WO2020121773A1 - Système de signalisation - Google Patents

Système de signalisation Download PDF

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Publication number
WO2020121773A1
WO2020121773A1 PCT/JP2019/045674 JP2019045674W WO2020121773A1 WO 2020121773 A1 WO2020121773 A1 WO 2020121773A1 JP 2019045674 W JP2019045674 W JP 2019045674W WO 2020121773 A1 WO2020121773 A1 WO 2020121773A1
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WO
WIPO (PCT)
Prior art keywords
image
light
design
unit
projection
Prior art date
Application number
PCT/JP2019/045674
Other languages
English (en)
Japanese (ja)
Inventor
敦嘉 田中
修 仁義
Original Assignee
株式会社ダイカン
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 株式会社ダイカン filed Critical 株式会社ダイカン
Publication of WO2020121773A1 publication Critical patent/WO2020121773A1/fr

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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
    • 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
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • 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

Definitions

  • the present invention relates to a design signature system that is used, for example, for lighting signs such as store names and logos and lighting advertisements.
  • a light emitting device with a design that is called a lighting sign or lighting advertisement that brightly displays a store name or logo.
  • a design light emitting device diffuses the light of the light source on the front panel and emits diffused light to brightly display a design such as a shop name or a logo. Since this designable light emitting device has high visibility and is beautiful, it is used in various places such as displaying the brand name on the front of a brand store or at the entrance.
  • Such design light-emitting devices have changed from conventional neon signs to LED signs using LEDs in recent years, and various design properties are required.
  • Patent Document 1 in forming a light emitting advertisement device using light emitting diodes, a plurality of color light emitting diodes (G, W, etc.) are provided for the purpose of forming an inexpensive and high-quality one.
  • the first display part which is constructed by drawing a predetermined pattern and characters, and the monochromatic (red) light emitting diodes are arranged in a matrix, and these monochromatic light emitting diodes are driven and displayed in a bitmap format.
  • a light emitting advertisement device configured with a second display unit that changes and displays characters.
  • the above-described light-emitting advertising device has the advertising function enhanced by being configured with the first display part and the second display part having different displays, it does not give a high-class feeling.
  • the present invention has been made in view of the above problems, and an object of the present invention is to provide a designable signature system with high designability that can produce a high-class feeling.
  • the present invention is directed to a video projection unit that projects a video composed of a still image and/or a moving image, a projection screen body that reflects the video projected from the video projection unit, and projects the video image visually so that the projection screen body includes the projection screen body.
  • a design portion partially provided on the projection surface side and formed in a shape representing a character, a figure, or a pattern. The design portion diffuses and reflects a part of the light received on the surface side and transmits the rest.
  • the signature system is characterized by having a semi-transparent layer.
  • FIG. 6 is an explanatory diagram of a front view of the designable signature portion of the second embodiment.
  • 7A and 7B are explanatory views of the designable signature portion of the second embodiment.
  • FIG. 6 is an explanatory diagram of a front view of the designable signature portion of the second embodiment.
  • 7A and 7B are explanatory views of the designable signature portion of the second embodiment.
  • FIG. 1 is an explanatory diagram of a design signature system 101.
  • the design signature system 101 includes a design signature unit 1, a projector 2 as an image projection unit, and a personal computer 3 as a control unit for controlling the image projection state of the projector 2.
  • the design signature part 1 is placed here on the front wall of a building such as a store for advertising and publicity so that it can be seen by passersby.
  • the designable sign portion 1 is formed of a projection screen body 1a that is provided on the front wall surface and covers the entire range in which an image is projected by the projector 2.
  • the projection screen body 1a includes a design portion 10 which is three-dimensionally installed on the wall surface and an image reflecting portion 11 which is a portion other than the design portion 10 in the entire image projection range of the wall surface.
  • the design portion 10 is formed in a shape that represents a character, a figure, or a pattern, and in this example, a shape that represents the character "DAIKAN" and a lateral line-shaped figure below the character that imitates the "wave shape". Is formed in.
  • the wall is arranged vertically, but it can be an appropriate wall such as an inclined wall, a ceiling wall, or a floor wall. Further, the wall is preferably a flat surface, but may have an appropriate shape such as a slightly curved curved surface or a spherical surface.
  • the designability sign unit 1 includes, in addition to the design unit 10, a projection screen body 1a including the design unit 10 therein. That is, the design portion 10 and the image reflection portion 11 that is a part of the wall surface on which the design portion 10 is partially installed serve as the projection screen body 1 a and reflect the image projected from the projector 2. It is visible.
  • the designable signature part 1 may be arranged on the wall surface, ceiling surface, floor surface, entrance or exit of the facility used by a person, or in the vicinity thereof, or may pass near the position thus arranged or The size may be such that a person standing still can visually recognize the character, figure, or pattern representing the design portion 10.
  • the projector 2 is located on the front side of the designable signature portion 1 and at a position where the designable signature portion 1 is obliquely projected to the designable signature portion 1 from a direction different from the normal to the plane on which the designable signature portion 1 is provided. It is installed apart from 1. More specifically, the direction in which the image is projected by the projector 2 is set in the range of 5° to 60° when the direction that coincides with the normal line direction of the plane on which the designable sign section 1 is provided is 0°. , And more preferably in the range of 10° to 45°. As a result, the visibility of the person with respect to the image is ensured, and the light of the image on the design portion 10 can be appropriately reflected.
  • the projector 2 projects an image composed of a still image and/or a moving image toward the projection screen body 1a of the designable sign section 1 and projects the image on the projection screen body 1a.
  • the personal computer 3 controls to transmit an image (computer graphics) that matches the three-dimensional shape of the designable signature part 1 created in advance using a computer to the projector 2 via the audio/video control cable 4.
  • FIG. 2A is an explanatory view with a cross-sectional view of the designable signature portion 1
  • FIG. 2B is an explanatory view with a partially enlarged cross-sectional view of the designable signature portion 1.
  • the designable signature portion 1 is configured by providing a design portion 10 on an image reflection portion 11 which is a part of a wall surface.
  • the image reflection unit 11 constitutes a part of the projection screen body 1a.
  • the image reflection portion 11 is made of an opaque material.
  • the image reflection unit 11 is planar, but may have a three-dimensional shape.
  • the image reflection portion 11 may be subjected to a treatment such as a graining process or a non-glare process. This reduces the reflection of external light and reduces the reflection of the person's figure and background.
  • a fluorescent lamp or the like is less strongly reflected, and the projected image can be displayed clearly.
  • the light that has entered the image reflection portion 11 that has been subjected to the embossing processing or the non-glare processing is diffused and emitted as soft light, so that a high-class feeling can be obtained.
  • the projection screen body 1a is preferably a flat surface along the shape of the wall described above, but may be an appropriate shape such as a slightly curved curved surface or spherical surface. Further, the projection screen body 1a can be the image reflection portion 11 itself, but can also be a screen provided on the wall surface. In any case, it is preferable that the projection screen body 1a is a surface having no unevenness so that at least a person does not seem to have unevenness at first glance, and a rough surface may be used, but a smooth surface may be used. Preferably.
  • the design part 10 is made of a colorless and transparent material, and in this example, a colorless and transparent acrylic material is used.
  • the upper limit of the thickness of the acrylic material can be 100 mm or less, preferably 50 mm or less, more preferably 10 mm or less. By doing so, the transparency can be maintained.
  • the lower limit of the thickness of the acrylic material can be 1 mm or more, and more preferably 2 mm or more. Thereby, strength can be maintained.
  • the thickness of the acrylic material is most preferably 2 to 4 mm from the viewpoint of transparency and strength.
  • the design unit 10 is composed of a plurality of objects 14.
  • Each of the objects 14 has the same constant height as the protrusion amount from the image reflection portion 11, and the surface 15 is configured to be a surface parallel to the surface of the image reflection portion 11.
  • the peripheral surface 16 of each object 14 is configured to be perpendicular to the surface of the image reflection unit 11 and the surface 15 of the object 11.
  • the peripheral surface 16 of each object 14 is not limited to such a right angle, and as the object 14 projects from the connecting portion of the image reflection portion 11, the cross-sectional area of the cross section parallel to the surface 15 becomes smaller.
  • An appropriate configuration can be adopted such as an inclined surface or a curved surface that is gradually inclined, or a step shape.
  • the inclined surface, the curved surface, or the vertical surface which does not have a surface parallel to the surface 15 like a step, is preferable, More preferably, the vertical surface has no slope.
  • a corner portion 17 whose cross section is a right angle is formed at the connecting portion between the surface 15 and the peripheral surface 16 of the object 14.
  • the corner portion 17 is formed in a shape that does not form a right angle, such as a curved corner with R, or chamfering so as to form a flat surface at a predetermined angle such as 45 degrees with respect to the surface 15. May be.
  • the corner portion 17 is formed into a right angle or a curved shape without planar chamfering so that a flat surface does not exist, and it is more preferable that the corner portion 17 is formed into a right angle so as not to reflect light in another direction.
  • the design part 10 may partially include parts having different heights and surface shapes. Even in this case, since the surface 15 of the object 11 having a predetermined amount or more is configured to have the same height and the same corner 17 and the same peripheral surface 16 on the same surface, the designability as a signature and the design of image display Both sexes can be achieved.
  • the predetermined amount can be 50% or more, preferably 70% or more, and more preferably 90% or more.
  • the design portion 10 has a semitransparent layer 10a on the front surface side.
  • the semi-transparent layer 10a is formed by subjecting the surface 15 of the design portion 10 to a treatment for diffusing reflected light in various directions by graining, frosting or non-glare processing. Therefore, the semitransparent layer 10a is a layer having fine irregularities on the surface and is a very thin layer.
  • the surface roughness of the semitransparent layer 10a thus formed is preferably Ra3 to 20 microns.
  • the semitransparent layer 10a on the surface of the design portion 10 diffuses and reflects a part of the light received on the surface side and transmits the rest. Further, since the semitransparent layer 10a can suppress the transmission of light incident from the front surface side, it can be used as a screen for displaying an image.
  • the design portion 10 has an opaque layer 10b on the back surface.
  • the design portion 10 is provided so as to overlap a part of the wall surface having the image reflection portion 11 with the opaque layer 10b interposed therebetween.
  • the opaque layer 10b reflects the remaining light that has passed through the semitransparent layer 10a on the front surface and reached the back surface.
  • the opaque layer 10a is formed in a color different from the image reflection portion 11 in at least one of hue, saturation, and lightness. Therefore, the reflected light from the opaque layer 10b of the design portion 10 and the reflected light from the image reflection portion 11 in which the design portion 10 is not provided have different colors. Therefore, the shape of the design portion 10 can be clearly visually recognized, and it is possible to attract attention for advertisement and publicity.
  • the opaque layer 10a is preferably formed of a metallic color, and particularly, the degree of light reflection such as metal plating is preferably stronger than that of the non-metallic color. As a result, the light from the projector 2 is strongly reflected and the design portion 10 can be visually recognized clearly.
  • ⁇ Projection mapping operation> An image (computer graphics) that matches the three-dimensional shape of the projection screen body 1a including the design portion 10 is created in advance using a computer and stored in the personal computer 3. Then, the video is transmitted to the projector 2 under the control of the personal computer 3 (see FIG. 1). The image transmitted to the projector 2 is projected from the projector 2 toward the projection screen body 1a.
  • An image projected toward the projection screen body 1a is projected using the image reflection portion 11 formed of an opaque material and the semitransparent layer 10a formed on the surface of the design portion 10 as a screen.
  • the projected images here have various elaborate effects. For example, an effect that makes the design part 10 appear to radiate light in all directions, an effect that makes the center part of the design part 10 suddenly raise smoke, or whether the design part 10 is covered with snow.
  • the effect of showing like, or the characters of the design part 10 are three-dimensionally raised to change the color and gloss, and further the effect of making them appear to move while deforming, the characters of the design part 10 are attached.
  • Raindrops flow through the window glass, and an effect that makes you feel as if you are looking at the night view of the city through the window glass, such as an effect that matches the shape of the design section 10 or uses the shape of the design section 10 is projected. It has been applied to the video.
  • the image projected on the projection screen body 1a is statically and/or dynamically superimposed on the shape of the design portion 10, and the design signature portion 1 has an unprecedented design characteristic. Therefore, the person who sees the designable signature portion 1 can make a strong impression on the design portion 10 by floating the story on his mind. The details will be described below.
  • FIG. 3 shows how the designable sign portion 1 (projection screen body 1a) including the design portion 10 is viewed by ambient light (natural light or facility lighting, etc.) other than the projector 2 and how it is viewed by the projector 2. It is an explanatory view explaining.
  • FIG. 3A is a monochrome photographic diagram showing how the projector 2 is turned off and only the ambient light is visible.
  • the letters “DAIKAN” and the corrugated design which are the three-dimensional design portion 10 having a thickness, show that the color (reflected light) of the opaque layer 10b on the back surface is the semi-transparent layer 10a on the front surface. It diffuses and appears three-dimensionally as if the semi-transparent layer 10a is colored with the color of the opaque layer 10b.
  • FIG. 3B to 3J show a state in which the environment light is dropped and the image is projected by the projector 2 to produce various effects.
  • FIG. 3B is an example in which a three-dimensional plane image that looks like a metal plate with a chamfered curved edge is projected.
  • the design portion 10 looks like a metal having an R on the edge of the character even though the edge of the character does not have an R and the shape is like that of a cut flat plate.
  • the shade of the opaque layer 10b does not appear on the surface, and it looks as if the design portion 10 of the color of the image exists from the beginning. This is because the image light of the projector 2 is well reflected by the semitransparent layer 10a. As a result, people can visually recognize the design portion 10 as if there is a sign that is different from the ambient light.
  • FIG. 3C an image of a city is projected on the image reflection unit 11, and a color as a sign is projected along the shape of the design unit 10 so that the design unit 10 can be seen three-dimensionally as it is.
  • This is an example in which an image of a water drop is projected over the portion 10.
  • the city can be seen on the other side of the glass, and a three-dimensional glowing sign is provided on the glass, and it is possible to create an effect in which water drops hit the glass and drip.
  • FIG. 3D is an example in which a picture of a cheetah is displayed across the video reflection section 11 and the design section 10. Since the cheetah's body surface may have a pattern of light and shade, it is possible to show an image as if the design portion 10 did not exist. This is realized by concentrating light to the same extent as the image reflection portion 11 by the semitransparent layer 10a (including the opaque layer 10b) of the design portion 10.
  • the image starts from the visual recognition state (see FIG. 3A) as a sign of the projector 2 without projection, and changes to a bright sign with projection by the projector 2. It is an example showing a moving image.
  • an image is projected in the vicinity of the center of the design part 10 and no image is projected in the periphery thereof.
  • the image may be such that the light from the projector 2 is not emitted to the surroundings at all, but it may be configured to project light similar to ambient light, such as white light of 50% or less (preferably 30% or less). Good. In this way, the image appears by shining light on the center of the sign that can be seen in ambient light.
  • the image projected by the projector 2 spreads to more than half of the design portion 10 as shown in FIG. 3(F), and further spreads to the entire design portion 10 and its vicinity as shown in FIG. 3(G). ..
  • the design unit 10 is a single color (in this example, two object groups of DAIKAN characters and possible wavy lines) in object group units.
  • the DAIKAN object group is white, and the wavy object group is light blue) and light of the same brightness is applied. Therefore, the effect of light is moved from the center to the side, and the sign is made to appear from the center.
  • the design portion 10 in the sign state is visually recognized as if it were raised in front by the thickness of the design portion 10, and is visually recognized as a three-dimensional signature.
  • the design portion 10 is partially provided on the projection surface side of the projection screen body 1a and formed into a shape representing a character, a figure, or a pattern, and one surface of the received light is received. It has a semi-transparent layer 10a that diffusely reflects a portion and transmits the rest. Therefore, the design portion 10 functions as a screen having a predetermined outer shape. As a result, even when the image is not projected from the projector 2 (image projection unit), the design unit 10 exerts the advertising and advertising function as the designability sign unit 1, and when the image is further projected, the projection screen is displayed on the design unit 10.
  • the designable signature portion 1 including the body 1a exerts an advertisement and advertising function. Therefore, it is possible to carry out a variety of design expressions using images, and also to carry out advertisements and advertisements that have an impressive impression.
  • the semi-transparent layer 10a is a layer formed by subjecting the surface of the light-transmitting body to light scattering reaction such as frosting, graining, or non-glare processing so that light is diffusely reflected on the surface. Therefore, the reflection is unlikely to occur. Further, the light reflected from the semi-transparent layer 10a is soft and can give a high-class feeling.
  • An opaque layer 10b is formed on the back surface of the design portion 10 to reflect the remaining light that has passed through the semitransparent layer 10a on the front surface.
  • the opaque layer 10b is formed in a color different from the image reflection portion 11 forming the projection screen body 1a in at least one of hue, saturation, and lightness. Therefore, the design portion 10 can be made conspicuous from the image reflection portion 11, and the advertising and advertising effects can be enhanced.
  • the projection screen body 1a and the design unit 10 are arranged on the wall surface, ceiling surface, floor surface, entrance, or exit of a facility used by a person, or in the vicinity thereof, a person who passes or stops near the arranged position is designed by a person.
  • the size is such that the character, figure, or shape representing the pattern represented by the section 10 can be clearly recognized. Therefore, it is easily noticeable. In addition, it reminds us of a scene that appears on the screen of a movie, and makes people feel a high level of entertainment that is not found in simple advertising billboards.
  • FIG. 4 is an explanatory diagram of the designable signature system 102 of the second embodiment.
  • the designability sign system 102 of the second embodiment includes a designability light emitting device 1X as a designability sign portion, a projector 2 as an image projecting portion, a light emission state by the designability light emitting device 1X, and an image projection state by the projector 2.
  • the personal computer 3 is provided as a control unit for controlling the.
  • the designable light emitting device 1X is an LED signboard or the like that is placed in front of the building by a store or the like so that it can be seen by passers-by for advertisement or publicity.
  • the designable light emitting device 1X includes a three-dimensional light-diffusing design portion 20 (corresponding to the “design portion 10” in the first embodiment) that diffuses light from the built-in LED light source.
  • the light diffusion design portion 20 when viewed from the front, is formed in a shape that represents a character “DAIKAN” and a lateral line-shaped figure below the character that imitates a “wave shape”.
  • the relationship between the surface of the light diffusion design portion 20 and the surface of the housing 21 that are parallel to each other is the same as the relationship between the surface 15 of the object 14 and the image reflection portion 11 in the first embodiment. can do.
  • the shape of the peripheral surface and the corners of the light diffusion design portion 20 can be the same as the shape of the peripheral surface 16 and the corner portions 17 of the object 14 of the first embodiment.
  • the designable light emitting device 1X is connected to the personal computer 3 by the light emission control cable 5, and the personal computer 3 controls on/off and dimming of the LED light source incorporated in the designable light emitting device 1X.
  • the personal computer 3 is also connected to the projector 2 via a video/audio control cable 4.
  • the personal computer 3 sends an image (computer graphics) matching the three-dimensional shape of the designable light emitting device 1X including the light diffusing design portion 20 created in advance by using a computer to the projector 2 via the video/audio control cable 4. Control to transmit.
  • the projector 2 is installed on the front side of the designable light emitting device 1X so as to be spaced apart from each other, and an image (computer which matches the three-dimensional shape of the designable light emitting device 1X including the light diffusing design portion 20 is used as a screen with the designable light emitting device 1X as a screen. Graphics). That is, the designable light emitting device 1X is the projection screen body 1b, and reflects the image projected from the projector 2 so as to be visible.
  • FIG. 5 is an explanatory diagram of a front view of the designable sign portion 1 (designable light emitting device 1X) of the second embodiment.
  • FIG. 6A is an explanatory view of the designable sign portion 1 (designable light emitting device 1X) taken along the line AA in FIG. 5, and FIG. 6B is a designable sign portion 1 (designable light emitting device). It is explanatory drawing by the partially expanded sectional view of 1X).
  • the designable light emitting device 1X includes a housing 21 having a light diffusion design portion 20 formed in a shape that represents a character and the like in a front view, and an opening along the shape of the light diffusion design portion 20 (image of Example 1). (Corresponding to the reflector 11).
  • the LED light guide plate 22 is provided on the back surface side of the light diffusion design portion 20, and the LED module 23 is provided on one end face of the LED light guide plate 22. It is supported.
  • the housing 21 is made of an opaque material, and in this example, an aluminum material is used.
  • the housing 21 has a flat plate shape, but may have a three-dimensional shape.
  • the surface of the housing 21 may be processed by embossing. Thereby, reflection of incident light can be reduced.
  • the light incident on the textured surface is diffused and emitted as soft light, a high-class feeling can be obtained.
  • the light diffusion design section 20 (transparent body) is made of a transparent material, and in this example, an acrylic material is used.
  • the thickness of the acrylic material is preferably 10 mm or less in terms of transparency, 1 mm or more in terms of strength, and 2 to 4 mm is practical and preferable.
  • the light diffusion design portion 20 has a semitransparent layer 20a on the surface.
  • the semi-transparent layer 20a is formed by subjecting the surface of the light-diffusing design portion 20 to a treatment by graining or frosting. Therefore, the semitransparent layer 20a is a layer having fine irregularities on the surface and is a very thin layer.
  • the surface roughness of the semitransparent layer 20a thus formed is preferably Ra3 to 20 microns.
  • the semitransparent layer 20a on the surface of the light diffusion design portion 20 can diffuse incident light and convert it into soft light for emission, which can give a high-class feeling. Further, since the semitransparent layer 20a can suppress the transmission of incident light, it can be used as a screen for displaying an image or the like.
  • the light diffusion design portion 20 may be colored on the back surface, or may be provided with a gradation that continuously changes the color with respect to the position.
  • the LED light guide plate 22 is provided on the back surface side of the light diffusion design portion 20.
  • the LED light guide plate 22 has a light guide plate body 22a, a diffusion sheet 22b attached to the front surface of the light guide plate body 22a, and a reflection sheet 22c attached to the back surface of the light guide plate body 22a.
  • the light guide plate body 22a is made of a transparent acrylic material.
  • the thickness of the light guide plate body 22a is preferably 2 to 8 mm, more preferably 5 mm.
  • the back surface of the light guide plate body 22a has dots and V grooves formed by laser processing.
  • the reflection sheet 22c attached to the back surface of the light guide plate body 22a has a thickness of 1 mm in this example.
  • the diffusion sheet 22b attached to the surface of the light guide plate body 22a is a milk half plate having a thickness of 2 mm in this example, and diffuses incident light to uniformly emit light on the surface.
  • the LED light guide plate 22 is arranged so that the diffusion sheet 22b faces the back surface of the light diffusion design portion 20.
  • the LED light guide plate 22 covers at least the entire back surface of the light diffusion design portion 20.
  • the LED module 23 is provided on one end face of the LED light guide plate 22, which is the upper end face in this example.
  • the LED module 23 may be provided on any of the left, right, upper, and lower end surfaces of the LED light guide plate 22, or a plurality of LED modules may be provided.
  • the plurality of LED light sources 23 a are elongated along the upper end surface of the LED light guide plate 22, and the surface facing the upper end surface of the LED light guide plate 22 is open, and the cross section is U-shaped or U-shaped. Is provided in the reflector 23b.
  • the plurality of LED light sources 23 a are arranged in a row at substantially equal intervals along the upper end surface of the LED light guide plate 22, and the light emitting surface is arranged in a direction facing the upper end surface of the LED light guide plate 22.
  • An AC adapter (not shown) with a control terminal is connected to the LED module 23 so that DC power can be supplied. Further, a light emission control cable 5 is connected to a control terminal of an AC adapter (not shown) so that the personal computer 3 can control on/off and dimming of the LED light source 23a.
  • the LED light source 23 a emits light under the control of the personal computer 3.
  • the light emitted by the LED light source 23a enters the light guide plate body 22a from the upper end surface of the LED light guide plate 22 (see FIG. 6B).
  • the light that has entered the light guide plate body 22a spreads inside the light guide plate body 22a while repeating surface reflection and scattering by dots and V grooves.
  • the light that has spread inside the light guide plate body 22a is diffused by the diffusion sheet 22b, resulting in uniform surface emission.
  • the light that has become uniform surface emission enters from the back surface of the light diffusion design portion 20 facing the diffusion sheet 22b and travels toward the surface of the light diffusion design portion 20.
  • the uniform surface-emitting light that has reached the surface of the light diffusion design portion 20 is diffused by the semitransparent layer 20 a to become soft light and is emitted from the light diffusion design portion 20.
  • ⁇ Projection mapping operation> The light emission from the LED light source 23a is stopped by the control of the personal computer 3.
  • An image (computer graphics) suitable for the three-dimensional shape of the designable light emitting device 1X (projection screen body 1b) including the light diffusing design portion 20 previously created using a computer and stored in the personal computer 3 is It is transmitted to the projector 2 under control (see FIG. 4).
  • the image (computer graphics) transmitted to the projector 2 is projected from the projector 2 toward the designable light emitting device 1X.
  • the image (computer graphics) projected toward the designable light emitting device 1X has its surface covered with a housing 21 formed of an opaque material and a light diffusion design portion 20 having a semitransparent layer 20a on the surface.
  • the surface of the designable light emitting device 1X serves as a screen and is projected onto the designable light emitting device 1X.
  • FIG. 7 is an explanatory diagram for explaining the appearance of the designable light emitting device 1X (projection screen body 1b) including the light diffusing design portion 20 due to the light emission of the LED light source 23a and the appearance at the time of rendering by the projector 2.
  • FIG. 7A shows a monochrome photograph when white light is projected from the projector 2 over the entire projection range. As shown in the photograph, it can be seen that the surface of the light diffusion design portion 20 projects toward the front side of the surface of the housing 21, but since the light diffusion design portion 20 has the same color as the housing 21, It will be inconspicuous.
  • FIG. 7(B) shows how the projector 2 looks when an image is projected across both the light diffusion design portion 20 and the housing 21. As shown in the figure, although the presence of the light diffusion design portion 20 can be seen, it is not so conspicuous and can be rendered as an image.
  • FIG. 7C shows how the projector 2 looks when different images or lights are projected on the light diffusion design unit 20 and the housing 21, respectively.
  • the light diffusion design portion 20 is clearly visible like a glowing sign, and a video (image) different from the light diffusion design portion 20 is projected on the housing 21.
  • the light diffusion design portion 20 is provided as a light emitting sign on the patterned wall, and a spotlight is lit in the center of the light diffusion design portion 20 so that the pattern on the wall around the light diffusion design portion 20 can be seen. Becomes
  • FIG. 7D shows a state in which the light is turned off without being projected from the projector 2 and the LED light source 23a (see FIG. 6) is caused to emit light so that the light diffusion design portion 20 is visually recognized as a light emission sign.
  • the light diffusion design portion 20 can directly emit light and emit light brightly so as to be clearly visible even from a distance.
  • the light diffusion design portion 20 has the semitransparent layer 20a on the front surface side. Therefore, the light emitted by the LED light source 23a passes through the semitransparent layer 20a and is emitted from the light diffusion design portion 20. In this way, the light emitted through the semitransparent layer 20a is not only bright, but also has a high-class feeling. Further, the light emitted by the LED light source 23a is diffused when passing through the semitransparent layer 20a, and is emitted as soft light.
  • the semi-transparent layer 20a on the surface side of the light diffusion design portion 20 does not transmit all the light, but has a directivity and a reflectance suitable for a screen displaying an image. Therefore, the semitransparent layer 20a of the light diffusion design portion 20 can exert a function as a screen during projection mapping.
  • the semitransparent layer 20a is a very thin layer formed on the surface of the light diffusion design portion 20. Therefore, when used as a screen, blurring of the image is unlikely to occur in the depth direction.
  • the semi-transparent layer 20a is formed by subjecting the surface of the light-diffusing design portion 20 to a treatment such as graining, frosting, or non-glare processing. Therefore, the semitransparent layer 20a is a layer having fine irregularities, and moreover, the corners of the irregularities are rounded. Thereby, the light emitted from the LED light source 23a is likely to be uniformly diffused in the semitransparent layer 20a in all directions, and the light emitted from the light diffusion design portion 20 has no piercing.
  • the semi-transparent layer 20a when such a semi-transparent layer 20a is used as a screen for projection mapping, the semi-transparent layer 20a does not locally exhibit peculiar directivity and reflectance, and thus the surface of the light diffusion design portion 20 The image projected on is homogeneous over the entire surface. Further, by adjusting the transmissivity of the semi-transparent layer 20a, it is possible to make the image transparently visible in the space of the light diffusion design portion 20, and to create a mysterious and fantastic atmosphere.
  • the invention of the present application can be used in the industry of lighting signs and lighting advertisements for store names and logos.
  • Design signature parts 1a, 1b... Projection screen body 1X... Design light emitting device 2... Projector 3... Personal computer 10... Design part 10a... Translucent layer 10b... Opaque layer 11... Image reflection part 20... Light diffusion design part 20a ...Translucent layer 21...Case 22...LED light guide plate 23...LED module 23a...LED light sources 101, 102...Design signature system

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Projection Apparatus (AREA)

Abstract

L'invention concerne un système de signalisation ayant un aspect esthétique qui peut apparaître luxueux. L'invention concerne un système de signalisation 101 comprenant: une unité de projection d'image 2 qui projette une image constituée d'une image fixe et/ou d'une image animée; un corps 1a d'écran de projection qui réfléchit et projette de manière visible l'image projetée par l'unité de projection d'image 2; et une unité de conception 10 qui est disposée partiellement sur un côté surface de projection du corps 1a d'écran de projection et qui est formée de manière à avoir une forme représentant des caractères, des objets ou un motif. L'unité de conception 10 comporte: une couche semi-transparente 10a qui diffuse et réfléchit une partie de la lumière reçue sur le côté surface et transmet la lumière restante et une couche non transparente 10b qui réfléchit la lumière restante ayant été transmise vers le côté de surface arrière.
PCT/JP2019/045674 2018-12-11 2019-11-21 Système de signalisation WO2020121773A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-231394 2018-12-11
JP2018231394A JP2020095108A (ja) 2018-12-11 2018-12-11 意匠性サインシステム

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WO2020121773A1 true WO2020121773A1 (fr) 2020-06-18

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5466799A (en) * 1977-11-07 1979-05-29 Toyota Motor Co Ltd Display unit
WO2007105721A1 (fr) * 2006-03-13 2007-09-20 Dai Nippon Printing Co., Ltd. Element de diffusion optique, ecran de projection, element de conception et support de securite
JP2008020916A (ja) * 2006-07-13 2008-01-31 Hae Yong Choi ブランド形状の映像広告装置
US20080174865A1 (en) * 2007-01-18 2008-07-24 Stewart Grant W Projection screen with digitally printed overscan border
JP2008191676A (ja) * 2008-02-25 2008-08-21 Seiko Epson Corp 画像表示用スクリーン
JP2014194460A (ja) * 2013-03-28 2014-10-09 Dainippon Printing Co Ltd 不透明板、表示板、及び表示システム

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5466799A (en) * 1977-11-07 1979-05-29 Toyota Motor Co Ltd Display unit
WO2007105721A1 (fr) * 2006-03-13 2007-09-20 Dai Nippon Printing Co., Ltd. Element de diffusion optique, ecran de projection, element de conception et support de securite
JP2008020916A (ja) * 2006-07-13 2008-01-31 Hae Yong Choi ブランド形状の映像広告装置
US20080174865A1 (en) * 2007-01-18 2008-07-24 Stewart Grant W Projection screen with digitally printed overscan border
JP2008191676A (ja) * 2008-02-25 2008-08-21 Seiko Epson Corp 画像表示用スクリーン
JP2014194460A (ja) * 2013-03-28 2014-10-09 Dainippon Printing Co Ltd 不透明板、表示板、及び表示システム

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