U.S. patent application number 15/007846 was filed with the patent office on 2016-05-19 for multi-projection system using interior surface as projection surface.
The applicant listed for this patent is CJ CGV CO., LTD.. Invention is credited to Su Ryeon KANG, Hwan Chul KIM.
Application Number | 20160139499 15/007846 |
Document ID | / |
Family ID | 52582786 |
Filed Date | 2016-05-19 |
United States Patent
Application |
20160139499 |
Kind Code |
A1 |
KIM; Hwan Chul ; et
al. |
May 19, 2016 |
MULTI-PROJECTION SYSTEM USING INTERIOR SURFACE AS PROJECTION
SURFACE
Abstract
The present invention provides a multi-projection system using
an interior surface as a projection surface, the system including a
screen installed in a single theater, a plurality of interior
surfaces arranged around the screen, and two or more projection
devices for projecting synchronized images on the screen and the
interior surfaces.
Inventors: |
KIM; Hwan Chul; (Seoul,
KR) ; KANG; Su Ryeon; (Goyang-si, KR) |
|
Applicant: |
Name |
City |
State |
Country |
Type |
CJ CGV CO., LTD. |
Seoul |
|
KR |
|
|
Family ID: |
52582786 |
Appl. No.: |
15/007846 |
Filed: |
January 27, 2016 |
Related U.S. Patent Documents
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Application
Number |
Filing Date |
Patent Number |
|
|
14219683 |
Mar 19, 2014 |
9268206 |
|
|
15007846 |
|
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Current U.S.
Class: |
352/70 |
Current CPC
Class: |
G03B 21/60 20130101;
A63J 25/00 20130101; H04N 9/3182 20130101; H04N 9/3188 20130101;
H04N 9/3147 20130101; H04N 9/31 20130101; H04N 9/3185 20130101;
G03B 21/606 20130101; G03B 37/04 20130101; G03B 35/20 20130101 |
International
Class: |
G03B 37/04 20060101
G03B037/04; H04N 9/31 20060101 H04N009/31; G03B 21/606 20060101
G03B021/606 |
Foreign Application Data
Date |
Code |
Application Number |
Sep 3, 2013 |
KR |
10-2013-0105278 |
Claims
1. A multi-projection system comprising: a screen installed in a
single theater; a plurality of interior surfaces arranged around
the screen; and two or more projection devices for projecting
synchronized images on the screen and the interior surfaces.
2. The multi-projection system of claim 1, wherein the interior
surface is a wall surface, a floor surface, or a ceiling
surface.
3. The multi-projection system of claim 1, wherein the interior
surface comprises a coating layer for improving optical
properties.
4. The multi-projection system of claim 3, wherein the coating
layer improves polarization properties, scattering properties, or
reflectance properties of the interior surface.
5. The multi-projection system of claim 3, wherein the coating
layer is formed by applying a paint for improving optical
properties on the interior surface.
6. The multi-projection system of claim 5, wherein the paint
comprises: optical particles for improving optical properties; and
a fluid serving as a carrier for the optical particles.
7. The multi-projection system of claim 6, wherein the optical
particles are formed by cutting or pulverizing an optical substrate
including a metal layer or a dielectric layer.
8. The multi-projection system of claim 3, wherein the interior
surface comprises a sound insulating member layer, and the coating
layer is formed on the sound insulating member layer.
9. (canceled)
10. The multi-projection system of claim 3, wherein the coating
layer comprises a color area displayed in gradation around the
boundary between the screen and the interior surface.
11. The multi-projection system of claim 1, further comprising a
management device for controlling the operation of the two or more
projection devices.
12. The multi-projection system of claim 11, wherein the management
device corrects the images projected by the two or more projection
devices and then transmits the corrected images to the two or more
projection devices.
13. The multi-projection system of claim 12, wherein the management
device corrects the images projected by the two or more projection
devices so as to offset relative differences in properties between
the screen and the interior surfaces.
Description
TECHNICAL FIELD
[0001] The present invention relates to a multi-projection system
using an interior surface as a projection surface and, more
particularly, to a multi-projection system in which a portion of a
plurality of projection surfaces required for multi-projection is
implemented with an interior surface (e.g., a wall surface, floor
surface, ceiling surface, etc.).
BACKGROUND ART
[0002] Conventionally, in order to reproduce images such as movies,
advertisements, etc., two-dimensional images are projected on a
single screen arranged in front of a theater. However, audiences
can only watch two-dimensional (2D) images under such a system.
[0003] Three-dimensional (3D) image technologies for providing
audiences with 3D images have recently been developed. 3D image
technologies use the principle of allowing an audience to feel the
3D effect even from a flat image when different images are
presented to the left and right eyes of the audience and combined
in the brain. In detail, two cameras equipped with different
polarizing filters are used during filming, and the audience wears
glasses with polarizing filters such that different images are
presented to the left and right eyes during watching.
[0004] However, while these 3D technologies can provide audiences
with 3D images, the audiences just watch the images reproduced on a
single screen, which may reduce the degree of involvement in the
images. Moreover, the direction of the 3D effect that the audiences
feel is limited to the direction of the single screen.
[0005] Furthermore, according to the conventional 3D technologies,
the audiences must wear the glasses equipped with polarizing
filters during watching, which may make the audiences feel
inconvenient, and different images are artificially presented to
the left and right eyes, which may make some sensitive audiences
feel dizzy or nausea.
[0006] Therefore, a so-called "multi-projection system" which can
solve the problems of the conventional projection systems based on
the single screen has been proposed. The "multi-projection system"
refers to a technology in which a plurality of projection surfaces
are arranged around audience seats such that synchronized images
are reproduced on the plurality of projection surfaces, thus
providing audiences with the three-dimensional effect and
immersion.
[0007] Meanwhile, the plurality of projection surfaces are
necessarily required to implement the "the multi-projection
system". Therefore, it is necessary to install an additional screen
so as to construct the "the multi-projection system" in a
conventional theater having only the single screen.
[0008] However, it is not easy to install the additional screen in
the theater that has already been completed, and small and large
constructions are required. Moreover, it may be impossible to
install the additional screen due to the nature of the internal
structure of some specific theaters.
[0009] Therefore, there is a need to develop a technology that can
construct the multi-projection system without changing the
structure of the conventional theater having only the single screen
(without installing any additional screen).
DISCLOSURE OF INVENTION
Technical Problem
[0010] An object of the present invention is to provide a
multi-projection system which can be constructed using the
structure of a conventional theater having only a single screen as
it is.
[0011] That is, an object of the present invention is to provide a
multi-projection system which can be constructed without remodeling
a conventional theater.
Solution to Problem
[0012] To achieve the above object, a multi-projection system in
accordance with an embodiment of the present invention may
comprise: a screen installed in a single theater; a plurality of
interior surfaces arranged around the screen; and two or more
projection devices for projecting synchronized images on the screen
and the interior surfaces.
[0013] Here, the interior surface may be a wall surface, a floor
surface, or a ceiling surface.
[0014] The interior surface may comprise a coating layer for
improving optical properties.
[0015] The coating layer may improve polarization properties,
scattering properties, or reflectance properties of the interior
surface.
[0016] The coating layer may be formed by applying a paint for
improving optical properties on the interior surface.
[0017] The paint may comprise: optical particles for improving
optical properties; and a fluid serving as a carrier for the
optical particles.
[0018] The optical particles may be formed by cutting or
pulverizing an optical substrate including a metal layer or a
dielectric layer.
[0019] The interior surface may comprise a sound insulating member
layer, and the coating layer is formed on the sound insulating
member layer.
[0020] The sound insulating member layer may comprise: a base layer
in which a sound absorbing material is filled; a plasterboard layer
formed on the base layer; a sound absorbing fabric layer formed on
the plasterboard layer; and a noncombustible material layer formed
on the sound absorbing fabric layer, and the coating layer may be
formed on the noncombustible material layer.
[0021] The coating layer may include a color area displayed in
gradation around the boundary between the screen and the interior
surface.
[0022] The multi-projection system may further comprise a
management device for controlling the operation of the two or more
projection devices.
[0023] The management device may correct the images projected by
the two or more projection devices and then transmit the corrected
images to the two or more projection devices.
[0024] The management device may correct the images projected by
the two or more projection devices so as to offset relative
differences in properties between the screen and the interior
surfaces.
Advantageous Effects of Invention
[0025] The present invention can implement a multi-projection
system without installing an additional screen in a conventional
theater having only a single screen. Specifically, a portion of a
plurality of projection surfaces required for the multi-projection
system can be implemented with an interior surface (e.g., a wall
surface, floor surface, ceiling surface, etc.), and thus there is
no need to install the additional screen.
[0026] Moreover, the present invention can improve optical
properties of the interior surface by providing a coating layer on
each of the interior surfaces (e.g., the wall surface, floor
surface, ceiling surface, etc.) arranged around the screen.
Specifically, the present invention can improve the optical
properties of the interior surface with the coating layer, thus
reducing the heterogeneity between the image reproduced on the
interior surface and the image reproduced on the screen.
[0027] Furthermore, according to the present invention, the coating
layer includes a color area displayed in gradation around the
boundary between the screen and the interior surface, thus
preventing the heterogeneity of the images that may be caused
around the boundary.
[0028] In addition, the present invention can correct the images
projected by the respective projection devices based on the
relative differences in properties between the screen and the
interior surface (e.g., a wall surface, floor surface, ceiling
surface, etc.). Specifically, the present invention can analyze the
relative differences in properties (such as color, reflectance,
brightness, etc.) between the screen and the interior surface and
correct the images to offset the analyzed differences in
properties, thus reducing the heterogeneity between the image
reproduced on the interior surface and the image reproduced on the
screen.
BRIEF DESCRIPTION OF DRAWINGS
[0029] FIG. 1 is a conceptual diagram showing a theater according
to the present invention.
[0030] FIG. 2 is a cross-sectional view showing the structure of an
interior surface according to the present invention.
[0031] FIG. 3 is a conceptual diagram showing a process of forming
a coating layer according to the present invention.
[0032] FIG. 4 is a cross-sectional view more specifically showing
the structure of the interior surface according to the present
invention.
[0033] FIGS. 5 to 7 are diagrams showing examples of a
multi-projection system implemented in a theater according to the
present invention.
[0034] FIG. 8 is a conceptual diagram showing an example in which a
coating layer according to the present invention includes a color
area displayed in gradation.
[0035] FIG. 9 is a diagram showing the configuration of a
multi-projection system according to the present invention.
MODE FOR THE INVENTION
[0036] Hereinafter, a multi-projection system according to the
present invention will be described in detail with reference to the
accompanying drawings. The following embodiments are provided only
for illustrative purposes so that those skilled in the art can
fully understand the spirit of the present invention, but the
present invention is not limited thereby. Moreover, it is to be
understood that all matters herein set forth in the accompanying
drawings are to be interpreted as illustrative and may be in
different forms from those actually implemented.
[0037] Next, a multi-projection system according to the present
invention will be described with reference to FIGS. 1 to 7.
[0038] Referring to FIG. 1, the multi-projection system according
to the present invention may comprise a screen 100 installed in a
single theater, a plurality of interior surfaces 200 arranged
around the screen 100, and two or more projection devices 400 for
projecting synchronized images on the screen 100 and the interior
surfaces 200.
[0039] The multi-projection system is characterized by a
multi-projection environment which is implemented using the single
screen 100 and the plurality of interior surfaces 200.
[0040] The screen 100 corresponds to a single projection surface in
a conventional projection system and serves as a main projection
surface in the multi-projection system of the present
invention.
[0041] The screen 100 may preferably be installed in front of
audience seats, on which the image projected by the projection
device 400 is displayed such that audiences can view the image.
[0042] Meanwhile, the screen 100 may be made of various materials
such as paper, fiber, plastic, etc. in various sizes depending on
the size of the theater. Moreover, the screen 100 may preferably be
made in white color and may also be made in various colors.
[0043] The plurality of interior surfaces 200 refer to structural
surfaces located around the screen 100 in the theater. For example,
each of the plurality of interior surfaces 200 may be a wall
surface, a floor surface, or a ceiling surface.
[0044] The plurality of interior surfaces 200 serve as projection
surfaces. Specifically, the plurality of interior surfaces 200
serve as a plurality of projection surfaces for implementing the
multi-projection system. Therefore, the two or more projection
devices 400 may be installed to face the plurality of interior
surfaces 200, and the images projected by the two or more
projection devices 400 can be displayed on the interior surfaces
200 and provided to the audiences.
[0045] Meanwhile, the plurality of interior surfaces 200 are not
configured to serve as the projection surface, and thus their
optical properties are not good. Specifically, the plurality of
interior surfaces 200 are generally uneven, dark in color, and
composed of a sound insulating member or sound absorbing material,
and thus their optical properties such as reflectance properties,
polarization properties, scattering properties, etc. are not good.
As a result, when the images are projected on the plurality of
interior surfaces 200 as they are, unclear images may be
reproduced, and in particular, images that cause significant
heterogeneity, compared to the image reproduced on the screen 100,
may be represented. Therefore, it is necessary to improve the
optical properties of the plurality of interior surfaces 200.
[0046] Although there are various methods for improving the optical
properties of the plurality of interior surfaces 200, a method of
forming a coating layer 300 on the plurality of interior surfaces
200 may preferably be employed. Specifically, the coating layer 300
may be formed on the interior surfaces 200 to change their shapes
to a flat shape and change their material to a material that has
excellent optical properties (e.g., polarization properties,
reflectance properties, scattering properties, etc.).
[0047] Moreover, although the coating layer 300 may be formed by
various methods, it may preferably be formed by applying an optical
paint on the interior surface 200. Specifically, as shown in FIG.
2, the coating layer 300 may be formed by applying an optical paint
capable of improving the optical properties on the interior surface
200. Here, the optical paint may comprise various types or various
states of materials and may preferably comprise optical particles
320 for improving the optical properties and a fluid 310 that
serves as a carrier.
[0048] The optical particles 320 refer to particles contained in
the coating layer 300 to improve the optical properties. The
optical particles 320 may comprise various fine particles for
improving the optical properties such as, for example, metal
particles (e.g., aluminum) having excellent reflection properties,
dielectric particles (e.g., silicon particles, magnesium fluoride
particles, etc.) having excellent optical properties, etc.
Meanwhile, the optical particles 320 may be formed by cutting or
pulverizing an optical substrate including a metal layer (e.g., an
aluminum layer, etc.) or a dielectric layer (e.g., a silicon oxide
layer, etc.). That is, the optical particles 320 may be formed by
deforming the optical substrate including the metal layer or
dielectric layer by a physical method.
[0049] The fluid 310 serves as a carrier that allows the optical
particles 320 to be coated. The fluid 310 may comprise various
fluid materials and may preferably comprise PVC resin, enamel,
polyurethane, acrylic resin, lacquer, etc.
[0050] An example of forming the coating layer 300 on the interior
surface 200 will now be described with reference to FIG. 3. (1)
First, to form the optical particles 320 that will be contained in
the paint, the optical substrate including the metal layer or
dielectric layer is pulverized or cut by a physical method. Here,
the physical method may include various methods such as
pulverization or cutting using ultrasonic waves, grinding,
pulverization by jet mill, etc. (2) Then, the thus formed optical
particles 320 are mixed with the fluid 310 to prepare an optical
paint. (3) Next, the thus prepared optical paint is applied to the
interior surface 200 by painting or spraying, thus forming the
coating layer 300 on the interior surface 200.
[0051] Meanwhile, a specific example of the interior surface 200
will now be described with reference to FIG. 4. The interior
surface 200 may be formed into a structure that includes a
construction surface, a sound insulating member layer provided on
the construction surface, and a coating layer 300 formed on the
sound insulating member layer.
[0052] The construction surface is a structural surface that serves
as the basic framework of a building and may preferably be formed
of concrete.
[0053] The sound insulating member layer is a structural surface
that is provided for sound insulation on the construction surface.
Although the sound insulating member layer may be formed of a
single material or formed into a single layer, it may preferably be
formed into a multi-layered structure having various materials as
shown in FIG. 4. Referring to FIG. 4, the sound insulating member
layer may comprise a base layer 210, a plasterboard layer 220, a
sound absorbing fabric layer 230, and a noncombustible material
layer 240. (1) Here, the base layer 210 is a structure provided on
the construction surface and may preferably be composed of a stud
(framework) and a glass wool (sound absorbing material) filled in
the stud. (2) The plasterboard layer 220 is a structure provided on
the base layer 210 and is also used for the sound absorption.
Meanwhile, the plasterboard layer 220 may be connected to the base
layer 210 by various methods and may preferably be connected to the
base layer 210 by screw connection. (3) The sound absorbing fabric
layer 230 is a structure provided on the plasterboard layer 220 and
is also used for the sound absorption. The sound absorbing fabric
layer 230 may be composed of various sound absorbing fabrics such
as fabric, tectum, etc. and may preferably be connected to the
plasterboard layer 220 by molding. (4) The noncombustible material
layer 240 is a structure provided on the sound absorbing fabric
layer 230 and is used to protect the above-described layers and to
serve as a noncombustible material.
[0054] The coating layer 300 is formed on the noncombustible
material layer 240 and serves to improve the optical properties of
the surface of the noncombustible material layer 240. Specifically,
the coating layer 300 can change the surface structure of the
non-combustible material layer 240 to a flat structure and improve
the optical properties of the surface (e.g., reflectance
properties, polarization properties, scattering properties, etc.).
The specific features of the coating layer 300 have been described
above, and thus detailed description thereof will be omitted.
[0055] The two or more projection devices 400 project images on the
screen 100 and the plurality of interior surfaces 200. These
projection devices 400 may have a heating unit such as an optical
system, may project magnified images on the screen, and may be
implemented in various manners. For example, the projection devices
may be implemented in various ways, such as by using a cathode ray
tube (CRT), using a liquid crystal display (LCD), by digital light
processing (DLP) using a digital micromirror device (DMD) chip, by
liquid crystal on silicon (LCoS), etc.
[0056] Moreover, the two or more projection devices 400 may project
synchronized and unified images on the screen 100 and the plurality
of interior surfaces 200. Therefore, the audiences can recognize
synchronized images, projected by the two or more projection
devices 400, in various directions of the screen 100 and the
interior surfaces 200, thus improving the three-dimensional effect
and immersion that the audiences feel from the images.
[0057] Meanwhile, the two or more projection devices 400 may be
selectively operated.
[0058] Through the selective operation, (1) the synchronized images
may be projected on the screen 100 and the plurality of interior
surfaces 200 together; (2) the synchronized images may be projected
on the screen 100 and a portion of the plurality of interior
surfaces 200; or (3) the synchronized images may be projected on
the screen 100 only. Moreover, the projection operations may be
performed alternately to provide a dynamic visual effect.
[0059] Referring to FIGS. 5 to 7, there are various examples of the
multi-projection system.
[0060] First, FIG. 5 shows an example of the multi-projection
system in which the screen 100, the left wall surface, and the
right wall surface are used as the projection surfaces.
[0061] Moreover, FIG. 6 shows an example of the multi-projection
system in which the screen 100, the left wall surface, the right
wall surface, and the ceiling surface are used as the projection
surfaces.
[0062] Furthermore, FIG. 7 shows an example of the multi-projection
system in which the screen 100, the left wall surface, the right
wall surface, the ceiling surface, and the floor surface are used
as the projection surfaces.
[0063] Next, a multi-projection system in accordance with another
embodiment of the present invention will be described with
reference to FIG. 8.
[0064] Referring to FIG. 8, according to the multi-projection
system in accordance with another embodiment of the present
invention, the coating layer 300 may display colors in some areas
of the interior surfaces 200. Specifically, the coating layer 300
may display colors including coloring pigments in some areas of the
interior surfaces 200.
[0065] Here, it is preferable that the area in which the colors are
displayed is around the boundary between the screen 100 and the
interior surface 200.
[0066] Moreover, it is preferable that the coating layer 300
displays the colors in gradation around the boundary between the
screen 100 and the interior surface 200 as shown in FIG. 8.
[0067] Furthermore, it is preferable that the coating layer 300
displays the colors between the screen 100 and the interior surface
200 in gradation. For example, when the color of the screen 100 is
white and that of the interior surfaces 200 is black, it is
preferable that the collating layer 300 displays the colors between
white and black in gradation.
[0068] Therefore, the change in the colors around the boundary
between the screen 100 and the interior surface 200 can be reduced
by the display of the colors in gradation, thus preventing the
heterogeneity of the images that may be caused by the rapid change
in the colors.
[0069] Next, a multi-projection system in accordance with still
another embodiment of the present invention will be described with
reference to FIG. 9.
[0070] Referring to FIG. 9, the multi-projection system according
to the present invention may further comprise a management device
500.
[0071] The management device 500 controls the two or more
projection devices 400. The management device 500 may be connected
in parallel to the two or more projection devices 400 to control
the respective projection devices 400 either simultaneously or
individually.
[0072] Moreover, the management device 500 may manage the images
projected by the two or more projection devices 400. Specifically,
the management device 500 may generally control the images
projected by the two or more projection devices 400. The management
device 500 may determine an image that will be projected by each
projection device 400 and transmit the determined images to the
respective projection devices 400. Here, the management device 500
may manage the images projected by the two or more projection
devices 400 in various ways such as (1) storing the images to be
projected by the respective projection devices 400 previously in a
database and transmitting the stored images to the respective
projection devices 400, (2) generating the images that will be
projected by the respective projection devices 400 in real time and
transmitting the generated images to the respective projection
devices 400, (3) receiving the images that will be projected by the
respective projection devices 400 from the outside (through a
communication network) in real time and transmitting the received
images to the respective projection devices 400, etc.
[0073] Furthermore, the management device 500 may correct the
images projected by the respective projection devices 400 based on
relative differences in properties between the screen 100 and the
interior surfaces 200 (e.g., the wall surface, floor surface,
ceiling surface, etc.). Specifically, the management device 500 may
analyze a relative difference in reflectance, a relative difference
in brightness, a relative difference in chromaticity, etc. between
the screen 100 and the interior surface 200 and correct the images
projected by the respective projection devices 400 to offset the
differences in properties. For example, when the brightness of a
specific interior surface 200 is higher than that of the screen
100, the management device 500 may reduce the brightness of the
image projected on the specific interior surface 200, thus
offsetting the relative difference in brightness. Moreover, when
the chromaticity of a specific interior surface 200 is lower than
that of the screen 100, the management device 500 may increase the
chromaticity of the image projected on the specific interior
surface 200, thus offsetting the relative difference in
chromaticity. Furthermore, when the reflectance of a specific
interior surface 200 is higher than that of the screen 100, the
management device 500 may reduce the brightness of the image
projected on the specific interior surface 200, thus offsetting the
relative difference in reflectance. Therefore, the management
device 500 can prevent the heterogeneity of the images that may be
caused by the projection surfaces of different types by correcting
the images based on the differences in properties between the
screen 100 and the interior surfaces 200.
[0074] Moreover, the management device 500 may control the two or
more projection devices 400 to project synchronized images.
Specifically, the management device 500 may synchronize the
projection operations of the two or more projection devices 400 by
transmitting a synchronization signal including time information to
each projection device 400.
[0075] Meanwhile, the management device 500 may perform the
function of generally managing the multi-projection system.
Specifically, the management device 500 may manage a variety of
information for implementing the multi-projection system and
control the operation of various devices that may be contained in
the system. The management device 500 may be implemented with
various electronic devices. The management device 500 may be
implemented with a single electronic device or with several
electronic devices interconnected to each other. For example, the
management device 500 may be implemented in a single server or in
such a manner that two or more servers are interconnected.
Moreover, the management device 500 may be implemented in such a
manner that a server and other electronic devices are
inter-connected or implemented in arithmetic units other than the
server.
[0076] Moreover, the management device 500 may transmit and receive
information to and from various devices through various
communication networks (wired or wireless) and various protocols
and manage the multi-projection system using the transmitted and
received information.
[0077] The invention has been described in detail with reference to
preferred embodiments thereof. However, it will be appreciated by
those skilled in the art that changes may be made in these
embodiments without departing from the principles and spirit of the
invention, the scope of which is defined in the appended claims and
their equivalents.
* * * * *