KR20080087676A - Image display system and method, and screen device - Google Patents

Abstract

An image display system, an image display method, and a screen device are provided to display an image without any influences of a person or an object blocking the image from a screen. An image display system includes projectors(PJ1,PJ2) and a screen(100). The projectors project image on the screen from both sides of the screen. The screen displays the image projected from the projectors and includes optical diffusion units(110) such as films having light transmission and diffusion properties. A first optical diffusion unit of the optical diffusion units transmits the image to diffuse to the second optical diffusion unit.

Description

Image display system, image display method and screen device {IMAGE DISPLAY SYSTEM AND METHOD, AND SCREEN DEVICE}

The present invention relates to an image display system for displaying an image using a projector, an image display method, and a screen device for use in an image display system.

A projector, which is a projection type image display device, is indispensable for a screen for reproducing a projected image. As a method of classifying a screen for displaying a projected image of a projector, a hard screen that is hard to be damaged and a soft screen that is convenient for storing and moving, and a front projection type according to the projection direction of the projector There is a classification method called a screen of a -projection type and a screen of a rear-projection type.

Even when using any screen, the presence of the screen inhibits the movement of a person or the like, or restricts the viewing direction. For this reason, the image display system which combined the projector and the screen is mainly used in limited places, such as a conference room and a movie theater.

On the other hand, screens, such as a "fog screen" and a "white smoke screen", exist in recent years (for example, refer patent document 1, patent document 2).

The technique disclosed in Patent Document 1 (called the first conventional technique) forms a screen (fog screen) by uniformly generating fog, and displays an image projected from an image projector such as a projector on the formed fog screen. It is. According to such a fog screen, movement of a person or the like is not impeded, and it is also possible for a person to enter, place an object, or allow a person to exit the screen.

Therefore, by forming such a fog screen in a passageway of an airport, a station, a hospital, a shopping mall, or the like, for example, the fog screen can be used as a guide display board for displaying a road guidance to a destination or displaying various information, By using it for an event, a show, etc., it can function as an apparatus for obtaining the unprecedented directing effect, and can construct a new image display system which combined a fog screen and a projector.

In addition, the technique disclosed in Patent Document 2 (called a second conventional technique) forms a screen (white smoke screen) by generating white smoke, and displays the image projected from an image projector such as a projector onto the formed white smoke screen. To display. Such a white smoke screen is also oriental with a fog screen, and since a person can enter or leave an object in a screen, and a person can leave the screen, it is possible to use a fog screen and an oriental.

Patent document 1: Unexamined-Japanese-Patent No. 4-287032

Patent Document 2: Japanese Patent Laid-Open No. 7-56235

However, in the case where the fog screen and the white smoke screen are provided, for example, in a passage or the like, if a person or an object exists between an image projection apparatus such as a projector and the screen, the person or an object blocks incident light, There is a problem that a shadow of a person or an object is created so that no one else can see the image.

An object of the present invention is to provide an image display system, an image display method, and a screen device for use in the image display system that can display an image without being affected by the presence of a person or an object.

(1) An image display system of the present invention includes a projector; A screen device for displaying a projected image projected from the projector, the screen device having a plurality of light diffusing means having light transmittance for transmitting light and light diffusing property for diffusing light, and among the plurality of light diffusing means The projection image transmitted by the first light diffusing means is diffused to the second light diffusing means.

Since the image display system of the present invention has a plurality of light diffusing means, and each light diffusing means has light transmittance and light diffusing property, the projection image from each projector can display an image in each light diffusing means. . For this reason, even when a person enters or puts an object on the screen device, the image is displayed by any light diffusing means, so that a person near the screen device is not affected by the presence of a person or object in the screen device. You can see the projected image.

(2) In the image display system according to the above (1), the projector is preferably arranged in a plurality so as to project an image from different directions with respect to the screen device.

In this way, since the plurality of projectors project images from different directions, even if the projection image from one projector is blocked by a person or the like, the projection image from another projector is displayed. Thus, even when a person enters the screen device, for example, the projection image can be displayed without being affected by the presence of the person in the screen device.

(3) In the image display system described in (2) above, when the projector is provided opposite to one side and the other side with the screen device therebetween, the projector installed on the other side is the projector on the one side. It is preferable to project a mirror image of the projected image projected from.

In this way, the projector installed on the other side projects that the projected image from the projector on one side is projected, for example, that the projection image from the projector on one side is blocked by the presence of a person inside the screen device. Even if the other projector is projecting the image of the projected image projected from one projector, not only the person entering the screen device but also the surrounding people can read the information displayed on the screen device.

(4) In the image display system according to any one of the above (1) to (3), the light diffusing means preferably uses a cloth having a material which can be shaken by an external force. .

Since the light diffusing means is made of a soft cloth, it is easy for a person or the like to enter between the light diffusing means and the light diffusing means or to place an object between the light diffusing means and the light diffusing means. In addition, as a material having light transmittance that transmits light and light diffusivity that diffuses light, and having a condition of being able to oscillate when an external force is applied, ultrafine fibers having 7 denier or less are used. Ultra-thin fibers are present.

(5) In the image display system according to any one of (1) to (4), it is preferable that the light diffusing means has at least one slit.

By having each light diffusing means have a slit, a person can exit the screen device along the projection direction of the projector. Thereby, the image display system of this invention can be provided, for example in the passage in a building, etc., and also the usage which displays the display of road guidance and various information is also possible.

(6) The image display system according to any one of (1) to (5), wherein the light diffusing means is arranged such that the light transmitting surface and the light diffusing surface of adjacent light diffusing means face each other along the projection direction of the projector. It is preferable to arrange.

This shows an example of a method of arranging the light diffusing means, and in the case where the light diffusing means is a flat film, for example, the light diffusing means are linearly arranged so that the respective film faces of the light diffusing means face each other. By arranging a plurality of light diffusing means in this way and projecting an image from the projector, the image projected from the projector is displayed in each of the plurality of light diffusing means arranged along the projection direction of the projector.

(7) The image display system according to any one of (1) to (5), wherein the light diffusing means is arranged to form a plurality of loops when the screen apparatus is viewed from above, It is also preferred that a plurality of loops be arranged to form a plurality of layers.

This also shows an example of a method of arranging the light diffusing means. By arranging the light diffusing means in this way, a three-dimensional screen device can be constructed, and projecting an image by such a projector from various angles on such a screen device. As a result, a three-dimensional image can be expressed.

(8) In the image display system described in (7), the loop is preferably circular.

By arranging the light diffusing means in this way, a screen device having a cylindrical appearance can be constructed. By projecting an image on the screen device constructed by the projector from various angles, a three-dimensional image can be expressed, and a method of displaying an image different from a conventional flat screen device is possible.

(9) In the image display system according to (7), the loop is preferably a polygon.

By arranging the light diffusing means in this way, it is possible to construct a screen device having an appearance of polygonal prism shape. By projecting an image by the projector from various angles on the screen device constructed as described above, a three-dimensional image can be expressed in the same manner as a cylindrical screen device, and a display method of an image different from a conventional flat screen device is provided. It becomes possible.

(10) The image display system according to any one of (1) to (5), wherein the light diffusing means is arranged in a lattice shape when the screen device is viewed from above. system.

By arranging the light diffusing means in this way, it is also possible to install the projectors on all sides, for example, surrounding the screen device, and to project an image onto the four sides of the screen device. This makes it possible to express an image different from the conventional planar screen device, and also to display an image different from the cylindrical screen device and the polygonal prism screen device.

(11) The image display method of the present invention has a plurality of light diffusing means having light transmittance which transmits light and light diffusivity which diffuses light, and which is transmitted by a first light diffusing means among the plurality of light diffusing means. And displaying the projected image on a screen device that spreads the projected image by a second light diffusing means.

By performing an image display by such a method, an effect similar to the image display system as described in said (1) can be acquired. Moreover, also in the image display method of this invention, it is preferable to have an oriental characteristic with the image display system as described in said (2)-(10).

(12) The screen device of the present invention is a screen device for displaying a projected image projected from a projector, the screen device having a plurality of light diffusing means having light transmittance that transmits light and light diffusivity that diffuses the light, wherein the plurality of light The diffusing means diffuses the projected image transmitted by the first light diffusing means to the second light diffusing means.

The image display system as described in said (1) can be comprised by combining the screen apparatus which has such a structure, and several projector. Moreover, also in the screen apparatus of this invention, it is preferable to have a characteristic characteristic with the image display system as described in said (2)-(10).

According to the present invention, it is possible to provide an image display system, an image display method, and a screen device for use in the image display system that can display an image without being affected by the presence of a person or an object.

EMBODIMENT OF THE INVENTION Hereinafter, embodiment of this invention is described.

Embodiment 1

1 is a diagram schematically showing a configuration of an image display system according to a first embodiment. In the image display system according to the first embodiment, the films 101, 101, ... as light diffusing means, and each film surface 101a of the films 101, 101, ... are in the x-axis direction in FIG. The screen device 100 having the support device 110 which faces each other at a predetermined interval, and projects the images onto the screen device 100 from different directions, and each film surface 101a of the films 101, 101,... Has at least one projector (PJ1, PJ2 in the first embodiment) for displaying an image.

The films 101 and 101 have a property of transmitting light (referred to as light transmittance) and a property of diffusing light (referred to light diffusivity) and are made of a thin soft cloth. In addition, it is preferable that the films 101, 101, ... have a larger light transmittance than the light diffusion.

Thus, for example, 7 denier or less can satisfy the conditions of light transmittance that transmits light and light diffusivity that diffuses light, which is thin and soft, and which has a larger light transmittance than the light diffusivity. Ultra-thin fibers using ultra microfibers exist. Moreover, the ultra-thin fiber called super organza can be illustrated as an ultra-thin fiber which used the ultrafine yarn of 7 denier or less.

The supporting device 110 is provided between two frames 111 and 112 provided along the projection direction of the projector, and a plurality of hangings hanging between the frames 111 and 112 and suspending the films 101, 101,... ) Members 113, 113,... In addition, the support apparatus 110 is not limited to the structure shown in FIG. 1, The thing of various structures can be used by the place etc. which install the image display system of this invention.

The films 101, 101, ... are only suspended from the hanging members 113, 113, ... like a curtain, and the tension in at least the vertical direction (the z-axis direction shown) is Not hanging In addition, each of the membrane surfaces 101a of the membranes 101, 101,... Is suspended so as not to have a large "wrinkle" or the like in the transverse direction (y-axis direction in FIG. 1). It is preferable to hang from (...).

In this way, the screen device 100 has a film 101, 101... Just hanging from a hanging member 113, 113,. Because it is a cloth, people can enter or place objects between them.

In addition, one of the projectors PJ1 and PJ2 (called as projector PJ1) is set to perform projection in the front projection mode. The other projector (referred to as projector PJ2) is set to perform projection in the rear projection mode. In other words, it is assumed that the image of the projection image projected by the projector PJ1 is projected from the projector PJ2.

In the image display system according to each embodiment of the present invention, although the two projectors PJ1 and PJ2 are set to project the same information, it is also possible to display other information. The setting of the projection modes of the projectors PJ1 and PJ2 and the setting of what information is displayed can be set in advance by the manager of the image display system of the present invention.

2 is a diagram schematically showing the configuration of optical systems of projectors PJ1 and PJ2. As shown in FIG. 2, the projectors PJ1 and PJ2 have a light source device 10 having a light source 11, a lens array 12, and a superimposed lens 13, and a color light different from the red light. The first dichroic mirror 21, which is separated into the second dichroic mirror 21, The second dichroic mirror 22, which separates the other color light separated from the first dichroic mirror 21 into green light and blue light, and red light Optical modulator (liquid crystal panel) 23R for modulating the light, optical modulator (liquid crystal panel) 23G for modulating green light, optical modulator (liquid crystal panel) 23b for modulating blue light, first dichroic mirror A relay lens which guides the red light passing through the 21 to the light modulation element 23R and the blue light passing through the second dichroic mirror 22 to the light modulation element 23b. cross dichroic prism for synthesizing light modulated by the lenses 25 and 26 and the reflection mirrors 27 and 28 and the optical modulation elements 23R, 23G and 23b. 29) and an incident optical system 30 for projecting the image light synthesized by the cross dichroic prism 29.

In addition, each optical modulator 23R, 23G, 23b is not limited to the optical modulator using a liquid crystal, The micromodular optical modulator may be used.

FIG. 3 is a diagram schematically showing the configuration of the image display system according to the first embodiment, specifically, the relationship between the films 101, 101, ... of the screen device 100 shown in FIG. 1 and the projectors PJ1, PJ2. It represents. 3A is a perspective view of the image display system which concerns on Embodiment 1, FIG. 3B is a top view which looked at the image display system which concerns on Embodiment 1 from FIG. 3, and illustration of the support apparatus 110 is abbreviate | omitted in FIG.

As shown in FIG. 3, the screen apparatus 100 used in the image display system which concerns on Embodiment 1 is made so that each film surface 101a of the film | membrane 101, 101, ... may oppose. ...) is arranged. In addition, the space | interval of each membrane surface 101a shall be provided in substantially the same space | interval (for example, the interval of about several tens of centimeters), and each membrane surface 101a is provided in parallel.

4 is a diagram schematically showing a state where projection is performed on the screen device 100 by two projectors PJ1 and PJ2. As shown in Fig. 4, the projector PJ1 performs projection in the front projection mode, and the projector PJ2 performs projection in the rear projection mode. In Fig. 4, for example, an image called "A, B, C ..." is projected from the projector PJ1 in the front projection mode, and similarly "A, B, C ..." in the projector PJ2. Is projected by the rear projection mode.

At this time, the image projected from the projector PJ1 and the image projected from the projector PJ2 are set so that their respective display positions coincide on each film surface 101a. For this reason, when viewed from the projector PJ1 side, the images "A, B, C ..." are displayed in the direction of the correct characters.

 Since the films 101, 101, ... have light transmittance and light diffusivity, and the light transmittance is higher than the light diffusivity, the images projected from the projectors PJ1 and PJ2 are not shown. Is transmitted on each film surface 101a of the film) and is displayed on each film surface 101a of the films 101, 101,.

In addition, the image projected from the projector PJ1 and the image projected from the projector PJ2 are clearly displayed as the film closer to each of the projectors PJ1 and PJ2, and the more distant from the projector PJ1 and PJ2, the greater the degree of clarity of display. Although the number of films is about 5 sheets as in the image display system according to the first embodiment, even if the images are displayed on the films at the position furthest from each of the projectors PJ1 and PJ2, they have a degree of clarity that is sufficiently visible.

By constructing an image display system using such a screen device 100, the images projected onto the screen device 100 by the projectors PJ1 and PJ2 are each film surface 101a of the films 101, 101,... Is displayed as shown in FIG. Therefore, in the image display system shown in FIG. 4, even if a person enters the screen device 100 (between the film and the film), even if it enters the state which interrupts the incident light from the projector PJ1, for example, from the projector PJ2 Since the projection image is displayed by the rear projection mode, a person contained in the screen apparatus 100 can see the image displayed on the screen apparatus 100. In addition, not only people entering the screen device 100 but also people around the screen device 100 can see the image displayed on the screen device 100.

In addition, in the image display system of the present invention, since a person can enter the screen device 100, light from the light sources of the projectors PJ1 and PJ2 may enter the human eye, but a person may enter the screen device 100. When it enters, incident light is irradiated to a person through the films 101, 101, ..., so that the effect on the eyes is greatly reduced as compared with the case where the light of the light sources of the projectors PJ1 and PJ2 directly enters the eyes.

Moreover, in order to make the effect on a human eye smaller, it is preferable to install projector PJ1, PJ2 in the position sufficiently higher than the eyes of a general person as shown in FIG. By installing the projectors PJ1 and PJ2 at the positions as shown in Fig. 5, it is possible to prevent the light of the light sources of the projectors PJ1 and PJ2 from directly entering the human eye. In addition, it is oriental in the other embodiment mentioned later that it is preferable to provide projector PJ1, PJ2 in the position like FIG.

By setting it as the image display system which concerns on Embodiment 1, since a person can enter or put things in the screen apparatus 100, for example, in various event venues, show venues, show rooms, restaurants, etc. Various productions can be performed by combining images, and a new image display system can be constructed. In particular, since the projected image from the projector is displayed in a state having a depth in a plurality of films, moving images of natural phenomena such as flames and water become more realistic. Moreover, display of character information etc. can also be performed effectively.

6 is a diagram illustrating a usage example (part 1) of the image display system according to the first embodiment. FIG. 6 shows an example of projecting a moving picture of a wave onto the screen device 100 from a projector (not shown in FIG. 6), and FIG. 6B illustrates an example of projecting a moving picture of flame to the screen device 100 from a projector. As shown in Figs. 6A and 6B, moving images of waves and flames projected from the projector are displayed on the plurality of films 101, 101, ..., so as to produce a realistic image with a high depth of texture.

7 is a diagram showing a usage example (part 2) of the image display system according to the first embodiment. FIG. 7 is a diagram illustrating an example in which an image display system according to Embodiment 1d is used for a restaurant, a tea house, and the like. FIG. 7 is a place where the customer 301 and the sales clerk 302 face each other, for example, a plurality of films 101, 101, ... on the counter 303 (two films in the example of FIG. 7). The case is suspended from the ceiling. Thus, Fig. 7 is an example in which two films 101 and 101 are used as a display plate of a menu, and an image indicating items of a menu or the like is projected by a projector (not shown in Fig. 7).

In the case where the image display system according to Embodiment 1 is used as shown in FIG. 7, the films 101 and 101 are thin and soft cloths, and the degree of see-through is high, so that the customer 301 or the clerk It is possible to create a new atmosphere different from the conventional one without putting pressure on the 302. Also in this case, since there are a plurality of films (two in FIG. 7), even if a person (the clerk 302 in the example of FIG. 7) enters between the films, the menu can be viewed from various directions within the store. In FIG. 7, the image projected at the position farthest from the customer 301 is an image in which the image transmitted through the second film 101 is displayed on the wall 304.

As described above, the image display system according to the first embodiment can construct a new image display system different from before, and is used in various event venues, show venues, show rooms, restaurants, etc. It can be done as a display system. Moreover, when installing the said image display system, since the image display system which concerns on Embodiment 1 is largely unnecessary, it is easy to install at low cost, it is easy to move, etc., and can use it easily in various fields.

Embodiment 2

8 is a diagram schematically illustrating a configuration of an image display system according to the second embodiment. FIG. 8 is a view corresponding to FIG. 3 used in the description of the image display system according to the first embodiment, FIG. 8A is a perspective view, and FIG. 8B is a plan view of the image display system viewed from above. In addition, in FIG. 8, the whole structure containing the support apparatus 110 etc. can be considered as FIG.

The image display system according to the second embodiment includes at least the slit S in the vertical direction (the z-axis direction in FIG. 8) on each film surface 101a of the films 101, 101,... That constitute the screen device 100. One is prepared. In the example shown in FIG. 8, the example in which the two slit S of the up-down direction was provided at equal intervals in each film surface 101a of the film | membrane 101,101 ... is shown. In addition, although the example in which the slit S is provided until it reaches the upper end from the lower end of the film | membrane 101, 101 ... is shown in FIG. 8, it is not necessary to necessarily provide until the upper end reaches.

The image display system according to the second embodiment has the configuration shown in FIG. 8, whereby a person can enter between the film and the film in the same manner as the image display system according to the first embodiment. In addition, in the image display system according to the second embodiment, a person may move along the projection directions (the x-axis direction in FIG. 8) of the projectors PJ1 and PJ2. That is, a person can move the films 101, 101, ... sequentially by the presence of the slit S provided in the films 101, 101, ..., whereby the person can move the screen device 100 to the projector. Can exit along the projection direction of PJ1, PJ2.

As described above, in the image display system according to the second embodiment, since a person can exit the screen device 100 along the projection direction of the projector, in addition to the image display system and the oriental usage method according to the first embodiment, for example, It is also possible to use it in the passage in large-scale buildings such as airports, stations, hospitals, shopping malls, and the like to display road guidance and display various information.

9 is a diagram illustrating an example of use of the image display system according to the second embodiment. 9 is an example in which the image display system according to the second embodiment is provided in a passage in a building of an airport, and the screen device 100 is used as a guide display panel.

By installing the screen device 100 as shown in FIG. 9, the screen device 100 exists in front of the traveling direction of the passer-by, so that the passer-by of the film 101, 101,. The guide display projected on) can be seen with the eyes almost without moving the eyes. In this way, the passenger can easily know the place of his destination without overlooking the guide display. The films 101, 101, ... are thin and soft cloths, and the films 101, 101, ... are provided with slits S, so that they do not interfere with passage.

In addition, since the screen device 100 is composed of a plurality of films 101, 101, ..., and a guide display is projected onto all the films 101, 101, ... Even if it is in the device 100, it is possible to prevent the guide display from being visible at all by a pedestrian in the screen device 100.

Embodiment 3

10 is a diagram schematically illustrating a configuration of an image display system according to the third embodiment. FIG. 10 is a view corresponding to FIG. 3 used in the description of the image display system according to the first embodiment, FIG. 10A is a perspective view, and FIG. 10B is a plan view of the image display system viewed from above. In addition, in FIG. 10, the whole structure containing the support apparatus 110 etc. can be considered as FIG. 1 and Orient.

In the image display system according to the third embodiment, the films 101, 101, ... of the screen apparatus 100 are used in the image display system according to the first and second embodiments. Compared with 101, 101, ..., the width | variety of the horizontal direction (y-axis direction in FIG. 10) is narrow. Then, a narrow film (called a small book-shaped film 101, 101, ...) is randomized in a direction crossing the projection direction and the projection direction of the projectors PJ1 and PJ2. will be.

Specifically, as shown in FIG. 10, the number and spacing of the small book-shaped films 101, 101,... In the direction traversing the projection directions of the projectors PJ1 and PJ2 (the y-axis direction in FIG. 10) are different. The number and spacing of the small book-shaped films 101, 101, ... are also random in the projection directions (the x-axis direction in FIG. 10) of the projectors PJ1 and PJ2.

In addition, when the small book-shaped films 101, 101, ... are randomly arranged as shown in Fig. 10, part of the projection image of the projector is exited from the screen device 100 without being displayed on any film. To prevent discarding, when looking at the screen device 100 along the projection direction of the projector (the x-axis direction in FIG. 10) from one side of the screen device 100, the other side of the screen device 100 is viewed. It is preferable to arrange the small book-shaped films 101, 101, ... so as not to have a large gap therebetween.

Since the screen device of the image display system according to the third embodiment has the configuration as shown in FIG. 10, in the same manner as the image display system according to the second embodiment, a person uses the screen device 100 of the projectors PJ1 and PJ2. You can exit along the projection direction. Further, in the image display system according to the third embodiment, since small book-shaped films 101, 101, ... are randomly arranged, various usages with higher degrees of freedom are possible.

In Fig. 10, the small book-shaped films 101, 101, ... are opposed to the angles of the small book-shaped films 101, 101, ... present in the projection directions of the projectors PJ1, PJ2. An example of the arrangement in which the membrane surfaces 101a are parallel is shown, but the present invention is not limited thereto. For example, any of the opposing membrane surfaces 101a may be parallel to each other, or some opposing membrane surfaces 101a may have some angles. Similarly, arrangement | positioning which the direction of each film surface 101a was also random may be sufficient.

Embodiment 4

11 is a diagram schematically illustrating a configuration of an image display system according to the fourth embodiment. 11 is a plan view of the image display system viewed from above in the same manner as FIG. 3B used in the description of the image display system according to the first embodiment. In addition, in FIG. 11, the whole structure containing the support apparatus 110 etc. can be considered as FIG. 1 and Orient.

The image display system according to the fourth embodiment is a film used in the screen device 100 of the image display system according to the first embodiment as the film used for the screen device 100 (see Fig. 3). ), The films 101, 101, ... (see FIG. 8) provided with the slit S used in the screen device 100 of the image display system according to the second embodiment, and the screen of the image display system according to the embodiment 3 Any of the small book-shaped films 101, 101, ... (see Fig. 10) used in the apparatus 100 may be used, but in Fig. 11, the films 101, 101, ... with slit S are used. The case of using is illustrated.

In the image display system according to the fourth embodiment, when the screen device 100 is viewed from above, as shown in Fig. 11, the films 101, 101, ... are arranged so as to form a plurality of loops, The loop is arranged to form a plurality of layers. In the image display system shown in FIG. 11, the loop is circular, and each circular circle is arrange | positioned sharing a center. In addition, the center of each circular shape may have some shift | offset | difference. In addition, the loop need not be a perfect circle, it may be a somewhat crooked circle, and may be an ellipse rather than a circle.

When the films 101, 101, ... are arranged as shown in Fig. 11, the screen device 100 of the image display system according to the fourth embodiment is constituted by three cylindrical screens that share a central axis. It becomes. In addition, these three cylindrical screens are called 1st cylindrical screen SCR11, 2nd cylindrical screen SCR12, and 3rd cylindrical screen SCR13 from a center side.

The first cylindrical screen SCR11 is composed of two films 101, 101, ..., and the second cylindrical screen SCR12 is composed of three films 101, 101, .... The third cylindrical screen SCR13 is composed of four films 101, 101, ....

In addition, the number of films constituting the first to third cylindrical screens SCR11 to SCR13 is not limited to the example of FIG. 11, and may be appropriately changed according to the scale of the entire screen device 100. In addition, it is not essential that the cylindrical first axis and the third cylindrical screens SCR11 to SCR13 coincide with each other, and there may be some deviations.

Moreover, in the image display system shown in FIG. 11, three projectors PJ1, PJ2, and PJ3 are provided so that the cylindrical screen apparatus 100 may be enclosed.

As the screen device of the image display system according to the fourth embodiment is used with the films 101, 101, ... having slits S, a person projects the cylindrical screen device 100 onto each of the projectors PJ1, PJ2, and PJ3. You can exit along the direction.

In the image display system according to the fourth embodiment, since the image is projected by the projectors PJ1, PJ2, and PJ3 from various angles on the screen device 100, a three-dimensional image can be expressed. A use method other than the related image display system is also possible.

For example, the use method of providing the image display system which concerns on Embodiment 4 in the center hall of a large-scale building, such as an airport, etc. and projecting the image of various kinds of guide displays from projector PJ1, PJ2, PJ3 is also possible. In addition, by providing the image display system according to the fourth embodiment in an event venue or showroom, a novel directing effect that has not been available so far can be obtained.

Moreover, as a modification of the image display system which concerns on Embodiment 4, it is also considered to make a loop a polygon. That is, when the screen device 100 is viewed from above, the films 101, 101,... Are arranged to form a plurality of polygons, and the plurality of polygons are arranged to form a plurality of layers.

12 is a diagram illustrating a modification of the image display system according to the fourth embodiment. 12 is a plan view of the image display system viewed from above in the same manner as FIG. 3B used in the description of the image display system according to the first embodiment. In addition, in FIG. 12, the whole structure containing the support apparatus 110 etc. can be considered as FIG.

In the screen device 100 of the image display system shown in FIG. 12, when the screen device 100 is viewed from above, three polygons sharing a center are formed. Therefore, the screen device 100 of the image display system shown in FIG. 12 is comprised by the screen of three polygonal prism shapes. In addition, these three polygonal prism-shaped screens are called 1st polygonal prism screen SCR21, 2nd polygonal prism screen SCR22, and 3rd polygonal prism screen SCR23 from a center side.

Moreover, as the film | membrane which comprises the 1st-3rd polygonal prism screens SCR21-SCR23, the film | membrane 101 used by the screen apparatus 100 of the image display system which concerns on Embodiment 1 (101, 101 ...) (FIG. 3). Reference), the films 101, 101, ... (see FIG. 8) provided with the slit S used in the screen device 100 of the image display system according to the second embodiment, and the screen of the image display system according to the third embodiment. Any of the small book-shaped films 101, 101,... (See FIG. 10) used in the apparatus 100 may be used. In FIG. 12, the small book-shaped films 101, 101,... ) (See FIG. 10) is used.

12A shows the width direction of each film of the small book-shaped films 101 and 101 in all of the first to third polygonal prism screens SCR21 to SCR23 when the screen device 100 is viewed from above. It is an example in which a polygon is formed in which one side of the length (the length in the y-axis direction in FIG. 10) is formed.

12B, when the screen device 100 is viewed from above, in the first polygonal prism screen SCR21, a polygon is formed with one side of the widthwise length of the small book-shaped film 101 as one side. In the second polygonal prism screen SCR22, a polygon is formed in which the widthwise length of two sheets of the small book-shaped film 101 is defined as one side, and in the third polygonal prism screen SCR23, a small booklet-shaped It is an example in which a polygon is formed in which the widthwise length of the film 101 is one side.

In addition, although the hexagon was illustrated as a polygon in FIG. 12, it is not limited to a hexagon. In addition, in FIG. 12, although each polygon is arrange | positioned sharing a center, the center of each polygon may have a some shift | deviation. The number of films constituting the first to third polygonal prism screens SCR21 to SCR23 is not limited to the example of FIG. 12 and can be appropriately changed depending on the scale of the entire screen device 100.

And even when the screen apparatus 100 is made into the shape as shown to FIG. 12A, 12B, three projectors PJ1, PJ2, PJ3 are provided so that the screen apparatus 100 may be enclosed.

Even if the screen device 100 is configured as shown in FIG. 12, a three-dimensional image can be expressed in the same manner as the screen device shown in FIG. 11.

In the image display system according to the fourth embodiment shown in FIGS. 11 and 12, the case where three projectors PJ1, PJ2, and PJ3 are arranged to surround the screen device 100 is illustrated. In addition, in the first to third embodiments, the two projectors PJ1 and PJ2 may be provided so as to face each other with the screen device 100 interposed therebetween.

[Embodiment 5]

The image display system according to the fifth embodiment configures the screen device by arranging the films 101, 101, ... in a lattice shape.

13 is a diagram schematically illustrating a configuration of an image display system according to the fifth embodiment. FIG. 13 is a plan view of the screen device 100 viewed from above in the same manner as FIG. 3B used in the description of the image display system according to the first embodiment, and the overall configuration including the support device 110 and the like is considered to be FIG. Can be.

In the image display system according to the fifth embodiment, the screen device 100 has a configuration in which the films 101, 101, ... are arranged in a lattice shape as shown in FIG. In the screen device 100 configured as described above, four projectors PJ1 to PJ4 are provided so that projection of an image from four directions is possible. In addition, in the image display system shown in FIG. 13, the number of projectors and the method of installing the projector can be changed as appropriate depending on the scale of the screen device or the like.

According to the image display system according to the fifth embodiment, the image can be displayed on each of the four surfaces of the screen device 100 by projecting the image from the four directions to the screen device 100. A display method of an image different from a conventional flat screen device is possible, and a display method of an image different from the screen device of a cylindrical screen device or a polygonal prism is also possible.

In addition, this invention is not limited to each embodiment mentioned above, A various deformation | transformation is possible as shown to following (1)-(3) in the range which does not deviate from the summary of this invention.

(1) In the image display system according to the above-described embodiments, two or more projectors are provided on one side and the other side of the screen apparatus 100, and the films 101 and 101 of the screen apparatus 100 are provided. Stacking to display one image by performing tie ring projection to display images from two or more projectors in a row on each membrane surface 101a of the ..., or by polymerizing images from two or more projectors. ) You can also project.

For example, in the example of FIG. 3, it is considered to install two projectors on each of the projectors PJ1 side and PJ2 side, and perform tiling or stacking projection by two projectors on each side.

(2) Arrangement of the film is not limited to the above-described embodiments, and various arrangement examples are considered as shown in FIG. 14. 14A shows an example of suspending a plurality of membranes 101, 101,... From the ceiling about the height of an adult having a normal back height, and FIG. 14B shows a position higher than the height of an adult's head having a normal back height. A plurality of films (101, 101, ...) are shown hanging from the ceiling.

(3) In each of the above-described embodiments, the films 101, 101, ... have been described as examples in which the respective film surfaces 101a are parallel to each other. However, the films 101, 101, ... are not necessarily parallel and have a predetermined angle. May be opposed to Moreover, the space | interval of each film surface 101a does not need to be constant, either, It can set arbitrarily. In addition, the number of films | membrane which comprises the screen apparatus 100 can set the appropriate number of sheets according to the installation place and use of an image display system.

1 is a diagram illustrating a configuration of an image display system according to the first embodiment.

2 is a diagram schematically showing the configuration of projectors PJ1 and PJ2.

3 is a diagram schematically showing a configuration of an image display system according to a second embodiment.

4 is a diagram schematically showing a state in which projection is performed on the screen device 100 by two projectors PJ1 and PJ2.

Fig. 5 is a diagram showing examples of installation positions of the projectors PJ1 and PJ2 in consideration of the effect on the human eye.

Fig. 6 is a diagram showing a usage example (part 1) of the image display system according to the first embodiment.

Fig. 7 is a diagram showing a usage example (part 2) of the image display system according to the first embodiment.

8 is a diagram schematically showing a configuration of an image display system according to a second embodiment.

9 is a diagram showing an example of use of the image display system according to the second embodiment.

10 is a diagram schematically showing a configuration of an image display system according to a third embodiment.

11 is a diagram schematically showing a configuration of an image display system according to a fourth embodiment.

FIG. 12 is a diagram illustrating a case where the screen device is a polygonal prism shape as a modification of the image display system according to the fourth embodiment. FIG.

13 is a diagram schematically showing a configuration of an image display system according to a fifth embodiment.

14 is a diagram schematically showing another example of use of the image display system of the present invention.

<Description of the code>

100 screen device,

101 ...

101a ...

110 support device,

S ... slit,

PJ1, PJ2, PJ3 ... projector,

SCR11 to SCR13 ... first to third cylindrical screens,

SCR21 to SCR23 ... first to third polygon prism screen

Claims (12)

With a projector, Having a screen device for displaying a projection image projected from the projector, The screen device A plurality of light diffusing means having light transmittance for transmitting light and light diffusing property for diffusing light, wherein the projection image transmitted by the first light diffusing means of the plurality of light diffusing means is used as the second light diffusing means An image display system characterized by spreading. The method according to claim 1, And a plurality of projectors are arranged to project images from different directions with respect to the screen device. The method according to claim 2, When the projector is installed opposite to one side and the other side with the screen device in between, the projector installed on the other side projects a mirror image of the projected image projected from the projector on one side. Image display system. The method according to any one of claims 1 to 3, The light diffusing means is an image display system, characterized in that a cloth that can be swinged by an external force is used. The method according to any one of claims 1 to 3, And the light diffusing means has at least one slit. The method according to any one of claims 1 to 3, And the light diffusing means is arranged so that the light transmitting surface and the light diffusing surface of adjacent light diffusing means face each other along the projection direction of the projector. The method according to any one of claims 1 to 3, And the light diffusing means is arranged to form a plurality of loops when the screen device is viewed from above, and the plurality of loops are arranged to form a plurality of layers. The method according to claim 7, And said loop is circular. The method according to claim 7, And said loop is a polygon. The method according to any one of claims 1 to 3, And the light diffusing means is arranged in a lattice shape when the screen device is viewed from above. An image display method for displaying a projection image projected from a projector, A plurality of light diffusing means having light transmittance for transmitting light and light diffusing property for diffusing light, and the projection image transmitted by the first light diffusing means among the plurality of light diffusing means is used as the second light diffusing means. And displaying the projected image on a spreading screen device. A screen device that displays a projection image projected from a projector, A plurality of light diffusing means having light transmittance for transmitting light and light diffusing property for diffusing light, and the projection image transmitted by the first light diffusing means among the plurality of light diffusing means is used as the second light diffusing means. Screen device characterized in that the diffusion.

Images