备显示器装置的仪表板
US11422294B2 (en) 2017-10-10 2022-08-23 Central Glass Company, Limited Durable functional coatings
WO2022188564A1 (fr) * 2021-03-12 2022-09-15 江苏集萃智能液晶科技有限公司 Film de projection transparent à haute définition, procédé de préparation et système de projection l'utilisant

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11288035A (ja) * 1998-02-09 1999-10-19 Denso Corp 表示装置
JP2001242546A (ja) * 1999-12-22 2001-09-07 Kimoto & Co Ltd 透視可能な透過型スクリーン
JP2002099047A (ja) * 2000-09-22 2002-04-05 Mitsubishi Electric Corp スクリーン装置及び表示システム
JP2006227581A (ja) * 2005-01-21 2006-08-31 Dainippon Printing Co Ltd 透過反射両用投影スクリーン及びそれを備えた投影システム
JP2010231080A (ja) * 2009-03-27 2010-10-14 Mitsui Chemicals Inc スクリーン
JP2014071288A (ja) * 2012-09-28 2014-04-21 Dainippon Printing Co Ltd スクリーン
JP2014509963A (ja) * 2011-01-31 2014-04-24 サン−ゴバン グラス フランス 拡散反射を備えた透明部材
JP2014095771A (ja) * 2012-11-08 2014-05-22 Dainippon Printing Co Ltd スクリーン、及びスクリーンの製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100477192B1 (ko) * 2002-12-06 2005-03-21 최해용 고이득 하이컨트라스트 반사 스크린
JP2008032777A (ja) * 2006-07-26 2008-02-14 Dainippon Printing Co Ltd 光制御シート
KR101174550B1 (ko) * 2010-03-05 2012-08-16 최해용 광고용 양방향 반사 스크린 장치

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11288035A (ja) * 1998-02-09 1999-10-19 Denso Corp 表示装置
JP2001242546A (ja) * 1999-12-22 2001-09-07 Kimoto & Co Ltd 透視可能な透過型スクリーン
JP2002099047A (ja) * 2000-09-22 2002-04-05 Mitsubishi Electric Corp スクリーン装置及び表示システム
JP2006227581A (ja) * 2005-01-21 2006-08-31 Dainippon Printing Co Ltd 透過反射両用投影スクリーン及びそれを備えた投影システム
JP2010231080A (ja) * 2009-03-27 2010-10-14 Mitsui Chemicals Inc スクリーン
JP2014509963A (ja) * 2011-01-31 2014-04-24 サン−ゴバン グラス フランス 拡散反射を備えた透明部材
JP2014071288A (ja) * 2012-09-28 2014-04-21 Dainippon Printing Co Ltd スクリーン
JP2014095771A (ja) * 2012-11-08 2014-05-22 Dainippon Printing Co Ltd スクリーン、及びスクリーンの製造方法

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017134315A (ja) * 2016-01-29 2017-08-03 大日本印刷株式会社 スクリーン、映像表示装置
JP2017167218A (ja) * 2016-03-14 2017-09-21 日立マクセル株式会社 投影用フィルム作製用組成物、投影用フィルム及び投影用スクリーン
JPWO2017221527A1 (ja) * 2016-06-20 2019-04-18 パナソニックＩｐマネジメント株式会社 透明スクリーン、及び、映像表示システム
EP3694735A4 (fr) * 2017-10-10 2021-03-10 Central Glass Co., Ltd. Dispositif d'affichage tête-haute à revêtement fonctionnel antireflet amélioré sur pare-brise
US11422294B2 (en) 2017-10-10 2022-08-23 Central Glass Company, Limited Durable functional coatings
JP2019184693A (ja) * 2018-04-04 2019-10-24 凸版印刷株式会社 反射型スクリーン
JP7312530B2 (ja) 2018-04-04 2023-07-21 凸版印刷株式会社 反射型スクリーン
JPWO2019225749A1 (ja) * 2018-05-25 2021-07-15 Ａｇｃ株式会社 映像投影構造体、その製造方法、および映像表示システム
CN114391164A (zh) * 2019-06-07 2022-04-22 株式会社利富高 显示器装置及其制造方法以及具备显示器装置的仪表板
CN114391164B (zh) * 2019-06-07 2024-05-31 株式会社利富高 显示器装置及其制造方法以及具备显示器装置的仪表板
JP7001132B2 (ja) 2020-09-07 2022-01-19 大日本印刷株式会社 透過型スクリーン、背面投射型表示装置
JP2021002057A (ja) * 2020-09-07 2021-01-07 大日本印刷株式会社 透過型スクリーン、背面投射型表示装置
WO2022188564A1 (fr) * 2021-03-12 2022-09-15 江苏集萃智能液晶科技有限公司 Film de projection transparent à haute définition, procédé de préparation et système de projection l'utilisant

Also Published As

Publication number Publication date
JPWO2015199027A1 (ja) 2017-05-25
JP6569673B2 (ja) 2019-09-04

Similar Documents

Publication Publication Date Title
JP6569673B2 (ja) 映像表示透明部材、映像表示システムおよび映像表示方法
JP6725029B2 (ja) 映像表示透明部材、映像表示システムおよび映像表示方法
JP6529728B2 (ja) 映像表示システムおよび映像表示方法
JP6575657B2 (ja) 映像投影構造体、映像投影構造体の製造方法、映像投影方法及び自動車用窓
EP3151063B1 (fr) Structure de projection video, procede de projection video, et fenêtre de projection video
CN108139660B (zh) 映像投影结构体以及映像投影方法
JP2017090617A (ja) 調光機能付きスクリーンガラスおよび映像表示システム
JP6477026B2 (ja) 映像投影窓
US10481480B2 (en) Reflection-type screen and sheet for reflection-type screen
JP2016095456A (ja) 映像表示透明部材、映像表示システムおよび映像表示方法
JP2016109778A (ja) 透過型透明スクリーン、映像表示システムおよび映像表示方法
JP6565581B2 (ja) 映像表示透明部材を備える透明スクリーン、および映像表示システム
JP2016109894A (ja) 映像表示透明部材、映像表示システムおよび映像表示方法
JP2005208558A (ja) 反射型スクリーン
JP6659994B2 (ja) 表示装置
JP2015227971A (ja) 映像投影構造体
JP2018081193A (ja) 反射スクリーン、映像表示装置
JP2017090616A (ja) スクリーン機能付きブラインドガラスおよび映像表示システム
JP3225573U (ja) ミラースクリーン、及び投影システム
JP7070613B2 (ja) 映像表示装置
JP6848501B2 (ja) 反射スクリーン、映像表示装置
JP2020134677A (ja) 反射スクリーン、光学部材、映像表示装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15810885

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2016529570

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 15810885

Country of ref document: EP

Kind code of ref document: A1